Claude 2.1vsQwen3
Claude 2.1 | Qwen3 | |
|---|---|---|
| Specifications | ||
Parameters | — | 235B |
Context window | 200k | 128k |
| Overview | ||
| Company | Anthropic | Qwen |
| Release date | Nov 21 2023 | Apr 29 2025 |
| Access | Proprietary | Open Weight |
Which is better: Claude 2.1 or Qwen3?
Claude 2.1 and Qwen3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2.1 shipped 525 days before Qwen3, so benchmark comparisons should account for the intervening progress.
Context windows are 200k (Claude 2.1) vs 128k (Qwen3). Claude 2.1 is proprietary, while Qwen3 is open weight.
Direct benchmark comparisons are unavailable — Claude 2.1 and Qwen3 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 was released by Qwen on Apr 29 2025.
Claude 2.1 has a 200k context window; Qwen3 has 128k.
Claude 2.1 is a proprietary model released by Anthropic. Qwen3 is an open weight model released by Qwen.