Claude Fable Latest (Claude Fable 5.1)
Claude model for demanding reasoning and long-horizon agentic work
Context
1,000,000
Max output
128,000
Input / 1M
$10.00
Output / 1M
$50.00
Providers
4
01Profile
Profile
Released
2026-09-01
Last updated
2026-09-01
Knowledge cutoff
2026-06
Weights
Closed
02Capabilities
Capabilities
Input
text · image · pdf
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Attachments
Yes
Cache read
—
Cache write
—
03Pricing
Pricing across 4 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
4+ recent events since 2026-09-01
2026-08-14Addededenaioffering→ new
2026-08-03Addednano-gptoffering→ new
2026-08-02Addedkilooffering→ new
2026-06-09Addedopenrouteroffering→ new