IOI
Problems from the International Olympiad in Informatics 2024-2026. Run by Vals AI.
| Category | Coding |
|---|---|
| Metric | Accuracy (%) |
| Source | Vals AI (evaluator) |
| License | None stated |
| Benchmark page | www.vals.ai |
| Status | Scored |
| Weight | 1.0 within Coding |
| Fit | Discrimination 2.22, noise 0.94 |
Results
| # | Model | Provider | Result | Date |
|---|---|---|---|---|
| 1 | Gemini 4 Argon High | 100.0% | 2026-10-29 | |
| 2 | GPT-6 Astra Max | OpenAI | 100.0% | 2026-10-29 |
| 3 | GPT-6.1 Sol Max | OpenAI | 96.9% | 2026-10-29 |
| 4 | Claude Opus 5.5 Max | Anthropic | 95.1% | 2026-10-29 |
| 5 | GPT-5.6 Sol Max | OpenAI | 91.2% | 2026-10-29 |
| 6 | Claude Fable 5.1 Max | Anthropic | 90.8% | 2026-10-29 |
| 7 | GPT-5.6 Terra Max | OpenAI | 87.6% | 2026-10-29 |
| 8 | Claude Opus 5 Max | Anthropic | 84.3% | 2026-10-29 |
| 9 | Claude Sonnet 5.5 Max | Anthropic | 83.1% | 2026-10-29 |
| 10 | GPT-6 Sol Max | OpenAI | 82.6% | 2026-10-29 |
| 11 | Kimi K3.1 Pro Max | Moonshot AI | 81.9% | 2026-10-29 |
| 12 | Muse Wonder Full Max | Meta | 79.8% | 2026-10-29 |
| 13 | Qwen3.8 Max | Alibaba | 68.9% | 2026-10-29 |
| 14 | GLM-5.3 Max | Zhipu AI | 68.4% | 2026-10-29 |
| 15 | Gemini 3.7 Flash High | 67.8% | 2026-10-29 | |
| 16 | Muse Wonder Max | Meta | 66.9% | 2026-10-29 |
| 17 | GPT-5.6 Luna Max | OpenAI | 61.8% | 2026-10-29 |
| 18 | Hy4 preview | Tencent | 59.3% | 2026-10-29 |
| 19 | Grok 4.7 Extra High | xAI | 57.7% | 2026-10-29 |
| 20 | Gemini 3.8 Flash High | 56.9% | 2026-10-29 | |
| 21 | Muse Spark 1.3 Max | Meta | 56.6% | 2026-10-29 |
| 22 | GPT-6 Luna Max | OpenAI | 55.6% | 2026-10-29 |
| 23 | GPT-5.3 Codex Extra High | OpenAI | 53.8% | 2026-10-29 |
| 24 | GLM-5.3-Flash Max | Zhipu AI | 52.5% | 2026-10-29 |
| 25 | Gemini 3.1 Pro Preview High | 51.8% | 2026-10-29 | |
| 26 | DeepSeek V4 Pro 0813 Max | DeepSeek | 51.6% | 2026-10-29 |
| 27 | Kimi K3 Max | Moonshot AI | 48.9% | 2026-10-29 |
| 28 | MiMo-V2.6-Flash | Xiaomi | 47.7% | 2026-10-29 |
| 29 | Grok 4.6 High | xAI | 47.6% | 2026-10-29 |
| 30 | Claude Haiku 5.5 Max | Anthropic | 47.3% | 2026-10-29 |
| 31 | Ember-1 | Fireworks | 46.3% | 2026-10-29 |
| 32 | Mistral Large 4 High | Mistral | 45.3% | 2026-10-29 |
| 33 | Claude Sonnet 5 Max | Anthropic | 45.0% | 2026-10-29 |
| 34 | Muse Spark 1.3 Extra High | Meta | 43.9% | 2026-10-29 |
| 35 | Grok 4.5 High | xAI | 40.6% | 2026-10-29 |
| 36 | DeepSeek V4.1 Flash Max | DeepSeek | 40.3% | 2026-10-29 |
| 37 | MiMo-V2.6-Pro | Xiaomi | 39.3% | 2026-10-29 |
| 38 | Qwen3.8 27B Extra High | Alibaba | 39.1% | 2026-10-29 |
| 39 | Step 5 Preview | StepFun | 38.1% | 2026-10-29 |
| 40 | Gemini 3.6 Flash High | 35.1% | 2026-10-29 | |
| 41 | DeepSeek V4 Flash 0731 High | DeepSeek | 32.7% | 2026-10-29 |
| 42 | Beam 1.0 | Reflection | 22.8% | 2026-10-29 |
| 43 | Muse Spark 1.2 Extra High | Meta | 21.8% | 2026-10-29 |
| 44 | Inkling | Thinking Machines | 14.9% | 2026-10-29 |
| 45 | Inkling Small | Thinking Machines | 9.3% | 2026-10-29 |
| 46 | Mercury 2.5 High | Inception | 2.4% | 2026-10-29 |