GPT-5.2 Chat (AKA Instant) is the fast, lightweight member of the 5.2 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning to selectively “think” on...
In / out price$1.75/$14.00per 1M tokens
Context
128K tokens
Parameters
Undisclosed
Modalities
→
Released
Dec 10, 2025
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