GPT-5.2 ChatGPT: benchmark results
Provider: OpenAI. Released 2025-12-11. Access: API.
Unified ELO 1686 ± 1, rank #74 of 1392 rated models, from 8 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| HumainE Leaderboard | 32.12 | HumainE Score | 81.1 |
| AI Chess Leaderboard (Continuation) | 842 | Elo | 75 |
| VerdictBench | 63.44 | Accuracy (self-reported) | 75 |
| Chess Bench LLM | 671 | Lichess Rating | 72.6 |
| AI Chess Leaderboard (Reasoning) | 835 | Elo | 68.4 |
| SpeechMap Compliance | 69.6 | % Requests Completed | 61.2 |
| LLM Chess (Saplin) | 142.4 | ELO | 60.2 |
| Bullshit Benchmark | 14.5 | BS Detection Rate (%) | 22.9 |
Interactive version: theaggregate.ai/model?slug=gpt-5-2-chatgpt · How It Works · Data refreshed daily, snapshot 2026-09-05.