Inkling is an open-weights model from Thinking Machines, released July 15, 2026. It has an ECI score of 148 and ranks 73rd of 237 tracked models. At the time of its release, it ranked 40th of 203 tracked models.
| Domain | Benchmark | Inkling | |||
|---|---|---|---|---|---|
ECI scoreBest score 169 | 148 | 148 | 151 | 146 | |
| Ranking | #73 | #76 | #60 | #89 | |
| Conceptual reasoning | ARC-AGI-2Best score 95% | ||||
ARC-AGI-1Best score 99% | |||||
| Games | Chess PuzzlesBest score 76% | ||||
| 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% | ||||
| Software engineering | Text Arena (Coding)Best score 1820 | 1410 | 1487 | 1473 | 1447 |
| World knowledge | SimpleQA VerifiedBest score 76% |