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AI models

openai

GPT-5

AI model Released Aug 7, 2025

API mode: Chat^*
Context window: 400,000 tokens
Maximum output: 128,000 tokens
Open weights: No

Capability & preference

General capability · ECI

A cross-benchmark capability estimate. Index points, not a percentage; intervals show uncertainty.

GPT-5 150.0^* GPT-5

Human preference · Arena

Overall text preferences from head-to-head votes. Not factual accuracy or a task-success rate.

GPT-5 1406.2 GPT-5 (High) · 95% interval 1401.7–1410.6 · 31,718 votes · 2026-10-28

Model performance

Radar task score: four tests, equal weight. An experimental summary of these tasks, not a universal intelligence rating.

GPT-5

Tested configuration Radar task score

Unrated

Older results · no current score

7 benchmark results for this configuration

Scientific reasoning

GPQA Diamond · 25%

Expert-written science questions; strict multiple-choice scoring. Chance accuracy is 25%.

GPT-5 86.2^*% Approx. 95% interval: 82.1–90.2% · 2025-10-29 · Older result

Novel problem solving

Mystery Game Puzzles · 25%

Best-next-move puzzles in an undisclosed game variant. A narrow reasoning test, not general intelligence.

GPT-5 23.0^*% Approx. 95% interval: 14.7–31.3% · 2026-08-05

Advanced mathematics

FrontierMath Tiers 1-3 · 25%

Private v2 mathematics problems with Python tools. Earlier versions and Tier 4 are excluded.

GPT-5 55.4^*% Approx. 95% interval: 49.7–61.2% · 2026-06-10

Factual answers

SimpleQA Verified · 25%

Correct factual answers under a guessing prompt, graded by a model. Not a hallucination or abstention score.

GPT-5 50.1^*% Approx. 95% interval: 47.0–53.2% · 2026-08-27

End-to-end software

MirrorCode · Separate result

Whole-program reimplementation with hidden tests; ML + Private, two languages. Budget: seven days and ten billion tokens per attempt.

GPT-5 4.4^*% Approx. 95% interval: 0.0–11.2% · 2026-10-21

Competition mathematics

OTIS Mock AIME 2024-2025 · Separate result

Competition problems with model-extracted answers checked against an exact key. Earlier grading procedures are excluded.

GPT-5 91.4^*% Approx. 95% interval: 84.2–98.6% · 2025-10-29 · Older result

Research mathematics

FrontierMath Tier 4 v2 · Separate result

The hardest private FrontierMath problems, corrected v2 set, with Python tools. Separate from Tiers 1-3 in the core score.

GPT-5 22.0^*% Approx. 95% interval: 9.1–34.8% · 2026-06-11

Bars show reported task scores. Whiskers are approximate 95% intervals where standard errors are available. Different reasoning budgets are not equal-cost tests. Missing results are never zero.

Recorded results

Only the same benchmark, version, workload, scenario and unit share a row. Missing results are not zero. System results include the full submitted hardware and software configuration.

Test version

Arena text preference / chinesehuman preference · 2026-10-28 · rating

GPT-5

1,421.66 rating

Confidence interval: 1,408.77 – 1,434.55

2245 votes

Oct 28, 2026

Category: chinese
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / codinghuman preference · 2026-10-28 · rating

GPT-5

1,435.85 rating

Confidence interval: 1,427.95 – 1,443.75

6395 votes

Oct 28, 2026

Category: coding
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / creative_writinghuman preference · 2026-10-28 · rating

GPT-5

1,363.94 rating

Confidence interval: 1,354.45 – 1,373.43

4242 votes

Oct 28, 2026

Category: creative_writing
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / englishhuman preference · 2026-10-28 · rating

GPT-5

1,408.95 rating

Confidence interval: 1,403.11 – 1,414.80

13601 votes

Oct 28, 2026

Category: english
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / exclude_tieshuman preference · 2026-10-28 · rating

GPT-5

1,386.94 rating

Confidence interval: 1,381.05 – 1,392.83

23422 votes

Oct 28, 2026

Category: exclude_ties
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / experthuman preference · 2026-10-28 · rating

GPT-5

1,418.98 rating

Confidence interval: 1,404.17 – 1,433.79

1695 votes

Oct 28, 2026

Category: expert
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / frenchhuman preference · 2026-10-28 · rating

GPT-5

1,408.06 rating

Confidence interval: 1,379.56 – 1,436.56

480 votes

Oct 28, 2026

Category: french
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / germanhuman preference · 2026-10-28 · rating

GPT-5

1,415.92 rating

Confidence interval: 1,393.68 – 1,438.16

747 votes

Oct 28, 2026

Category: german
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / hard_promptshuman preference · 2026-10-28 · rating

GPT-5

1,415.53 rating

Confidence interval: 1,409.80 – 1,421.26

15058 votes

Oct 28, 2026

Category: hard_prompts
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / hard_prompts_englishhuman preference · 2026-10-28 · rating

GPT-5

1,419.36 rating

Confidence interval: 1,411.66 – 1,427.07

6656 votes

Oct 28, 2026

Category: hard_prompts_english
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / industry_business_and_management_and_financial_operationshuman preference · 2026-10-28 · rating

GPT-5

1,377.29 rating

Confidence interval: 1,368.90 – 1,385.67

5536 votes

Oct 28, 2026

Category: industry_business_and_management_and_financial_operations
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / industry_entertainment_and_sports_and_mediahuman preference · 2026-10-28 · rating

GPT-5

1,378.97 rating

Confidence interval: 1,370.89 – 1,387.06

5879 votes

Oct 28, 2026

Category: industry_entertainment_and_sports_and_media
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / industry_legal_and_governmenthuman preference · 2026-10-28 · rating

GPT-5

1,423.11 rating

Confidence interval: 1,409.06 – 1,437.15

1829 votes

Oct 28, 2026

Category: industry_legal_and_government
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / industry_life_and_physical_and_social_sciencehuman preference · 2026-10-28 · rating

GPT-5

1,402.79 rating

Confidence interval: 1,394.17 – 1,411.41

5134 votes

Oct 28, 2026

Category: industry_life_and_physical_and_social_science
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / industry_mathematicalhuman preference · 2026-10-28 · rating

GPT-5

1,404.52 rating

Confidence interval: 1,390.35 – 1,418.70

1767 votes

Oct 28, 2026

Category: industry_mathematical
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / industry_medicine_and_healthcarehuman preference · 2026-10-28 · rating

GPT-5

1,413.15 rating

Confidence interval: 1,398.60 – 1,427.70

1784 votes

Oct 28, 2026

Category: industry_medicine_and_healthcare
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / industry_software_and_it_serviceshuman preference · 2026-10-28 · rating

GPT-5

1,419.93 rating

Confidence interval: 1,413.52 – 1,426.34

10818 votes

Oct 28, 2026

Category: industry_software_and_it_services
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / industry_writing_and_literature_and_languagehuman preference · 2026-10-28 · rating

GPT-5

1,378.52 rating

Confidence interval: 1,371.03 – 1,386.01

7041 votes

Oct 28, 2026

Category: industry_writing_and_literature_and_language
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / instruction_followinghuman preference · 2026-10-28 · rating

GPT-5

1,388.30 rating

Confidence interval: 1,381.24 – 1,395.36

8376 votes

Oct 28, 2026

Category: instruction_following
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / japanesehuman preference · 2026-10-28 · rating

GPT-5

1,402.19 rating

Confidence interval: 1,380.88 – 1,423.51

915 votes

Oct 28, 2026

Category: japanese
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / koreanhuman preference · 2026-10-28 · rating

GPT-5

1,358.63 rating

Confidence interval: 1,337.10 – 1,380.15

852 votes

Oct 28, 2026

Category: korean
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / longer_queryhuman preference · 2026-10-28 · rating

GPT-5

1,387.20 rating

Confidence interval: 1,379.65 – 1,394.74

6999 votes

Oct 28, 2026

Category: longer_query
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / mathhuman preference · 2026-10-28 · rating

GPT-5

1,398.25 rating

Confidence interval: 1,384.57 – 1,411.93

1868 votes

Oct 28, 2026

Category: math
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / multi_turnhuman preference · 2026-10-28 · rating

GPT-5

1,399.09 rating

Confidence interval: 1,390.29 – 1,407.89

4961 votes

Oct 28, 2026

Category: multi_turn
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / non_englishhuman preference · 2026-10-28 · rating

GPT-5

1,396.97 rating

Confidence interval: 1,391.55 – 1,402.40

18084 votes

Oct 28, 2026

Category: non_english
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / overallhuman preference · 2026-10-28 · rating

GPT-5

1,406.15 rating

Confidence interval: 1,401.73 – 1,410.57

31718 votes

Oct 28, 2026

Category: overall
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / polishhuman preference · 2026-10-28 · rating

GPT-5

1,411.50 rating

Confidence interval: 1,397.16 – 1,425.85

1919 votes

Oct 28, 2026

Category: polish
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / russianhuman preference · 2026-10-28 · rating

GPT-5

1,402.48 rating

Confidence interval: 1,389.90 – 1,415.06

2164 votes

Oct 28, 2026

Category: russian
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / spanishhuman preference · 2026-10-28 · rating

GPT-5

1,388.01 rating

Confidence interval: 1,367.98 – 1,408.03

956 votes

Oct 28, 2026

Category: spanish
Evaluated configuration: GPT-5 (High)
Evaluation type: human preference

Arena text preference / chinesehuman preference · 2026-10-15 · rating

GPT-5

1,421.78 rating

Confidence interval: 1,408.89 – 1,434.68

2243 votes

Oct 15, 2026

Category: chinese
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / codinghuman preference · 2026-10-15 · rating

GPT-5

1,436.04 rating

Confidence interval: 1,428.14 – 1,443.93

6400 votes

Oct 15, 2026

Category: coding
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / creative_writinghuman preference · 2026-10-15 · rating

GPT-5

1,363.95 rating

Confidence interval: 1,354.46 – 1,373.43

4242 votes

Oct 15, 2026

Category: creative_writing
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / englishhuman preference · 2026-10-15 · rating

GPT-5

1,409.08 rating

Confidence interval: 1,403.24 – 1,414.93

13606 votes

Oct 15, 2026

Category: english
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / exclude_tieshuman preference · 2026-10-15 · rating

GPT-5

1,387.01 rating

Confidence interval: 1,381.12 – 1,392.90

23424 votes

Oct 15, 2026

Category: exclude_ties
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / experthuman preference · 2026-10-15 · rating

GPT-5

1,419.00 rating

Confidence interval: 1,404.19 – 1,433.81

1695 votes

Oct 15, 2026

Category: expert
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / frenchhuman preference · 2026-10-15 · rating

GPT-5

1,407.58 rating

Confidence interval: 1,379.08 – 1,436.09

480 votes

Oct 15, 2026

Category: french
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / germanhuman preference · 2026-10-15 · rating

GPT-5

1,416.35 rating

Confidence interval: 1,394.11 – 1,438.58

748 votes

Oct 15, 2026

Category: german
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / hard_promptshuman preference · 2026-10-15 · rating

GPT-5

1,415.44 rating

Confidence interval: 1,409.71 – 1,421.17

15057 votes

Oct 15, 2026

Category: hard_prompts
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / hard_prompts_englishhuman preference · 2026-10-15 · rating

GPT-5

1,419.40 rating

Confidence interval: 1,411.70 – 1,427.11

6658 votes

Oct 15, 2026

Category: hard_prompts_english
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / industry_business_and_management_and_financial_operationshuman preference · 2026-10-15 · rating

GPT-5

1,377.29 rating

Confidence interval: 1,368.91 – 1,385.68

5535 votes

Oct 15, 2026

Category: industry_business_and_management_and_financial_operations
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / industry_entertainment_and_sports_and_mediahuman preference · 2026-10-15 · rating

GPT-5

1,378.89 rating

Confidence interval: 1,370.80 – 1,386.97

5876 votes

Oct 15, 2026

Category: industry_entertainment_and_sports_and_media
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / industry_legal_and_governmenthuman preference · 2026-10-15 · rating

GPT-5

1,423.06 rating

Confidence interval: 1,409.02 – 1,437.10

1830 votes

Oct 15, 2026

Category: industry_legal_and_government
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / industry_life_and_physical_and_social_sciencehuman preference · 2026-10-15 · rating

GPT-5

1,402.63 rating

Confidence interval: 1,394.01 – 1,411.24

5133 votes

Oct 15, 2026

Category: industry_life_and_physical_and_social_science
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / industry_mathematicalhuman preference · 2026-10-15 · rating

GPT-5

1,404.55 rating

Confidence interval: 1,390.38 – 1,418.73

1767 votes

Oct 15, 2026

Category: industry_mathematical
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / industry_medicine_and_healthcarehuman preference · 2026-10-15 · rating

GPT-5

1,413.08 rating

Confidence interval: 1,398.53 – 1,427.63

1783 votes

Oct 15, 2026

Category: industry_medicine_and_healthcare
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / industry_software_and_it_serviceshuman preference · 2026-10-15 · rating

GPT-5

1,420.13 rating

Confidence interval: 1,413.72 – 1,426.54

10822 votes

Oct 15, 2026

Category: industry_software_and_it_services
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / industry_writing_and_literature_and_languagehuman preference · 2026-10-15 · rating

GPT-5

1,378.65 rating

Confidence interval: 1,371.16 – 1,386.14

7039 votes

Oct 15, 2026

Category: industry_writing_and_literature_and_language
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / instruction_followinghuman preference · 2026-10-15 · rating

GPT-5

1,388.01 rating

Confidence interval: 1,380.95 – 1,395.07

8373 votes

Oct 15, 2026

Category: instruction_following
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / japanesehuman preference · 2026-10-15 · rating

GPT-5

1,401.60 rating

Confidence interval: 1,380.31 – 1,422.89

914 votes

Oct 15, 2026

Category: japanese
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / koreanhuman preference · 2026-10-15 · rating

GPT-5

1,357.37 rating

Confidence interval: 1,335.81 – 1,378.93

850 votes

Oct 15, 2026

Category: korean
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / longer_queryhuman preference · 2026-10-15 · rating

GPT-5

1,387.13 rating

Confidence interval: 1,379.58 – 1,394.68

6999 votes

Oct 15, 2026

Category: longer_query
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / mathhuman preference · 2026-10-15 · rating

GPT-5

1,398.46 rating

Confidence interval: 1,384.79 – 1,412.13

1870 votes

Oct 15, 2026

Category: math
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / multi_turnhuman preference · 2026-10-15 · rating

GPT-5

1,399.04 rating

Confidence interval: 1,390.24 – 1,407.84

4963 votes

Oct 15, 2026

Category: multi_turn
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / non_englishhuman preference · 2026-10-15 · rating

GPT-5

1,396.93 rating

Confidence interval: 1,391.51 – 1,402.35

18083 votes

Oct 15, 2026

Category: non_english
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / overallhuman preference · 2026-10-15 · rating

GPT-5

1,406.18 rating

Confidence interval: 1,401.76 – 1,410.60

31722 votes

Oct 15, 2026

Category: overall
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / polishhuman preference · 2026-10-15 · rating

GPT-5

1,411.55 rating

Confidence interval: 1,397.20 – 1,425.89

1919 votes

Oct 15, 2026

Category: polish
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / russianhuman preference · 2026-10-15 · rating

GPT-5

1,401.86 rating

Confidence interval: 1,389.28 – 1,414.45

2164 votes

Oct 15, 2026

Category: russian
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Arena text preference / spanishhuman preference · 2026-10-15 · rating

GPT-5

1,387.56 rating

Confidence interval: 1,367.52 – 1,407.60

955 votes

Oct 15, 2026

Category: spanish
Evaluated configuration: gpt-5-high
Evaluation type: human preference

Run it locally

Inference · memory estimate

GPT-5

Closed weights. No supported local deployment or GPU requirement is published.

API cost

USD / month

Input tokens / monthOutput tokens / month

Standard text-token estimate. Excludes taxes, caching, batch discounts, reasoning and multimodal surcharges. Provider limits and regional availability may differ.

GPT-5

Provider offer

GPT-5 / Pricing tiers 4

Provider / scope	Rate	Currency	Amount / unit
OpenAIgpt-5Batch	Cached input	USD	0.0625 / 1M tokens
	Input	USD	0.625 / 1M tokens
	Output	USD	5 / 1M tokens
OpenAIgpt-5Flex	Cached input	USD	0.0625 / 1M tokens
	Input	USD	0.625 / 1M tokens
	Output	USD	5 / 1M tokens
OpenAIgpt-5Priority	Cached input	USD	0.25 / 1M tokens
	Input	USD	2.5 / 1M tokens
	Output	USD	20 / 1M tokens
OpenAIgpt-5Standard	Cached input	USD	0.125 / 1M tokens
	Input	USD	1.25 / 1M tokens
	Output	USD	10 / 1M tokens

Capabilities

Context window: 400,000 tokens
Maximum input: 272,000 tokens^*
Maximum output: 128,000 tokens
Reasoning: Yes
Tool calling: Yes
Structured output: Yes^*
Open weights: No
Knowledge cutoff: 2024-09-30
API mode: Chat^*
Image input: Yes^*
PDF input: Yes^*
Parallel tool calls: Yes^*
Prompt caching: Yes^*
System messages: Yes^*
Tool choice: Yes^*
Web search: Yes^*
Model license: Proprietary

Input modalities

text
image

Output modalities

text

System configuration

Detailed specifications

Specifications · 35 fields

cache read input token cost

1.25e-7^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

cache read input token cost batches

6.25e-8^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

cache read input token cost flex

6.25e-8^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

cache read input token cost priority

2.5e-7^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

input cost per token

1.25e-6^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

input cost per token batches

6.25e-7^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

input cost per token flex

6.25e-7^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

input cost per token priority

2.5e-6^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

litellm provider

openai^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

max input tokens

272,000^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

max output tokens

128,000^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

max tokens

128,000^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

mode

chat^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

output cost per token

1.0e-5^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

output cost per token batches

5.0e-6^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

output cost per token flex

5.0e-6^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

output cost per token priority

2.0e-5^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

search context cost per query

search_context_size_high: 0.01^*
search_context_size_low: 0.01^*
search_context_size_medium: 0.01^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supported endpoints

/v1/chat/completions^*
/v1/batch^*
/v1/responses^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supported modalities

text^*
image^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supported output modalities

text^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supports function calling

Yes^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supports minimal reasoning effort

Yes^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supports native streaming

Yes^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supports none reasoning effort

No^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supports parallel function calling

Yes^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supports pdf input

Yes^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supports prompt caching

Yes^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supports reasoning

Yes^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supports response schema

Yes^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supports system messages

Yes^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supports tool choice

Yes^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supports vision

Yes^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supports web search

Yes^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

supports xhigh reasoning effort

No^*

Scope and conditions

native_context

provider: openai^*
mode: chat^*
full_native_model_id: gpt-5^*
pricing_scope: Literal source field names and values retained; provider, region, cache/batch/threshold conditions and per-unit meaning must be checked. max_tokens is not automatically a context limit.^*

* Provisional data