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Claude Opus 4.8 vs Qwen3.5-27B

Claude Opus 4.8 (Anthropic) and Qwen3.5-27B (Alibaba) compared on benchmarks, pricing, context window, and use-case rankings.

Claude Opus 4.8Anthropic · 1 in the newsQwen3.5-27BAlibaba
Scores
Intelligence (ECI)157
Coding9324
Math91
Reasoning & Knowledge7516
Agentic & Tools94
Specifications
DeveloperAnthropicAlibaba
FamilyClaudeQwen
ReleasedMay 28, 2026Feb 24, 2026
Parameters
AvailabilityAPI accessOpen weights (restricted use)
Context window1M262K
Price — $/M input$5.00$0.20
Price — $/M output$25.00$1.56
Inputstext, image, filetext, image, video
Outputstexttext
Benchmarks
AIME 2024/202598%
APEX43%
ARC-AGI93%
ARC-AGI-272%
FrontierMath47%
FrontierMath Tier 431%
GPQA Diamond91%
SimpleBench65%
SimpleQA Verified40%
WebDev Arena15521357
WeirdML83%40%

Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.

Frequently asked questions

Which is cheaper, Claude Opus 4.8 or Qwen3.5-27B?

Qwen3.5-27B is cheaper on input tokens at $0.20 per million, versus $5.00 (representative OpenRouter pricing).

Which has a larger context window, Claude Opus 4.8 or Qwen3.5-27B?

Claude Opus 4.8 supports up to 1M tokens, compared with 262K for the other.

Which is better for coding, Claude Opus 4.8 or Qwen3.5-27B?

Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Claude Opus 4.8 ranks higher — 93th vs 24th percentile among the models tracked on Model Beat.

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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.