GPT-Realtime-2.1
Closed weights. No supported local deployment or GPU requirement is published.
GeekRadar / The comparison desk
COMPARE.
AI modelsGPT-Realtime-2.1
AI model Released
- API mode
- Realtime API*
- Context window
- 128,000 tokens
- Maximum output
- 32,000 tokens
- Open weights
- No
No matched benchmark results are available for this entry yet.
Run it locally
API cost
Standard text-token estimate. Excludes taxes, caching, batch discounts, reasoning and multimodal surcharges. Provider limits and regional availability may differ.
GPT-Realtime-2.1
GPT-Realtime-2.1 / Pricing tiers
| Provider / scope | Rate | Currency | Amount / unit |
|---|---|---|---|
| OpenAIgpt-realtime-2.1Standard text | Cached input | USD | 0.4 / 1M tokens |
| Input | USD | 4 / 1M tokens | |
| Output | USD | 24 / 1M tokens | |
| OpenAIgpt-realtime-2.1Standard image | Cached input | USD | 0.5 / 1M tokens |
| Input | USD | 5 / 1M tokens | |
| OpenAIgpt-realtime-2.1Standard audio | Cached input | USD | 0.4 / 1M tokens |
| Input | USD | 32 / 1M tokens | |
| Output | USD | 64 / 1M tokens |
Capabilities
- Context window
- 128,000 tokens
- Maximum input
- 128,000 tokens*
- Maximum output
- 32,000 tokens
- Reasoning
- Yes
- Tool calling
- Yes
- Open weights
- No
- Knowledge cutoff
- 2024-09-30
- API mode
- Realtime API*
- Audio input
- Yes*
- Audio output
- Yes*
- Parallel tool calls
- Yes*
- System messages
- Yes*
- Tool choice
- Yes*
Input modalities
- text
- audio
- image
Output modalities
- text
- audio
System configuration
Detailed specifications
Specifications · 25 fields
- cache creation input audio token cost
- 4.0e-7*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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 audio token cost
- 4.0e-7*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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 image token cost
- 5.0e-7*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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
- 4.0e-7*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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 audio token
- 3.2e-5*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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 image token
- 5.0e-6*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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
- 4.0e-6*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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
- 128,000*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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
- 32,000*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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
- 32,000*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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
- realtime*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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 audio token
- 6.4e-5*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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
- 2.4e-5*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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.*
- regional processing uplift multiplier eu
- 1.1*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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.*
- regional processing uplift multiplier us
- 1.1*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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/realtime*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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*
- audio*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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*
- audio*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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 audio input
- Yes*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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 audio output
- Yes*
Scope and conditions
- native_context
- provider
- openai*
- mode
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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
- realtime*
- full_native_model_id
- gpt-realtime-2.1*
- 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.*
0 selected Compare 0
* Provisional data