#01SOTAAnthropic· released 2026-06-09

Anthropic: Claude Fable 5.

Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...

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Context
1.0M
Input $/1M
$10.00
Output $/1M
$50.00
Modality
text · image · file

Benchmarks

How these are aggregated →
Arena Elo
1588
LMArena — human blind votes
AA Index
71.0
Artificial Analysis composite
LiveBench
84.7
Contamination-resistant
GPQA
91.8%
Grad-level science reasoning
MMLU-Pro
88.9%
Broad knowledge
SWE-bench
80.6%
Real GitHub bugs (Verified)
Terminal-Bench
57.9%
Agentic shell tasks
ARC-AGI
23.4%
Abstract reasoning
Aider Polyglot
89.2%
Multi-language code editing
Speed
38 tok/s
Median output speed

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