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.
Start requirement: 250 credits to start
Capabilities
Pricing
| Input | $11.5 / 1M tokens |
| Cached input | $0.2875 / 1M tokens |
| 5m cache write | $14.375 / 1M tokens |
| 1h cache write | $23 / 1M tokens |
| Output | $57.5 / 1M tokens |
| Web search (when used) | $11.5 / 1,000 searchs |
List prices plus 15%. Higher reasoning effort can consume more output tokens; it has no separate fixed multiplier. One credit equals 1¢ charged, 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 rates (provider list price plus 15%): Input: $11.5 / 1M tokens, Cached input: $0.2875 / 1M tokens, 5m cache write: $14.375 / 1M tokens, 1h cache write: $23 / 1M tokens, Output: $57.5 / 1M tokens, Web search (when used): $11.5 / 1,000 searchs. One TryAI credit equals one cent charged; 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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