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...
OpenAI: GPT-5.2 Chat — OpenAI. Context window 128,000 tokens. API pricing (per 1M tokens): Input $1.75, Output $14. License: Proprietary. LMArena 1,439.
| Provider | OpenAI |
|---|---|
| API model ID | openai/gpt-5.2-chat |
| Tier | Mid |
| Context window | 128,000 tokens |
| Max output | 32,000 tokens |
| License | Proprietary |
| API pricing (per 1M tokens) · Input | $1.75 |
| API pricing (per 1M tokens) · Output | $14 |
| LMArena | 1,439 (gpt-5.2-chat-latest-20260210) |
LMArena (CC-BY 4.0, best reasoning setting, 2026-10-02) · GPQA Diamond: Epoch AI (CC-BY 4.0)
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