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GPT-3.5 Turbo variant with extended 16K token context window for longer conversations and documents.
This is our first general-availability realtime model, capable of responding to audio and text inputs in realtime over WebRTC, WebSocket, or SIP connections.
Specifications
Context32,000
Maximum Output4,096
Inputtext, audio, image
Outputtext, audio
Performance (7-day Average)
Uptime
TPS
RURT
Pricing
Input$4.40/MTokens
Cached Input$0.55/MTokens
Output$17.60/MTokens
Input Audio$35.20/MTokens
cached input audio$0.55/MTokens
Output Audio$70.40/MTokens
Input Image$5.50/MTokens
Usage Statistics
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GPT-4.1 is an enhanced version of GPT-4 with improved instruction following and multimodal capabilities for text and image understanding.
Documentation
No documentation available
This model (gpt-realtime-2025-08-28) uses a dedicated API. Please refer to the official documentation for usage examples.