GeekRadar / The comparison desk

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AI models

openai

o3-pro

AI model Released Jun 10, 2025

API mode: Responses API^*
Context window: 200,000 tokens
Maximum output: 100,000 tokens
Open weights: No

Capability & preference

General capability · ECI

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

o3-pro 147.4^* o3-pro · 95% interval 145.8–150.2

Run it locally

Inference · memory estimate

o3-pro

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.

o3-pro

Provider offer

Capabilities

Context window: 200,000 tokens
Maximum input: 200,000 tokens^*
Maximum output: 100,000 tokens
Reasoning: Yes
Tool calling: Yes
Structured output: Yes^*
Open weights: No
Knowledge cutoff: 2024-05
API mode: Responses API^*
Image input: Yes^*
PDF input: Yes^*
Parallel tool calls: No^*
Prompt caching: Yes^*
Tool choice: Yes^*
Web search: Yes^*

Input modalities

text
image

Output modalities

text

System configuration

Detailed specifications

Specifications · 22 fields

input cost per token

2.0e-5^*

Scope and conditions

native_context

provider: openai^*
mode: responses^*
full_native_model_id: o3-pro^*
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

1.0e-5^*

Scope and conditions

native_context

provider: openai^*
mode: responses^*
full_native_model_id: o3-pro^*
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: responses^*
full_native_model_id: o3-pro^*
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

200,000^*

Scope and conditions

native_context

provider: openai^*
mode: responses^*
full_native_model_id: o3-pro^*
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

100,000^*

Scope and conditions

native_context

provider: openai^*
mode: responses^*
full_native_model_id: o3-pro^*
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

100,000^*

Scope and conditions

native_context

provider: openai^*
mode: responses^*
full_native_model_id: o3-pro^*
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

responses^*

Scope and conditions

native_context

provider: openai^*
mode: responses^*
full_native_model_id: o3-pro^*
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

8.0e-5^*

Scope and conditions

native_context

provider: openai^*
mode: responses^*
full_native_model_id: o3-pro^*
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

4.0e-5^*

Scope and conditions

native_context

provider: openai^*
mode: responses^*
full_native_model_id: o3-pro^*
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: responses^*
full_native_model_id: o3-pro^*
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/responses^*
/v1/batch^*

Scope and conditions

native_context

provider: openai^*
mode: responses^*
full_native_model_id: o3-pro^*
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: responses^*
full_native_model_id: o3-pro^*
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: responses^*
full_native_model_id: o3-pro^*
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: responses^*
full_native_model_id: o3-pro^*
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

No^*

Scope and conditions

native_context

provider: openai^*
mode: responses^*
full_native_model_id: o3-pro^*
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: responses^*
full_native_model_id: o3-pro^*
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: responses^*
full_native_model_id: o3-pro^*
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: responses^*
full_native_model_id: o3-pro^*
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: responses^*
full_native_model_id: o3-pro^*
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: responses^*
full_native_model_id: o3-pro^*
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: responses^*
full_native_model_id: o3-pro^*
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: responses^*
full_native_model_id: o3-pro^*
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