OpenAI · model passport
GPT-5.2 Chat
gpt-5-2-chat- Cloud only
- Proprietary licence
- 128,000 context
- Released 2026-02-10(from model name)
- Overall · LMArena
- 1,476#33 of 469
- Best percentile
- 93.2Overall
- Cohort standing
- 74.6median 59.6
What the data says
Benchmarked on 6 of 27 tracked axes. Every figure below is the model's own published result on that board.
Strongest axes
- 93.2 pct — Overall (1,476)
- 93 pct — Hard prompts (1,497)
- 91.1 pct — Coding (1,515)
Uneven: 25 percentile points between its best and worst axis — 93.2 pct on Overall versus 68.2 pct on Factuality Arena.
- Overall93.2 pct1,476Verify →
- Hard prompts93 pct1,497Verify →
- Coding91.1 pct1,515Verify →
- Instruction following90 pct1,457Verify →
- Vision Arena86.3 pct1,278Verify →
- Factuality Arena68.2 pct1,450Verify →
- WebDev ArenaNot benchmarked
- Search ArenaNot benchmarked
- Document ArenaNot benchmarked
- Agent ArenaNot benchmarked
- GPQA DiamondNot benchmarked
- AIME (math)Not benchmarked
- FrontierMathNot benchmarked
- SimpleQA VerifiedNot benchmarked
- ARC-AGI-2Not benchmarked
- Humanity's Last ExamNot benchmarked
- SimpleBenchNot benchmarked
- LiveBenchNot benchmarked
- BFCL v4 (function calling)Not benchmarked
- SWE-bench Verified (live board)Not benchmarked
- Terminal-Bench 4.0Not benchmarked
- MMLU-Pro (Artificial Analysis)Not benchmarked
- LiveCodeBench (Artificial Analysis)Not benchmarked
- IFBench (Artificial Analysis)Not benchmarked
- HHEM Hallucination (Vectara)Not benchmarked
- SWE-bench VerifiedNot benchmarked
- Terminal-BenchNot benchmarked
Percentiles are the model's standing within each board's own population. Axes marked "not benchmarked" have no published result for this model — that is an absence of data, not a low score.
How to run it
Use it hosted
gpt-5.2-chatFollows OpenAI's own naming — check it against the linked model list before relying on it.API parameters this endpoint supports
Call it
curl https://api.openai.com/v1/responses \
-H "Authorization: Bearer $OPENAI_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"gpt-5.2-chat","input":"Hello"}'Context, limits and prices come from the last catalogue sync; the API id, the request and the link come from the provider's own documentation. Any field we haven't synced is left out entirely rather than guessed.
GPT-5.2 Chat (20260210) from openai has a composite score of 86.9 and covers 6 out of 27 axes with a shrunk score of 74.6.
standingVerify →GPT-5.2 Chat (20260210) from openai has a standing of 74.6, which is above the cohort median standing of 59.6 for the 145 models in the 180-day window.
cohortVerify →
For GPT-5.2 Chat (20260210) from openai, the sensitivity spread is 26 across 5 templates, with Coding-focused at rank 72 and Reasoning at rank 46.
rank swingVerify →
Every claim is a computed fact from the current board data, phrased by a low-temperature model call and rejected by a validation gate if any number is not in the source row. How the leaderboards work →