Claude Opus 4 vs Qwen: Qwen3.5 Plus 2026-04-20
Compare Claude Opus 4 by Anthropic against Qwen: Qwen3.5 Plus 2026-04-20 by Qwen, context windows of 200K vs 1.0M, tested across 51 shared challenges. Updated May 2026.
Which is better, Claude Opus 4 or Qwen: Qwen3.5 Plus 2026-04-20?
Claude Opus 4 and Qwen: Qwen3.5 Plus 2026-04-20 are both competitive models. Claude Opus 4 costs $15/M input tokens vs $0.4/M for Qwen: Qwen3.5 Plus 2026-04-20. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4 and Qwen: Qwen3.5 Plus 2026-04-20
Claude Opus 4 is made by anthropic while Qwen: Qwen3.5 Plus 2026-04-20 is from qwen. Claude Opus 4 has a 200K token context window compared to Qwen: Qwen3.5 Plus 2026-04-20's 1000K. On pricing, Claude Opus 4 costs $15/M input tokens vs $0.4/M for Qwen: Qwen3.5 Plus 2026-04-20.
Per 1M tokens
Qwen: Qwen3.5 Plus 2026-04-20 is cheaper on both — 38× input, 31× output
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Qwen: Qwen3.5 Plus 2026-04-20 is 31x cheaper per token — worth considering if cost matters.
Style Comparison
Qwen: Qwen3.5 Plus 2026-04-20 uses 13.7x more emoji
