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Claude Fable 5 vs Kimi K2.7 Code

Verdict

Claude Fable 5 leads 7–0 across 7 shared benchmarks.

Claude Fable 5 7 · Kimi K2.7 Code 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 5Kimi K2.7 Code

Capabilities

Math

Math: Claude Fable 5 leads 2–0 across 2 shared math benchmarks (largest gap: FrontierMath-Tier-4-v2-Private, 87.8 vs 12.2 — single evaluator).

4 reproduced

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

Kimi K2.7 Code

No vendor claims on file for Kimi K2.7 Code.

A higher number is not always a better model. Each score is task performance under a disclosed harness. Of the 14 measurements across 7 shared benchmarks, 14 single-evaluator or undisclosed-protocol reports; 71% are independently reproduced. Kimi K2.7 Code 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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