DeepSeek-V3.1
ECI#119
140DeepSeek-V3.1 is an open-weights model from DeepSeek, released August 21, 2025. It has an ECI score of 140 and ranks 119th of 257 tracked models. At the time of its release, it ranked 24th of 160 tracked models.
DeepSeek-V3.1 vs select alternatives
| Domain | Benchmark | DeepSeek-V3.1 | |||
|---|---|---|---|---|---|
ECI scoreBest score 167 | 140 | 139 | 141 | 140 | |
| Ranking | #119 | #124 | #111 | #118 | |
| Conceptual reasoning | LMCABest score 68.2 | 24.3 | — | — | 22.1 |
SimpleBenchBest score 82% | |||||
DTBenchBest score 99% | |||||
| Long context | ForecastBenchBest score 62.5 | 58.0 | 60.0 | — | — |
Fiction.liveBenchBest score 97% | |||||
| Software engineering | WeirdML (v2)Best score 94% |
