Benchmarks · coding
IOI
Vals AI's overall score for version 2 of the International Olympiad in Informatics benchmark.
37 models · 38 results · updated 2026-10-29 · vals.ai ↗
Leaderboard
Gemini 4 Argon high
Heavy line: best score at each price. Thin lines join one model's effort levels. Cost uses each model's median subscription plan, or API price with no plan data. 25 more models under All models in settings.
More from this benchmark
1 published measuresTime per task46 results · lower is better
24 more models under All models in settings.
All results
38 rows| # | Model | Effort | IOI | Subscription $ / task | API $ / task | Time |
|---|---|---|---|---|---|---|
| 1 | Gemini 4 Argon | high | 100.0% | $3.78 | $5.31 | 24 min |
| 2 | GPT-6 Astra | max | 100.0% | $0.28 | $6.50 | 32 min |
| 3 | GPT-6.1 Sol | max | 96.9% | $0.074 | $1.26 | 32 min |
| 4 | Opus 5.5 | max | 95.1% | $0.080 | $5.26 | 17 min |
| 5 | GPT-5.6 Sol | max | 91.2% | $0.22 | $7.98 | 1.0 h |
| 6 | Fable 5.1 | max | 90.8% | $1.75 | $11 | 30 min |
| 7 | GPT-5.6 Terra | max | 87.6% | $0.24 | $8.66 | 1.4 h |
| 8 | Opus 5 | max | 84.3% | $0.29 | $16 | 57 min |
| 9 | Sonnet 5.5 | max | 83.1% | $0.11 | $7.52 | 46 min |
| 10 | GPT-6 Sol | max | 82.6% | $0.084 | $2.70 | 31 min |
| 11 | Qwen 3.8 Max | max | 68.9% | $1.12 | $9.47 | 1.8 h |
| 12 | GLM 5.3 | max | 68.4% | $0.80 | $7.67 | 1.8 h |
| 13 | Gemini 3.7 Flash | high | 67.8% | $0.44 | $3.40 | 21 min |
| 14 | GPT-5.6 Luna | max | 61.8% | $0.027 | $0.58 | 1.2 h |
| 15 | Hy4 preview | high | 59.3% | $1.02 | $1.35 | 1.0 h |
| 16 | Grok 4.7 | xhigh | 57.7% | $1.18 | $13 | 47 min |
| 17 | Gemini 3.8 Flash | high | 56.9% | $0.16 | $3.98 | 14 min |
| 18 | Muse Spark 1.3 | max | 56.6% | $0.86 | $1.73 | 29 min |
| 19 | GPT-6 Luna | max | 55.6% | $0.015 | $0.20 | 36 min |
| 20 | GPT-5.3 Codex | xhigh | 53.8% | $2.68 | $2.68 | 30 min |
| 21 | GLM 5.3 Flash | max | 52.5% | free | $0.43 | 1.5 h |
| 22 | DeepSeek V4 Pro 0813 | max | 51.6% | $2.15 | $2.15 | 1.1 h |
| 23 | Kimi K3 | max | 48.9% | $1.29 | $14 | 4.3 h |
| 24 | MiMo V2.6 Flash | high | 47.7% | free | $0.22 | 1.8 h |
| 25 | Grok 4.6 | high | 47.6% | $0.84 | $8.18 | 4.0 h |
| 26 | Haiku 5.5 | max | 47.3% | $0.018 | $0.83 | 13 min |
| 27 | Sonnet 5 | max | 45.0% | $0.22 | $13 | 60 min |
| 28 | Muse Spark 1.3 | xhigh | 43.9% | $1.18 | $2.36 | 30 min |
| 29 | Grok 4.5 | high | 40.6% | $0.88 | $5.64 | 1.4 h |
| 30 | DeepSeek V4.1 Flash | max | 40.3% | $0.017 | $0.24 | 18 min |