Claude Fable 5
Claude Fable 5 is Anthropic's latest-generation Claude model. Here's what it is, how it differs from Opus, how to use it, and how much it costs — plus a live box to try it below.
Claude Fable 5 (model ID claude-fable-5, sometimes referenced by the codename "mythos") is a model in Anthropic's Claude family. It sits alongside models like Opus 4.8, focused on strong reasoning, long-context understanding, and natural writing.
This site is a playground where you can use Fable 5 straight from the browser — through chat and one-shot tools like translate, summarize, and explain. Try it in the box below without leaving this page.
Try Claude Fable 5 here
Type a question or instruction and run it — the answer streams in on this page.
结果将显示在这里。
Fable 5 vs. Claude vs. Opus
"Claude" is the brand name for Anthropic's family of AI models. Within it are individual models — Opus, Sonnet, Haiku, and Fable 5. Opus targets the deepest reasoning, Haiku is the fast/lightweight option, and Fable 5 is a capable latest-generation model.
So "Claude Fable 5" is not separate from Claude — it is one specific model inside the Claude line-up.
Using Fable 5 in Claude Code
Developers can select a Fable 5 model (claude-fable-5) inside Claude Code for coding tasks — completion, refactoring, and reviews.
For everyday tasks, the playground on this site is the quickest way to try it with no setup.
What you can do with Fable 5
Summarize long text
Paste an article or transcript and get the key points.
Translate
High-quality translation across many languages.
Write & edit
Draft emails, posts, and reports, or fix grammar and rephrase.
Explain anything
Turn complex topics into beginner-friendly explanations.
Frequently asked questions
- What is Claude Fable 5?
- It is a latest-generation model in Anthropic's Claude family, with model ID claude-fable-5.
- Is Fable 5 the same as Claude?
- Claude is the brand; Fable 5 is one model within it, alongside Opus, Sonnet, and Haiku.
- Can I use Fable 5 for free?
- You can try it after signing up. See the pricing page for credit packs.
- Can I use Fable 5 in Claude Code?
- Yes — select the claude-fable-5 model in Claude Code for coding workflows.