Private AI
Claude Fable 5 is the public release of Anthropic's Mythos model. Mythos-class traffic is retained 30 days for safety, not training.
Added Jun 9, 2026
Context Window
1.0M
Max Output
128.0K
Input Price (Auto)
$10.00/1M
Output Price (Auto)
$50.00/1M
Cache Read (Auto)
$1.00/1M
Capabilities
Performance metrics and benchmarks
No benchmark data is available yet for this model.
Auto routing is available for this model. Explicit provider selection is not available.
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