Claude Fable 5.1 vs Qwen3.8 Max: Specs & Benchmark Comparison

CharacteristicClaude Fable 5.1Qwen3.8 Max
CompanyAnthropicAlibaba
Release DateSeptember 1, 2026August 2, 2026
Parameters2.4T
MultimodalYesYes
Context (input)1.0M1.0M
Context (output)128K131K
Input Price / 1M$10.00$2.50
Output Price / 1M$50.00$6.25
Average Score0.60.9

Verdict

Claude Fable 5.1 leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Claude Fable 5.1 — 0.6, Qwen3.8 Max — 0.9.

API Cost

Qwen3.8 Max is 6.9x cheaper: input $2.50/1M vs $10.00/1M tokens.

Context Window

Claude Fable 5.1 supports a larger context: 1M vs 1M tokens.

Recency

Claude Fable 5.1 is newer: released 9/1/2026 vs 8/2/2026.

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Frequently Asked Questions

Which is better for coding — Claude Fable 5.1 or Qwen3.8 Max?
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 Qwen3.8 Max?
Qwen3.8 Max is cheaper for input: $2.50 per 1M tokens vs $10.00.
Which has a larger context window — Claude Fable 5.1 or Qwen3.8 Max?
Claude Fable 5.1 supports a larger context: 1,048,576 tokens vs 1,000,000.

The Claude Fable 5.1 and Qwen3.8 Max 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 Qwen3.8 Max page. See also the complete list of AI model comparisons.