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GPT-Realtime-2.1

openai/gpt-realtime-2.1

OpenAI / GPT

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Realtime speech-to-speech model with configurable reasoning, tool use, and robust voice-agent behavior

Released
2026-07-06
Context window
128K
Max output
32K
Weights
Closed
Modalities
TextInputAudioInputImageInputTextOutputAudioOutput
Capabilities
AttachmentsReasoningTool call
Providers
OpenAIVercel AI Gateway

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