Benchmarks · coding
Terminal-Bench 2.1 (Vals)
State-of-the-art set of difficult terminal-based tasks Scores are the values published by VALS AI. Source benchmark version 2.1.
57 models · 58 results · updated 2026-10-01 · vals.ai ↗
Leaderboard
Opus 5.5 high
More from this benchmark
4 published measuresTime per task74 results · lower is better
Score vs any published measure3 measures: sub-scores, splits, counts
Breakdown
darker is better within each column · click a column to sort| Model | |||
|---|---|---|---|
| Opus 5.5 high, fallback | 100.0 | 90.3 | 81.1 |
| GPT-6 Astra max | 100.0 | 86.1 | 87.8 |
| GPT-5.6 Sol max | 91.7 | 86.1 | 84.4 |
| Fable 5.1 high, fallback | 100.0 | 85.5 | 82.2 |
| Opus 5 high | 100.0 | 83.6 | 84.4 |
| Sonnet 5.5 high, fallback | 91.7 | 86.1 | 76.7 |
| GPT-6 Sol max | 100.0 | 84.2 | 78.9 |
| Gemini 3.8 Flash high | 100.0 | 84.8 | 72.2 |
| Kimi K3 max | 91.7 | 83.6 | 74.4 |
| Fable 5 max | 100.0 | 84.8 | 70.0 |
| GPT-5.6 Luna max | 83.3 | 83.6 | 70.0 |
| Muse Spark 1.3 max | 100.0 | 81.2 | 72.2 |
| Grok 4.6 high | 75.0 | 83.6 | 68.9 |
| Gemini 3.7 Flash high | 91.7 | 83.6 | 64.4 |
| GPT-5.6 Terra max | 100.0 | 79.4 | 71.1 |
| GPT-5.5 high | 83.3 | 81.2 | 66.7 |
| MiMo V2.6 Flash high | 83.3 | 75.2 | 77.8 |
| Sonnet 5 max | 100.0 | 81.8 | 57.8 |
| DeepSeek V4.1 Flash high | 91.7 | 83.0 | 56.7 |
| Gemini 3.5 Flash high | 100.0 | 80.0 | 60.0 |
| Gemini 3.6 Flash high | 100.0 | 77.0 | 64.4 |
| Grok 4.7 xhigh | 91.7 | 75.2 | 67.8 |
| GPT-6 Luna max | 91.7 | 75.8 | 65.6 |
| Opus 4.8 max | 100.0 | 76.4 | 60.0 |
| GLM 5.3 max | 91.7 | 80.0 | 53.3 |
All results
58 rows| # | Model | Effort | Score | Subscription $ / task | API $ / task | Time | Harness |
|---|---|---|---|---|---|---|---|
| 1 | Opus 5.5 | high | 87.6% | $0.008 | $0.50 | 6.4 min | |
| 2 | GPT-6 Astra | max | 87.3% | $0.11 | $1.34 | 4.6 min | |
| 3 | GPT-5.6 Sol | max | 85.8% | $0.057 | $1.02 | 6.2 min | |
| 4 | Fable 5.1 | high | 85.0% | $0.48 | $3.07 | 8.3 min | |
| 5 | Opus 5 | high | 84.6% | $0.015 | $0.89 | 13 min | |
| 6 | Sonnet 5.5 | high | 83.1% | $0.009 | $0.63 | 7.8 min | |
| 7 | GPT-6 Sol | max | 83.1% | $0.023 | $0.37 | 5.0 min | |
| 8 | Gemini 3.8 Flash | high | 81.3% | $0.063 | $1.54 | 9.2 min | |
| 9 | Kimi K3 | max | 80.9% | $0.026 | $0.34 | 10 min | |
| 10 | Fable 5 | max | 80.5% | $0.16 | $1.43 | 8.4 min | |
| 11 | GPT-5.6 Luna | max | 79.0% | $0.005 | $0.054 | 5.9 min | |
| 12 | Muse Spark 1.3 | max | 79.0% | $0.30 | $0.60 | 12 min | |
| 13 | Grok 4.6 | high | 78.3% | $0.047 | $0.45 | 11 min | |
| 14 | Gemini 3.7 Flash | high | 77.5% | $0.13 | $1.02 | 8.2 min | |
| 15 | GPT-5.6 Terra | max | 77.5% | $0.026 | $0.47 | 8.7 min | |
| 16 | GPT-5.5 | high | 76.4% | $0.041 | $0.74 | 7.1 min | |
| 17 | MiMo V2.6 Flash | high | 76.4% | free | $0.023 | 13 min | |
| 18 | Sonnet 5 | max | 74.5% | $0.009 | $0.53 | 11 min | |
| 19 | DeepSeek V4.1 Flash | high | 74.5% | $0.006 | $0.099 | 10 min | |
| 20 | Gemini 3.5 Flash | high | 74.2% | $0.87 | $0.87 | 6.2 min | |
| 21 | Gemini 3.6 Flash | high | 73.8% | $0.037 | $1.17 | 9.2 min | |
| 22 | Grok 4.7 | xhigh | 73.4% | $0.100 | $1.08 | 13 min | |
| 23 | GPT-6 Luna | max | 73.0% | $0.004 | $0.029 | 7.1 min | |
| 24 | Muse Spark 1.3 | xhigh | 72.3% | $0.33 | $0.66 | 14 min | |
| 25 | Opus 4.8 | max | 71.9% | $0.042 | $2.41 | 15 min | |
| 26 | GLM 5.3 | max | 71.5% | $0.032 | $0.31 | 13 min | |
| 27 | Muse Spark 1.2 | xhigh | 69.7% | $0.25 | $0.50 | 15 min | |
| 28 | Muse Spark 1.1 | xhigh | 69.3% | $0.42 | $0.42 | 10 min | |
| 29 | Opus 4.7 | high | 68.5% | $1.98 | $1.98 | 14 min | |
| 30 | GLM 5.2 | max | 67.8% | $0.037 | $0.43 | 14 min |