DeepSeek V4 Flash 0731 is an open-weights model from DeepSeek, released July 31, 2026. It has an ECI score of 154 and ranks 30th of 249 tracked models. At the time of its release, it ranked 20th of 238 tracked models.
| Domain | Benchmark | ||||
|---|---|---|---|---|---|
ECI scoreBest score 166 | 154 | 149 | 154 | 154 | |
| Ranking | #30 | #52 | #31 | #32 | |
| 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 98% | |||||
OTIS Mock AIME 2024-2025Best score 100% | |||||
| Science | GPQA DiamondBest score 96% | ||||
| World knowledge | SimpleQA VerifiedBest score 76% |