FFree
OpenAIClosed Weights

gpt-realtime-2.1

openai/gpt-realtime-2.1

Best Input Price

$4.00 / 1M

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

Context Window

128,000 tokens

Reasoning

Supported

Tool Calling

No

Released

2026-07-06

Inference Providers (2)

ProviderModel IDContextInput / 1MOutput / 1MAction
Vercel AI Gatewayopenai/gpt-realtime-2.1128,000$4.00$24.00Docs ↗
OpenAIgpt-realtime-2.1128,000$4.00$24.00Docs ↗