GPT-5.2 is the latest frontier-grade model in the GPT-5 series, offering stronger agentic and long context perfomance compared to GPT-5.1. It uses adaptive reasoning to allocate computation dynamically, responding quickly...
OpenAI: GPT-5.2 — OpenAI. Context window 400,000 tokens. API pricing (per 1M tokens): Input $1.75, Output $14. License: Proprietary. LMArena 1,416. GPQA Diamond 91.4%.
| Provider | OpenAI |
|---|---|
| API model ID | openai/gpt-5.2 |
| Tier | Frontier |
| Context window | 400,000 tokens |
| Max output | 128,000 tokens |
| License | Proprietary |
| API pricing (per 1M tokens) · Input | $1.75 |
| API pricing (per 1M tokens) · Output | $14 |
| LMArena | 1,416 (gpt-5.2-high) |
| GPQA Diamond | 91.4% |
LMArena (CC-BY 4.0, best reasoning setting, 2026-10-02) · GPQA Diamond: Epoch AI (CC-BY 4.0)
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