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Claude Fable 5
Commercial useClaude Fable 5 (Anthropic, released 09/06/2026) is the PREVIOUS generation of the Fable line — now classified as legacy by Anthropic, with Fable 5.1 as the current version. Same positioning: multi-step reasoning and long-session agentic tasks, stronger than Opus 5 in that category. Context 1 million tokens, max output 128K, adaptive thinking always on. It differs from Fable 5.1 mainly in knowledge freshness: cutoff 01/2026 (Fable 5.1 is 06/2026). Same price as 5.1, so unless there's a specific reason to pin the older version, Fable 5.1 should be used.
Pricing theo tokenInput 560 credits / 1M (≈ $2.80)Output 2800 credits / 1M (≈ $14.00)
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Input
Used to describe the generated output.
Image for reference
Cho model tra cuu web (WebSearch + WebFetch) khi can thong tin moi. Chi ho tro model Claude.
Priced per token (in 560 · out 2800 cr / 1M)
Output
output typetext
Ready to create
Fill the inputs and click Run.
Examples
Click an example to load it into the Playground and try it.
README
Claude Fable 5 API
Claude Fable 5 (Anthropic, released 09/06/2026) is the PREVIOUS generation of the Fable line — now classified as legacy by Anthropic, with Fable 5.1 as the current version. Same positioning: multi-step reasoning and long-session agentic tasks, stronger than Opus 5 in that category. Context 1 million tokens, max output 128K, adaptive thinking always on. It differs from Fable 5.1 mainly in knowledge freshness: cutoff 01/2026 (Fable 5.1 is 06/2026). Same price as 5.1, so unless there's a specific reason to pin the older version, Fable 5.1 should be used.
Capabilities
- ✓ chat
How to use it on CinAPI
- 1Create an API key. Go to API Keys to create an ak_… key for your app.
- 2Try it in the Playground. Fill in the Playground tab form and click Run to see instant results (real credits deducted).
- 3Call via the API. POST to /api/v1/calls with a Bearer key to integrate it into your product.
- 4Integrate & scale. One key works for every model (text / image / video). Track usage & logs in the dashboard.
Pricing
Billed by tokens: 560 credits per 1M input tokens (≈ $2.80) and 2800 credits per 1M output tokens (≈ $14.00), charged on each call's actual usage. Credits never expire; top up on the Billing page.
Frequently asked questions
Sign up for a CinAPI account, create an API key under API Keys, then call the endpoint with a Bearer key. API-key calls are paid from purchased or bonus credits; your plan's monthly allowance can only be used on the web.
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