Claude Opus 4.5 vs Qwen3.5-27B Comparison
Comparing Claude Opus 4.5 and Qwen3.5-27B across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
Claude Opus 4.5 outperforms in 4 benchmarks (GPQA, MMMLU, SWE-Bench Verified, Terminal-Bench 2.0), while Qwen3.5-27B is better at 0 benchmarks.
Claude Opus 4.5 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
Cost data unavailable.
Context Window
Maximum input and output token capacity
Only Claude Opus 4.5 specifies input context (200,000 tokens). Only Claude Opus 4.5 specifies output context (64,000 tokens).
Input Capabilities
Supported data types and modalities
Both Claude Opus 4.5 and Qwen3.5-27B support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Opus 4.5
Qwen3.5-27B
License
Usage and distribution terms
Claude Opus 4.5 is licensed under a proprietary license, while Qwen3.5-27B uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
Claude Opus 4.5 was released on 2025-11-24, while Qwen3.5-27B was released on 2026-02-24.
Qwen3.5-27B is 3 months newer than Claude Opus 4.5.
Nov 24, 2025
3 months ago
Feb 24, 2026
3 weeks ago
3mo newerKnowledge Cutoff
When training data ends
Claude Opus 4.5 has a documented knowledge cutoff of 2025-03-31, while Qwen3.5-27B's cutoff date is not specified.
We can confirm Claude Opus 4.5's training data extends to 2025-03-31, but cannot make a direct comparison without Qwen3.5-27B's cutoff date.
Mar 2025
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Outputs Comparison
Key Takeaways
Claude Opus 4.5
View detailsAnthropic
Qwen3.5-27B
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
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