Qwen 3.5 Flash (hosted 35B-A3B)
ECI#84
144Qwen 3.5 Flash (hosted 35B-A3B) is a closed-weights model from Alibaba, released February 25, 2026. It has an ECI score of 144 and ranks 84th of 249 tracked models. At the time of its release, it ranked 32nd of 191 tracked models.
Qwen 3.5 Flash (hosted 35B-A3B) vs select alternatives
| Domain | Benchmark | Qwen 3.5 Flash (hosted 35B-A3B) | |||
|---|---|---|---|---|---|
ECI scoreBest score 166 | 144 | 144 | 147 | 144 | |
| Ranking | #84 | #85 | #62 | #80 | |
| Agent | Vending-Bench 2Best score $11,182 | $463 | -$11 | $1 | — |
| Games | Chess PuzzlesBest score 72% | ||||
Mystery Game PuzzlesBest score 84% | |||||
| Mathematics | FrontierMath Tiers 1-3 (v2)Best score 94% | ||||
OTIS Mock AIME 2024-2025Best score 100% | |||||
| Science | GPQA DiamondBest score 96% | ||||
| Software engineering | Text Arena (Coding)Best score 1797 | 1238 | — | 1399 | 1254 |
ALE-BenchBest score 2177 | 222 | — | 622 | 798 | |
| World knowledge | SimpleQA VerifiedBest score 76% |
