Claude Fable 5.1
Active · claude-fable-5-1
- Input / 1M
- $10.00
- Cached input / 1M
- $0.25
- Output / 1M
- $50.00
- Context
- 1M
- Max output
- 128k
- Modalities
- n/a
- Released
- Sep 2026
- Status
- Active
- API id
- claude-fable-5-1
- Updated
- 27 Oct 2026
Which rate this is
Base input / cache hit / output
Base input and output rates, plus cache hits and refreshes at $0.25 per 1M tokens. The pricing page also lists 5-minute cache writes at $12.50 and 1-hour cache writes at $20. Context is published as 1M tokens and max output as 128K on the models overview. The announcement is dated September 2026 and does not give a day. Input and output modalities were not listed on the pages checked.
Sources
Updated 27 Oct 2026.
Related
- Claude Opus 5.5 · input $4.00 · output $20.00 · Base input / cache hit / output
- Claude Sonnet 5.5 · input $2.00 · output $10.00 · Base input / cache hit / output
- Claude Haiku 5.5 · input $0.10 · output $0.50 · Prompts up to 100K tokens
Same-tier comparisons
- Claude Fable 5.1 vs GPT-6 Astra · OpenAI