Claude Fable 5.1
Claude Fable 5.1 API pricing is $10 per million input tokens and $50 per million output tokens.
- Provider
- Anthropic
- API model name
- claude-fable-5-1
- Status
- Current
- Input, $ per 1M tokens
- $10.00
- Cached input, $ per 1M tokens
- $0.25
- Output, $ per 1M tokens
- $50.00
- Sample request (10K in, 2K out), $
- $0.20
- Context window, tokens
- 1M
- Price checked on
- Official pricing page
- platform.claude.com
These are standard rates on Anthropic’s own API. Cached input is billed at $0.25 per million tokens, a quarter of what Claude Fable 5 charges for a cache hit. A request with 10,000 input tokens and 2,000 output tokens costs about $0.20 before caching or batch discounts. The API model name is claude-fable-5-1, and the context window is 1M tokens. Within Anthropic’s current lineup, Claude Haiku 4.5 handles the same request for about $0.02.
Cache writes cost $12.50 per 1M tokens for a 5-minute cache and $20 for a 1-hour cache.
- Cache writes, $ per 1M tokens
- $12.50
- Max output, tokens
- 128K
- Input types
- Text, image, file
- Open weights
- No
- Batch pricing
- 50% off input and output tokens
- Pricing notes
- Cache writes cost $12.50 per 1M tokens for a 5-minute cache and $20 for a 1-hour cache.
- Sources
Page URL Checked Claude API pricing https://platform.claude.com/docs/en/about-claude/pricing 2026-10-19 OpenRouter model listing (context and output limits) https://openrouter.ai/models 2026-09-29
Questions
How much does the Claude Fable 5.1 API cost?
What is the API model name for Claude Fable 5.1?
claude-fable-5-1 in API calls to Anthropic. The context window is 1M tokens, and a response can run to 128,000 output tokens.What does one Claude Fable 5.1 request cost?
How much do Claude Fable 5.1 cache writes cost?
Sources
Prices are read from each provider’s official pricing page: OpenAI, Anthropic, Google Gemini API, xAI, DeepSeek and Mistral AI. Context and output limits that a provider does not publish come from OpenRouter’s model listing. Each model’s Sources field lists the pages used and the date each was checked. How we check prices · Price change log