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Claude Fable 5 vs Qwen 3.6 Max (Preview)

Verdict

Claude Fable 5 leads 4–0 across 4 shared benchmarks.

Claude Fable 5 4 · Qwen 3.6 Max (Preview) 0 · higher isn't always better — see caveats.

Per-benchmark head-to-head

Reported scores — protocols may differ. How we compare

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Claude Fable 5Qwen 3.6 Max (Preview)

Capabilities

Reasoning

Reasoning: Claude Fable 5 leads 2–0 across 2 shared reasoning benchmarks (largest gap: SimpleBench, 78.28 vs 55.6 — single evaluator).

2 reproduced2 unverified

What the labs claim

Vendor claims — compare against the measured scores above. A claim is what a developer says about its own model, not an independent measurement.

Claude Fable 5

Agentic / Tool Use

  • “The longer and more complex the task, the larger Fable 5's lead over our other models”
    anthropic.com2026

Coding

  • “It is state-of-the-art on nearly all tested benchmarks of AI capability, showing exceptional performance in software engineering, knowledge work, vision, scientific research, and many other areas”
    anthropic.com2026

General

  • “Fable 5's capabilities exceed those of any model we've ever made generally available”
    anthropic.com2026

Multimodal

  • “It can extract precise numbers from detailed scientific figures and can perform complex vision-based tasks like rebuilding a web app's source code from screenshots alone”
    anthropic.com2026

Qwen 3.6 Max (Preview)

Agentic / Tool Use

  • “Compared to Qwen3.6-Plus, this preview release brings stronger world knowledge and instruction following, along with significant agentic coding improvements across a wide range of benchmarks.”
    qwen.ai2026
  • “improved real-world agent and knowledge reliability performance”
    qwen.ai2026

Coding

  • “It achieves the top score on six major coding benchmarks - SWE-bench Pro, Terminal-Bench 2.0, SkillsBench, QwenClawBench, QwenWebBench, and SciCode - with substantial gains over its predecessor”
    qwen.ai2026
A higher number is not always a better model. Each score is task performance under a disclosed harness. Of the 8 measurements across 4 shared benchmarks, 8 single-evaluator or undisclosed-protocol reports; 75% are independently reproduced. Qwen 3.6 Max (Preview) pricing is cross-check disputed — weigh cost claims with the same caution as benchmark wins. Follow any benchmark to its integrity grade before reading a win as decisive.

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