Claude 1vsQwen3.5-Plus

Claude 1
Qwen3.5-Plus
Specifications
Context window
9k
1M
Overview
CompanyAnthropicQwen
Release dateMar 14 2023Feb 16 2026
AccessProprietaryProprietary

Which is better: Claude 1 or Qwen3.5-Plus?

Claude 1 and Qwen3.5-Plus don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 1 shipped 1070 days before Qwen3.5-Plus, so benchmark comparisons should account for the intervening progress.

Context windows are 9k (Claude 1) vs 1M (Qwen3.5-Plus).

Direct benchmark comparisons are unavailable — Claude 1 and Qwen3.5-Plus don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 1 was released by Anthropic on Mar 14 2023.

Qwen3.5-Plus was released by Qwen on Feb 16 2026.

Claude 1 has a 9k context window; Qwen3.5-Plus has 1M.

Other comparisons