Claude Fable 5.1 — launched
Anthropic · Detected 2026-09-01T18:17:10.942Z
Original source: https://platform.claude.com/docs/en/about-claude/pricingLAUNCHED
Before: Not present
After: Claude Fable 5.1
These values are captured from the named source, confirmed on consecutive observations, and held for six hours to screen rapid reversals. OpenRouter-listed changes describe its catalog, not necessarily a direct provider price change.
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