ScienceArena - CChO 2025: leaderboard
The Chinese Chemistry Olympiad 2025 final in ScienceArena (Zhao et al., 2026), solved one subpart at a time from text renderings of the questions. Points out of 100, awarded by an LLM judge applying the official process-credit rubric, calibrated against medalist grading; higher is better.
Metric: Score (out of 100): points awarded on the Chinese Chemistry Olympiad 2025 final, text-only question renderings; interleaved solving, one subpart at a time with earlier turns in context; open-ended physics and chemistry turns graded against the official solution and process-credit rubric by the authors' medalist-calibrated LLM-judge pipeline. Source: arxiv.org. Saturation forecast: Around February 2027. 14 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | Gemini 3.1 Pro (Preview) | 72.28 | #94 |
| 2 | Gemini 3.5 Flash | 70.6 | #101 |
| 3 | Gemini 3 Flash | 59.55 | #164 |
| 4 | GLM-5.1 | 58.61 | #179 |
| 5 | Claude Opus 4.7 | 56.59 | #79 |
| 6 | GPT-5.5 | 53.3 | #49 |
| 7 | Seed 2.0 Pro | 53.18 | #211 |
| 8 | Qwen 3.7 Max | 52.66 | #145 |
| 9 | MiMo-V2.5-Pro | 50.11 | #279 |
| 10 | DeepSeek V4 Pro | 49.78 | #188 |
| 11 | Qwen 3.6 Plus | 49.33 | #222 |
| 12 | GPT-5.4 | 47.79 | #123 |
| 13 | DeepSeek V4 Flash | 46.46 | #258 |
| 14 | MiniMax-M2.7 | 43.78 | #518 |
No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.
Interactive version: theaggregate.ai/benchmark?slug=sciencearena-ccho-2025 · How It Works · Data refreshed daily, snapshot 2026-11-13.