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Anthropic

claude-fable-5-1

Name unknown

Hint only. This ID has appeared in public docs or frontend code but not in a provider catalog. It may not work for inference yet.
Status
Hinted
First seen
2026-10-07 17:07 UTC
Last seen
2026-10-07 20:03 UTC
First evidence
Hint
Best evidence
Hint
Seen byEvidenceStateLast seen
Anthropic models overviewHintListed

Release

Model
Claude Fable 5.1
Lab
Anthropic
Released
29 Aug 2026
4 sources agree
  • models.dev metadata: released 29 Aug 2026
  • Vercel AI Gateway: released 31 Aug 2026
  • Epoch AI model data: released 1 Sep 2026 source
  • models.dev metadata: released 1 Sep 2026 (28 hosts)
  • OpenRouter catalog: listed on OpenRouter 1 Sep 2026
First listed
  • OpenRouter · 1 Sep 2026 (3 days later)

History

Nothing here yet

No changes recorded for this model since the baseline.