GPT Realtime Mini · fastrouter

A cost-efficient version of GPT Realtime, capable of responding to audio and text inputs in realtime over WebRTC, WebSocket, or SIP connections. Supports a 32,000 token context window and up to 4,096 output tokens per response (knowledge cutoff: Oct 01, 2023). Also supports image input (text/audio/image → text/audio).

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Input, $/1M $10.00

Output, $/1M $20.00

Cache read $0.06

Cache write —

Context 32 000

Max output 4 096

Accepts audio, images, text

Last checked 04.11.2026 12:00:14 UTC

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