Inkling (xhigh)
ModelOpen sourceActiveby Thinking Machines Lab · family “inkling-xhigh”
Epoch Capabilities Index
Not scored by Epoch AI
Released
15 Jul 2026
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Unknown
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Input $ / 1M tokens
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Output $ / 1M tokens
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Cached input $ / 1M
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Each benchmark shown separately with its own source
Benchmark results (8)
| Benchmark | Domain | Score | vs best recorded | Setting | Run | Source |
|---|---|---|---|---|---|---|
| LMCA | agents | 37.6% | 55% | xhigh | — | External ↗ |
| DTBench | reasoning | 87.5% | 88% | xhigh | — | External ↗ |
| FrontierMath-Tiers-1-3-v2-Private | math | 33.3% ±2.8 | 36% | xhigh | 6 Aug 2026 | Eval log ↗ |
| FrontierMath-Tier-4-v2-Private | math | 4.9% ±3.4 | 5% | xhigh | 6 Aug 2026 | Eval log ↗ |
| Chess Puzzles | games | 21.0% ±4.1 | 29% | xhigh | 5 Aug 2026 | Epoch ↗ |
| SimpleQA Verified | knowledge | 40.3% ±1.6 | 53% | xhigh | 27 Aug 2026 | Eval log ↗ |
| OTIS Mock AIME 2024-2025 | math | 88.9% ±3.9 | 89% | xhigh | 5 Aug 2026 | Epoch ↗ |
| GPQA diamond | science | 88.3% ±1.9 | 92% | xhigh | 5 Aug 2026 | Epoch ↗ |
Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.
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Events
- BenchmarkEpoch AI evaluates Inkling (xhigh)Epoch AI Benchmarking Hub
- Open releaseThinking Machines releases Inkling (xhigh)Epoch AI Benchmarking Hub