Gemini 3.1 Flash-Lite
ECI#89
144Gemini 3.1 Flash-Lite is a closed-weights model from Google DeepMind, released March 3, 2026. It has an ECI score of 144 and ranks 89th of 257 tracked models. At the time of its release, it ranked 29th of 191 tracked models.
Gemini 3.1 Flash-Lite vs select alternatives
| Domain | Benchmark | Gemini 3.1 Flash-Lite | |||
|---|---|---|---|---|---|
ECI scoreBest score 167 | 144 | 144 | 145 | 144 | |
| Ranking | #89 | #91 | #85 | #93 | |
| Games | Chess PuzzlesBest score 72% | ||||
| Long context | ForecastBenchBest score 62.5 | 54.4 | 61.3 | 60.4 | — |
| Mathematics | FrontierMath Tiers 1-3 (v2)Best score 94% | ||||
OTIS Mock AIME 2024-2025Best score 100% | |||||
| Science | Humanity's Last ExamBest score 55% | ||||
SciCodeBest score 67% | |||||
GPQA DiamondBest score 96% | |||||
| Software engineering | Text Arena (Coding)Best score 1820 | 1254 | — | 1226 | 1238 |
WeirdML (v2)Best score 94% |
