Inkling-Small is an open-weights model from Thinking Machines, released July 15, 2026. It has an ECI score of 150 and ranks 52nd of 257 tracked models. At the time of its release, it ranked 29th of 231 tracked models.
| Domain | Benchmark | Inkling-Small | |||
|---|---|---|---|---|---|
ECI scoreBest score 167 | 150 | 150 | 152 | 147 | |
| Ranking | #52 | #55 | #49 | #67 | |
| Conceptual reasoning | ARC-AGI-2Best score 95% | ||||
ARC-AGI-1Best score 99% | |||||
| Games | Chess PuzzlesBest score 72% | ||||
Mystery Game PuzzlesBest score 84% | |||||
| Mathematics | FrontierMath Tiers 1-3 (v2)Best score 94% | ||||
FrontierMath Tier 4 (v2)Best score 100% | |||||
OTIS Mock AIME 2024-2025Best score 100% | |||||
| Science | GPQA DiamondBest score 96% | ||||
| World knowledge | SimpleQA VerifiedBest score 76% |