Claude 2.1vsQwen3-Coder-Next
Claude 2.1 | Qwen3-Coder-Next | |
|---|---|---|
| Specifications | ||
Parameters | — | 80B |
Context window | 200k | 256k |
| Benchmarks | ||
Agentic coding SWE-Bench ProCan the AI fix real bugs in real software? It's handed actual problems from open-source projects and has to write code that genuinely solves them. Higher is better. | — | 44.3% |
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. | — | 70.6% |
Multilingual coding SWE-Bench MultilingualLike SWE-Bench, but the coding problems span many programming languages, not just one. Tests how broadly the AI can code. Higher is better. | — | 62.8% |
Agentic terminal coding Terminal-Bench 2.0Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? (Version 2.0 of the test.) Higher is better. | — | 36.2% |
| Overview | ||
| Company | Anthropic | Qwen |
| Release date | Nov 21 2023 | Feb 3 2026 |
| Access | Proprietary | Open Weight |
Which is better: Claude 2.1 or Qwen3-Coder-Next?
Claude 2.1 and Qwen3-Coder-Next don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2.1 shipped 805 days before Qwen3-Coder-Next, so benchmark comparisons should account for the intervening progress.
Context windows are 200k (Claude 2.1) vs 256k (Qwen3-Coder-Next). Claude 2.1 is proprietary, while Qwen3-Coder-Next is open weight.
Direct benchmark comparisons are unavailable — Claude 2.1 and Qwen3-Coder-Next don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 2.1 was released by Anthropic on Nov 21 2023.
Qwen3-Coder-Next was released by Qwen on Feb 3 2026.
Claude 2.1 has a 200k context window; Qwen3-Coder-Next has 256k.
Claude 2.1 is a proprietary model released by Anthropic. Qwen3-Coder-Next is an open weight model released by Qwen.