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Claude Fable 5 is Anthropic's most capable generally available model, priced at $10 input and $50 output per 1M tokens with a 1M context window and 128K maximum output.
Fable requires 30-day data retention for safety monitoring and may route flagged cyber or biology requests to Opus 4.8.
| Field | Before | After |
|---|---|---|
| frontier | claude-opus-4-8 | claude-fable-5 |
| pricing | — | 10, 50 |
| context_window | — | 1000000 |
| max_output | — | 128000 |
Anthropic lists Claude Fable 5 at $10 input and $50 output per 1M tokens.
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