Benchmarks · Games & strategy · Agents & computer use
OpenTTD-Bench
Running a transport company in OpenTTD, a Transport Tycoon remake, for three in-game years on one fixed map, through game tools while the clock keeps running. Median final-year operating profit in pounds over at least five verified games. By Dylan Fetch.
11 models · 12 results · data as of 2026-11-13 · openttd-bench.com ↗
Leaderboard
Opus 5.5 xhigh
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. 2 more models under All models in settings.
More from this benchmark
7 published measuresScore vs any published measure7 measures: sub-scores, splits, counts
5 more models under All models in settings.
Breakdown
darker is better within each column · click a column to sort| Model | |||||||
|---|---|---|---|---|---|---|---|
| Opus 5.5 xhigh | 5 | 855,343 | 124.0 | 3,195 | 19,179 | 82.9 | 512.0 |
| GPT-6 Astra high | 5 | 739,451 | 101.0 | 3,373 | 20,565 | 82.4 | 449.0 |
| Grok 4.7 xhigh | 5 | 479,515 | 65.0 | 3,219 | 15,333 | 80.0 | 405.0 |
| Fable 5.1 high | 5 | 459,826 | 86.0 | 2,227 | 14,080 | 76.2 | 375.0 |
| GPT-6 Sol xhigh | 5 | 357,148 | 78.0 | 2,359 | 11,243 | 76.9 | 546.0 |
| Grok 4.6 xhigh | 5 | 323,688 | 80.0 | 1,908 | 17,395 | 74.2 | 475.0 |
| Opus 5 xhigh | 10.0 | 391,761 | 75.0 | 2,477 | 16,851 | 77.1 | 305.5 |
| DeepSeek V4.1 Flash max | 5 | 198,828 | 51.0 | 2,083 | 4,890 | 72.7 | 381.0 |
| GPT-5.6 Sol xhigh | 5 | 123,566 | 60.0 | 1,721 | 5,846 | 66.8 | 334.0 |
| DeepSeek V4 Flash max | 10.0 | 139,652 | 36.5 | 2,108 | 4,650 | 75.5 | 317.0 |
| MiMo V2.6 Pro high | 5 | 45,119 | 10.0 | 2,040 | 2,220 | 66.4 | 91.0 |
All results
12 rows| # | Model | Effort | OpenTTD-Bench | Subscription $ / task | API $ / task | Harness |
|---|---|---|---|---|---|---|
| 1 | Opus 5.5 | xhigh | 415300.0 | $0.19 | $13 | Claude Code |
| 2 | Opus 5.5 | max | 373178.0 | $0.19 | $13 | Claude Code |
| 3 | GPT-6 Astra | high | 336371.0 | $0.50 | $12 | Codex |
| 4 | Grok 4.7 | xhigh | 239886.0 | Cursor Agent | ||
| 5 | Fable 5.1 | high | 191552.0 | $1.85 | $12 | Claude Code |
| 6 | GPT-6 Sol | xhigh | 182008.0 | Codex | ||
| 7 | Grok 4.6 | xhigh | 167880.0 | Cursor Agent | ||
| 8 | Opus 5 | xhigh | 156455.0 | $0.20 | $12 | Claude Code |
| 9 | DeepSeek V4.1 Flash | max | 106245.0 | $0.020 | $0.27 | Pi |
| 10 | GPT-5.6 Sol | xhigh | 85594.0 | Codex | ||
| 11 | DeepSeek V4 Flash | max | 73762.0 | $0.013 | $0.25 | Pi |
| 12 | MiMo V2.6 Pro | high | 26526.0 | $0.12 | $0.15 | Pi |