Claude Fable 5

Anthropic's most capable widely released model, aimed at long-running agents; thinking is always on and cannot be disabled. 1M token context, up to 128k output tokens.

Understands

text, images, documents

Produces

text, code

Contents verified with the vendor: 2026-08-18

Included in subscriptions

No catalogue entry marks this model as part of a plan yet. It will appear here once the plan contents are confirmed with the vendor.