Claude Fable 5
Claude Fable 5 is an Anthropic model available in Quad Chat, with up to 1M tokens of context, image input, tool calling and adjustable reasoning.
Claude Fable 5 at a glance
| Lab | Anthropic |
|---|---|
| Available on | Ultra plan and up |
| Context window | 1M tokens |
| Max output | 128K tokens |
| Image input | Yes |
| Tool calling | Yes |
| Reasoning | Yes |
| Privacy lane | Standard |
How to use Claude Fable 5 in Quad Chat
- Create a free account or sign in.
- Open the model picker and choose Claude Fable 5.
- Ask, attach files, or compare the answer with another model.
Frequently asked questions
Can I use Claude Fable 5 for free?
Claude Fable 5 needs the Ultra plan ($40/month) or higher. The Free plan needs no credit card and includes other chat models, so you can try Quad Chat first and upgrade when you need Claude Fable 5. Yearly billing is 15% less than paying monthly.
What is the context window of Claude Fable 5?
Claude Fable 5 accepts up to 1M tokens of context and can write up to 128K tokens in one reply, according to the model catalog Quad Chat routes through. Files, pasted text and earlier messages all count toward that window.
Does Claude Fable 5 support images, tools and reasoning?
Claude Fable 5 accepts images as input, so you can attach screenshots, photos and scanned pages. It supports tool calling. It can reason before it answers, with adjustable effort (low, medium, high and xhigh). You can switch to another model in the same conversation at any time.
Is Claude Fable 5 private in Quad Chat?
Claude Fable 5 runs on the Standard Lane because no Zero Data Retention route is available for it, so the provider may retain prompts under its own policy. Quad Chat asks you to confirm before first use and never trains models on your chats.
How much does Claude Fable 5 cost in Quad Chat?
Quad Chat plans have a flat monthly price and draw usage from shared credits, not a per-token bill. The model picker shows an estimate before you send. For reference, the provider's API list price is $10.00 per million input tokens and $50.00 per million output tokens.
Can I compare Claude Fable 5 with other models?
Yes. Send one prompt to Claude Fable 5 and one or two other models, such as Claude Opus 5.5, Claude Opus 5 and Claude Opus 4.8, and compare the answers side by side in the same thread. You can also switch models mid-conversation without losing your files or context.
Related models
- Claude Opus 5.5 — Anthropic, Ultra plan and up
- Claude Opus 5 — Anthropic, Ultra plan and up
- Claude Opus 4.8 — Anthropic, Ultra plan and up
- Claude Opus 4.7 — Anthropic, Ultra plan and up
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