Kimi K2 ThinkingvsQwen3.5-Plus
Kimi K2 Thinking | Qwen3.5-Plus | |
|---|---|---|
| Specifications | ||
Parameters | 1T | — |
Context window | 256k | 1M |
| Benchmarks | ||
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 71.3% | — |
| Overview | ||
| Company | Moonshot AI | Qwen |
| Release date | Nov 6 2025 | Feb 16 2026 |
| Access | Open Weight | Proprietary |
Which is better: Kimi K2 Thinking or Qwen3.5-Plus?
Kimi K2 Thinking and Qwen3.5-Plus don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi K2 Thinking shipped 102 days before Qwen3.5-Plus, so benchmark comparisons should account for the intervening progress.
Context windows are 256k (Kimi K2 Thinking) vs 1M (Qwen3.5-Plus). Kimi K2 Thinking is open weight, while Qwen3.5-Plus is proprietary.
Direct benchmark comparisons are unavailable — Kimi K2 Thinking and Qwen3.5-Plus don't publish scores on any of the same benchmarks.
Frequently asked questions
Kimi K2 Thinking was released by Moonshot AI on Nov 6 2025.
Qwen3.5-Plus was released by Qwen on Feb 16 2026.
Kimi K2 Thinking has a 256k context window; Qwen3.5-Plus has 1M.
Kimi K2 Thinking is an open weight model released by Moonshot AI. Qwen3.5-Plus is a proprietary model released by Qwen.