IOI 2026 (Vals v2)
Code
The six IOI 2026 problems under Vals' v2 OpenCode protocol without interactive grading feedback. Final solutions receive official subtask points, averaged across the problems.
Top models (higher is better)
| Model | Score |
|---|---|
| GPT-5.6 Terra | 100.0 |
| GPT-6 Astra | 100.0 |
| Claude Fable 5.1 | 85.2 |
| Claude Opus 5.5 | 85.2 |
| GPT-5.6 Sol | 85.2 |
| GPT-6 Sol | 68.5 |
| Claude Opus 5 | 65.8 |
| Gemini 3.7 Flash | 60.8 |
| Qwen3.8-Max | 60.2 |
| GPT-6 Luna | 58.3 |
| Kimi K3 | 57.8 |
| DeepSeek V4 Pro 0813 | 56.3 |
| Grok 4.7 | 55.3 |
| Hy4 Preview | 55.3 |
| Gemini 3.8 Flash | 53.8 |
| GLM-5.3 | 53.5 |
| Muse Spark 1.3 | 52.5 |
| GPT-5.6 Luna | 50.5 |
| GLM-5.3 Flash | 47.7 |
| Grok 4.6 | 43.5 |
| DeepSeek V4.1 Flash | 43.0 |
| Sonnet 5 | 42.5 |
| GPT-5.3-Codex | 41.7 |
| Grok 4.5 | 41.0 |
| Qwen3.8 27B | 36.8 |
| DeepSeek-V4-Flash-0731 | 36.0 |
| MiMo-V2.6-Pro | 35.2 |
| Gemini 3.6 Flash | 23.7 |
| Muse Spark 1.2 | 20.2 |
| Inkling | 19.7 |
| Inkling-Small | 1.7 |
| Mercury 2.5 | 1.2 |