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GPT-4o Realtime


GPT-4o Realtime is an AI model from OpenAI. A real-time GPT-4o variant enabling low-latency audio and text interaction over WebRTC or WebSocket streaming interfaces.
Specifications
Canonical IDopenai-gpt-4o-realtime
StatusActive
CreatorOpenAIOpenAI
Benchmarks
Time to First Token
0.00s
#162
Output TPS
0.0
#439

Capabilities

Input0/5
Text·
Image·
Audio·
Video·
PDF·
Output0/5
Text·
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GPT-5 Mini Image400K$2.50$2.00Available
GPT-5 Image400K$10.00$10.00Available
GPT-5 Pro400K$15.00$120.00Available
GPT-5 Codex400K$1.25$10.00Available
GPT-5410K$1.25$10.00Available
GPT-5 Chat128K$1.25$10.00Available
GPT-5 Mini400K$0.250$2.00Available
GPT-5 Nano400K$0.050$0.400Available
GPT-5 ChatGPTAvailable
GPT-5 LowAvailable
GPT-4o RealtimeCurrent

Model IDs