Qwen3-8B
ECI#128
136Qwen3-8B is an open-weights model from Alibaba, released April 28, 2025. It has an ECI score of 136 and ranks 128th of 249 tracked models. At the time of its release, it ranked 15th of 131 tracked models. At $0.117/Mtok for input tokens and $0.455/Mtok for output tokens, it is less expensive per token than similarly-capable models.
Input price$0.117 / 1M tokens
Output price$0.455 / 1M tokens
Parameters8.2e9
Training compute1.8e24 FLOP
Qwen3-8B vs select alternatives
Reasoning
| Domain | Benchmark | Qwen3-8B | |||
|---|---|---|---|---|---|
ECI scoreBest score 166 | 136 | 133 | 138 | 136 | |
| Ranking | #128 | #142 | #122 | #129 | |
| Conceptual reasoning | LMCABest score 63.3 | 8.8 | — | — | 15.5 |
DTBenchBest score 98.4% | |||||
| Games | Chess PuzzlesBest score 72.0% | ||||
| Long context | Fiction.liveBenchBest score 97.2% | ||||
| Mathematics | OTIS Mock AIME 2024-2025Best score 100.0% | ||||
| Science | CritPtBest score 32.3% | ||||
SciCodeBest score 62.0% | |||||
GPQA DiamondBest score 95.8% |
