New model: Claude Fable 5.1 (Anthropic)

AN● Healthy

Anthropic · claude-fable-5-1

Released2026-09-01

Retiresno announced date

claude-fabletext+image+pdf1000k context128k max out

also matches:

`claude-fable-5-1`

`anthropic/claude-fable-5-1`

`microsoft/claude-fable-5-1`

[provider announcement →](https://models.dev/anthropic/claude-fable-5-1)

Does your code call Claude Fable 5.1?

$ curl -fsSL https://llmstatus.ai/install.sh | bash

Then mm status

in any repo — it finds every model you use and flags the ones on a clock. No account, nothing uploaded.

Get alerted before it retires →