Anthropic
ReferenceClaude Fable 5.1
Claude Fable 5.1 supports demanding reasoning, coding, multistep research, and document workflows. It accepts text and images and produces text, with a 1M-token context window and up to 128K output tokens.
Reference pricing
Imported snapshot values per 1M tokens. Your customer portal is authoritative for actual kineticRouter billing.
| Component | Mirrored snapshot | Official reference |
|---|---|---|
| Input | $2.5/M | $10/M |
| Output | $12.5/M | $50/M |
| Cache read | $0.0625/M | $0.25/M |
| Cache write | $3.125/M | $12.5/M |
| 5m cache write | $3.125/M | $12.5/M |
| 1h cache write | $5/M | $20/M |
API example
The Anthropic-native route is planned and its configuration is shown only as a reference.
About this model
Claude Fable 5.1 supports demanding reasoning, coding, multistep research, and document workflows. It accepts text and images and produces text, with a 1M-token context window and up to 128K output tokens.
Snapshot FAQ
Imported reference copy; verify runtime behavior before production use.
How is Claude Fable 5.1 pricing shown?＋
The table preserves standard reference rates captured on September 11, 2026, including exact cache prices. Your kineticRouter console remains authoritative for account rates and billed usage.
What are the context and output limits for Claude Fable 5.1?＋
Anthropic documents a 1,000,000-token context window and up to 128,000 output tokens. The captured gateway catalog records the same limits.
Can I use Claude Fable 5.1 through kineticRouter?＋
This model is listed as a reference. Native Anthropic routing on kineticRouter remains planned. Confirm route and model availability for your account before integrating.
Which capabilities does Claude Fable 5.1 support?＋
The reference includes text and image input, text output, adaptive reasoning, function calling, structured outputs, prompt caching, web search, and PDF input. These provider capabilities do not confirm availability through your kineticRouter account.