token.app › Compare › Qwen3.5 Plus 2026-02-15 vs Claude Opus 5

Qwen3.5 Plus 2026-02-15 vs Claude Opus 5

Claude Opus 5 leads on 2 of 2 shared benchmarks. Qwen3.5 Plus 2026-02-15 is 17× cheaper per token on a blended 3:1 basis.

Head to head
Blended price uses a 3:1 input:output mix
Qwen3.5 Plus 2026-02-15Claude Opus 5
ProviderAlibabaAnthropic
Input $/1M$0.260$5.00
Output $/1M$1.56$25.00
Blended $/1M$0.585$10.00
Context window1M1M
Max output66K128K
ReleasedFeb 2026Jul 2026
LicenceProprietaryProprietary
GPQA Diamond 84.8% 93.9%
OTIS Mock AIME 86.7% 98.9%
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Qwen3.5 Plus 2026-02-15 if…
  • Costs less per token — $0.585 vs $10.00 blended
Choose Claude Opus 5 if…
  • Higher GPQA Diamond (93.9% vs 84.8%)
  • Higher OTIS Mock AIME (98.9% vs 86.7%)
  • Newer model (released Jul 2026)
FAQ
Which is better, Qwen3.5 Plus 2026-02-15 or Claude Opus 5?
Across the 2 benchmarks both models have independently-run scores for, Qwen3.5 Plus 2026-02-15 leads on 0 and Claude Opus 5 leads on 2. Benchmarks are one input — price and context window are on this page too.
Is Qwen3.5 Plus 2026-02-15 cheaper than Claude Opus 5?
Qwen3.5 Plus 2026-02-15 is cheaper: $0.585 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $0.260 vs $5.00. Output alone: $1.56 vs $25.00.
What context windows do Qwen3.5 Plus 2026-02-15 and Claude Opus 5 have?
Qwen3.5 Plus 2026-02-15: 1,000,000 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes Qwen3.5 Plus 2026-02-15 and Claude Opus 5?
Qwen3.5 Plus 2026-02-15 is made by Alibaba. Claude Opus 5 is made by Anthropic.
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