Language model · from 12 credits
Write and analyze with Claude Fable 5.1
Claude Fable 5.1 is Anthropic's most accomplished model in the catalogue, released at the end of August 2026. Its hallmark is precision over distance: it follows a long brief to the letter, keeps every constraint in mind from one end of a text to the other, and does not drift when the instructions run across several pages. In the canvas, it is the model you bring out for a complete script, a series of prompts that must stay consistent with each other, or brand copy where every word counts. It is also the most expensive text in the catalogue: Claude Sonnet 5 does the everyday work for a fraction of the price.
What Claude Fable 5.1 brings
Released on 31 August 2026, Claude Fable 5.1 is Anthropic's most advanced model. Its hallmark is precision over distance: it follows a long brief to the letter, keeps every constraint in mind from one end to the other, and does not drift when instructions run across several pages. It reads text, images and PDFs, with a one-million-token context.
It is the model for texts where every word counts: a brand page, a complete script, a series of prompts that must stay consistent with each other. Priced at ten dollars per million input tokens and fifty per million output tokens, it is also the most expensive text in the catalogue, level with GPT-6 Astra.
Using it without a subscription
On Imaginode, Claude Fable 5.1 is a choice in the Text node, paid per message with your credits: no Claude subscription, no API key, and the exact price on the button before sending. Its answer feeds the connected Image and Video nodes directly, which makes it an excellent workflow scriptwriter: a brief in, prompts ready to generate out.
For everyday work, Claude Sonnet 5 offers the same character for a fraction of the price, and Claude Opus 5 sits between the two. The trio lives on the same canvas: you move up the range only when the text deserves it.
Claude Fable 5.1 next to its closest siblings
Figures pulled from the same registry as billing: when a price or a cap changes, this table changes with it.
| Claude Fable 5.1 | GPT-6 Astra | GPT-5.5 | |
|---|---|---|---|
| Base price | 12 credit(s) / message | 12 credit(s) / message | 7 credit(s) / message |
How to use it on Imaginode
- 1Add a Text node and pick Claude Fable 5.1 in the selector.
- 2Give your instruction; wire in other texts or images to analyze.
- 3The result feeds your connected Image and Video nodes directly.
Frequently asked questions
Does Claude Fable 5.1 replace Claude Opus 5?
No, it complements it. Opus 5 remains the great writer for long texts meant to be read; Fable 5.1 pushes fidelity to long instructions and multi-step work further, at twice the price.
How much does a message sent to Claude Fable 5.1 cost?
Around 12 credit(s) per message, that is $0.14 (1 credit = $0.012). The cost shows before sending, with no separate subscription and no API key to manage: the same credits pay for all 88 models in the catalog.
Do I need a separate subscription to use Claude Fable 5.1?
No: Claude Fable 5.1 is included in Imaginode, with no API key and no account with the provider. A single credit balance covers all 88 models, text, image, video and voice, and also powers the assistant that builds complete workflows.
Can I try Claude Fable 5.1 for free?
Yes: signing up grants trial credits, no credit card required, and those credits never expire. Enough to test Claude Fable 5.1 in real conditions before deciding on a plan or a top-up.
Do I need to install anything to use Claude Fable 5.1?
No: Claude Fable 5.1 runs server-side, in the browser, mobile included. Imaginode's node canvas wires its renders to the other models (references, camera, styles) with nothing to install.
Try Claude Fable 5.1 on a real canvas
88 models, one account, credits that work everywhere. The price always shows before you generate.
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GPT-5 (ChatGPT)