Claude Fable 5.1 vs Qwen3.5 27B: Specs & Benchmark Comparison

CharacteristicClaude Fable 5.1Qwen3.5 27B
CompanyAnthropicAlibaba
Release DateSeptember 1, 2026March 1, 2026
Parameters27B
MultimodalYesNo
Context (input)1.0M
Context (output)128K
Input Price / 1M$10.00
Output Price / 1M$50.00
Average Score0.60.9

Verdict

Claude Fable 5.1 leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: Claude Fable 5.1 — 0.6, Qwen3.5 27B — 0.9.

Recency

Claude Fable 5.1 is newer: released 9/1/2026 vs 3/1/2026.

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Frequently Asked Questions

Which is better for coding — Claude Fable 5.1 or Qwen3.5 27B?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Claude Fable 5.1 or Qwen3.5 27B?
API pricing data is available on the individual model pages.
Which has a larger context window — Claude Fable 5.1 or Qwen3.5 27B?
Context window data is available on the individual model pages.

The Claude Fable 5.1 and Qwen3.5 27B comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Fable 5.1 or Qwen3.5 27B page. See also the complete list of AI model comparisons.