Kimi K3 vs Qwen 3.5 Plus (hosted 397B-A17B)
Kimi K3 (Moonshot) and Qwen 3.5 Plus (hosted 397B-A17B) (Alibaba) compared on benchmarks, pricing, context window, and use-case rankings.
- Kimi K3 leads on overall intelligence (ECI 158 vs 147).
- Kimi K3 ranks higher for coding (97th vs 39th percentile).
| Attribute | Kimi K3 | Qwen 3.5 Plus (hosted 397B-A17B) |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 158 | 147 |
| Coding | 97 | 39 |
| Math | 82 | 25 |
| Reasoning & Knowledge | 73 | 25 |
| Agentic & Tools | 80 | 24 |
| Specifications | ||
| Developer | Moonshot | Alibaba |
| Family | Kimi | Qwen |
| Released | Jul 16, 2026 | Feb 16, 2026 |
| Parameters | 2.8T | — |
| Availability | Open weights (non-commercial) | — |
| Context window | 1M | — |
| Price — $/M input | $2.10 | — |
| Price — $/M output | $10.95 | — |
| Inputs | text, image, video | — |
| Outputs | text | — |
| Benchmarks | ||
| AIME 2024/2025 | 97% | 87% |
| APEX | 39% | 14% |
| ARC-AGI | 95% | — |
| ARC-AGI-2 | 60% | — |
| GPQA Diamond | 93% | 85% |
| Humanity's Last Exam | 47% | — |
| SciCode | 60% | — |
| SimpleBench | 61% | — |
| SimpleQA Verified | 51% | 25% |
| WebDev Arena | 1674 | 1399 |
| WeirdML | 83% | — |
| FrontierMath | — | 21% |
| FrontierMath Tier 4 | — | 2% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Is Kimi K3 better than Qwen 3.5 Plus (hosted 397B-A17B)?
On Epoch AI's Capabilities Index, Kimi K3 scores higher (158) than Qwen 3.5 Plus (hosted 397B-A17B) (147). The right pick depends on your task — compare their coding, math, and reasoning scores in the table above.
Which is better for coding, Kimi K3 or Qwen 3.5 Plus (hosted 397B-A17B)?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Kimi K3 ranks higher — 97th vs 39th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.