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GPT-Realtime OpenAI Deprecated GPT-Realtime-2.1 Mini OpenAI
Context window 32k 128k
Max output 4k 32k
Audio input ✓ ✓
Reasoning − ✓
Tool calling ✓ ✓
Licence Proprietary Proprietary
API model id gpt-realtime gpt-realtime-2.1-mini

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  1. GPT-RealtimeOpenAI32k
  2. GPT-Realtime-2.1 MiniOpenAI128k

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Language models 77
Image generation 18
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Embeddings 3