Claude Fable 5.1
Anthropic's newest frontier model for coding, knowledge work, and long-horizon agentic runs. Beats both Fable 5 and Opus 5 on Terminal-Bench 4.0 (55.8%), CursorBench 3.2 (73.4%), and Humanity's Last Exam (65.0% with tools), at 75% cheaper cache reads than Fable 5.
Capabilities
Pricing
| Input | $10 / 1M tokens |
| Cached input | $0.25 / 1M tokens |
| 5m cache write | $12.5 / 1M tokens |
| 1h cache write | $20 / 1M tokens |
| Output | $50 / 1M tokens |
| Web search (when used) | $10 / 1,000 searchs |
Provider-equivalent rates used for credits. Higher reasoning effort can consume more output tokens; it has no separate fixed multiplier. One credit equals 1¢, with a one-credit minimum per completed run and the aggregate rounded up once.
Provider pricing source · verified 2026-09-01
Compare Claude Fable 5.1
Claude Fable 5.1: frequently asked questions
- What is Claude Fable 5.1?
- Anthropic's newest frontier model for coding, knowledge work, and long-horizon agentic runs. Beats both Fable 5 and Opus 5 on Terminal-Bench 4.0 (55.8%), CursorBench 3.2 (73.4%), and Humanity's Last Exam (65.0% with tools), at 75% cheaper cache reads than Fable 5. You can try Claude Fable 5.1 on TryAI without a separate provider account.
- How much does Claude Fable 5.1 cost on TryAI?
- Claude Fable 5.1 uses these provider-equivalent rates: Input: $10 / 1M tokens, Cached input: $0.25 / 1M tokens, 5m cache write: $12.5 / 1M tokens, 1h cache write: $20 / 1M tokens, Output: $50 / 1M tokens, Web search (when used): $10 / 1,000 searchs. One TryAI credit equals one cent of usage; completed runs have a one-credit minimum and the aggregate cost is rounded up once.
- What can Claude Fable 5.1 do?
- Claude Fable 5.1 supports Streaming, Reasoning, Tool use, Web search, Vision, Documents with a context window of about 1M tokens.
- How do I try Claude Fable 5.1?
- Create a free TryAI account, pick Claude Fable 5.1 from the model selector, and start generating in seconds.
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