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Explainers: Claude Fable 5.1

Cover for the Claude models list explainer: a dot timeline of Anthropic's Fable, Opus, Sonnet and Haiku releases from 2025 to October 2026 on a dark grid.
AI model explainers ·

Claude models list: every Anthropic model by date

Every Claude model since Claude 4 by date, with the current line-up's API IDs, context windows and retirement dates.

The Model Press

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