A benchmark that tests answers to difficult International Mathematical Olympiad-level mathematics problems.
Browse the latest scores, model modes, release dates, and parameter sizes for IMO-AnswerBench.
Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology
| Rank | Model | License | |||
|---|---|---|---|---|---|
 GLM-5.2 Thinking Enabled | 91.00 | 2026-06-13 | 753.3B | Free Commercial | |
 Qwen3.7-Max-Preview Thinking Level · Max | 90.00 | 2026-05-20 | Unknown | Closed | |
 Hy3 Thinking Level · High | 90.00 | 2026-07-06 | 295B | Free Commercial | |
4 |  DeepSeek-V4-Pro Thinking Level · Max | 89.80 | 2026-04-24 | 1600B | Free Commercial |
5 | DeepSeek-V4-Flash Thinking Level · Max | 88.40 | 2026-04-24 | 284B | Free Commercial |
6 | DeepSeek-V4-Pro Thinking Level · High | 88.00 | 2026-04-24 | 1600B | Free Commercial |
7 |  Step 3.5 Flash Thinking EnabledTools | 86.70 | 2026-02-02 | 196B | Free Commercial |
8 |  Kimi K2.6 Thinking Enabled | 86.00 | 2026-04-20 | 1000B | Free Commercial |
9 | Step 3.5 Flash Thinking Enabled | 85.40 | 2026-02-02 | 196B | Free Commercial |
10 | DeepSeek-V4-Flash Thinking Level · High | 85.10 | 2026-04-24 | 284B | Free Commercial |
11 | Qwen3-Max-Thinking Thinking Enabled | 83.90 | 2026-01-26 | 1000B | Closed |
12 | GLM 5.1 Thinking Enabled | 83.80 | 2026-03-27 | 75.4B | Free Commercial |
13 | Qwen 3.6 Plus Preview Thinking Enabled | 83.80 | 2026-03-31 | Unknown | Closed |
14 | Qwen3.6-Max-Preview Thinking Level · Max | 83.80 | 2026-04-18 | Unknown | Closed |
15 | GLM-5 Thinking Enabled | 82.50 | 2026-02-11 | 744B | Free Commercial |
16 | Kimi K2.5 Thinking Enabled | 81.80 | 2026-01-27 | 1000B | Free Commercial |
17 | Qwen3.5-397B-A17B Thinking Enabled | 80.90 | 2026-02-16 | 39.7B | Free Commercial |
18 | Qwen3.6-27B Thinking Enabled | 80.80 | 2026-04-22 | 27B | Free Commercial |
19 | Qwen3.6-35B-A3B Thinking Enabled | 78.90 | 2026-04-16 | 35B | Free Commercial |
20 | DeepSeek-V4-Flash Standard Mode | 41.90 | 2026-04-24 | 284B | Free Commercial |
21 | DeepSeek-V4-Pro Standard Mode | 35.30 | 2026-04-24 | 1600B | Free Commercial |
