Gemini 3.5 Flash-Lite
ECI#80
145Gemini 3.5 Flash-Lite is a closed-weights model from Google DeepMind, released July 21, 2026. It has an ECI score of 145 and ranks 80th of 251 tracked models. At the time of its release, it ranked 64th of 234 tracked models.
Gemini 3.5 Flash-Lite vs select alternatives
| Domain | Benchmark | Gemini 3.5 Flash-Lite | |||
|---|---|---|---|---|---|
ECI scoreBest score 167 | 145 | 144 | 145 | 145 | |
| Ranking | #80 | #83 | #79 | #82 | |
| 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% | ||||
| Software engineering | Text Arena (Coding)Best score 1800 | 1447 | 1254 | 1226 | — |
