TestsBenchmarks · Coding
IOI (Vals)
Score on International Olympiad in Informatics 2024-2026 problems solved agentically.
% solvedHigher is betterToo easy now: the top models all score near perfectSaturatedThe test's websiteOfficial page ↗
Measured by independent testersIndependent Reported by the makerVendor-reported
| Thinking levelSetting | |||||||
|---|---|---|---|---|---|---|---|
| 1 | Gemini 4 Argon | Google (Gemini / DeepMind) | 100.0% | Highreasoning_effort=high | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 2 | GPT-6 Astra | OpenAI | 100.0% | Maxreasoning_effort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 3 | GPT-6.1 Sol | OpenAI | 96.9% | Maxreasoning_effort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 4 | Claude Opus 5.5 | Anthropic | 95.1% | Maxeffort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 5 | GPT-5.6 Sol | OpenAI | 91.2% | Maxreasoning_effort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 6 | Claude Fable 5.1 | Anthropic | 90.8% | Maxeffort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 7 | GPT-5.6 Terra | OpenAI | 87.6% | Maxreasoning_effort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 8 | Claude Opus 5 | Anthropic | 84.3% | Maxeffort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 9 | Claude Sonnet 5.5 | Anthropic | 83.1% | Maxeffort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 10 | GPT-6 Sol | OpenAI | 82.6% | Maxreasoning_effort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 11 | Qwen3.8 Max (0902) | Qwen (Alibaba) | 68.9% | Default | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 12 | GLM-5.3 | Z.ai (Zhipu) | 68.4% | Maxreasoning_effort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 13 | Gemini 3.7 Flash | Google (Gemini / DeepMind) | 67.8% | Highreasoning_effort=high | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 14 | GPT-5.6 Luna | OpenAI | 61.8% | Maxreasoning_effort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 15 | Hy4 preview | Tencent Hunyuan | 59.3% | Default | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 16 | Grok 4.7 | SpaceXAI (formerly xAI) | 57.7% | Extra highreasoning_effort=xhigh | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 17 | Gemini 3.8 Flash | Google (Gemini / DeepMind) | 56.9% | Highreasoning_effort=high | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 18 | Muse Spark 1.3 | Meta (Meta Superintelligence Labs, Muse) | 56.6% | Maxreasoning_effort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 19 | GPT-6 Luna | OpenAI | 55.6% | Maxreasoning_effort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 20 | GPT-5.3-Codex | OpenAI | 53.8% | Extra highreasoning_effort=xhigh | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 21 | GLM-5.3-Flash | Z.ai (Zhipu) | 52.5% | Maxreasoning_effort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 22 | Gemini 3.1 Pro (Preview) | Google (Gemini / DeepMind) | 51.8% | Highreasoning_effort=high | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 23 | DeepSeek V4 Pro (0813) | DeepSeek | 51.6% | Maxreasoning_effort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 24 | Kimi K3 | Moonshot AI (Kimi) | 48.9% | Maxreasoning_effort=max | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |
| 25 | MiMo-V2.6-Flash | Xiaomi MiMo | 47.7% | Default | Independent testIndependentVals.ai ↗ | — | 29 Sep 2026 |