Qwen3.5-35B-A3B
ECI#90
143Qwen3.5-35B-A3B is an open-weights model from Alibaba, released February 24, 2026. It has an ECI score of 143 and ranks 90th of 247 tracked models. At the time of its release, it ranked 36th of 190 tracked models. At $0.163/Mtok for input tokens and $1.30/Mtok for output tokens, it is less expensive per token than similarly-capable models.
Input price$0.163 / 1M tokens
Output price$1.30 / 1M tokens
Parameters3.5e10
Training computeUnknown
Qwen3.5-35B-A3B vs select alternatives
Reasoning
| Domain | Benchmark | Qwen3.5-35B-A3B | |||
|---|---|---|---|---|---|
ECI scoreBest score 167 | 143 | 142 | 144 | 143 | |
| Ranking | #90 | #93 | #83 | #89 | |
| Conceptual reasoning | LMCABest score 63.3 | 29.5 | 28.3 | 29.3 | 39.3 |
DTBenchBest score 98.4% | |||||
| Games | Chess PuzzlesBest score 72.0% | ||||
| Mathematics | OTIS Mock AIME 2024-2025Best score 100.0% | ||||
| Science | CritPtBest score 32.3% | ||||
SciCodeBest score 62.0% | |||||
GPQA DiamondBest score 95.8% |
