Claude Fable 5 Guide for Claude Code - How To Use Fable 5 in Claude Code | MediumSitemapOpen in appSign up<br>Sign in

Medium Logo

Get app<br>Write

Search

Sign up<br>Sign in

Member-only story

Claude Fable 5 Guide for Claude Code: 7 New Features and How to Use Them in Claude Code

The first Mythos-class model is open to everyone. My launch briefing on what’s new and how to put it to work in Claude Code and Claude Cowork.

Reza Rezvani

8 min read·<br>Just now

Listen

Share

Anthropic shipped its most capable model this week, and I’m going to be upfront about something most launch coverage won’t be: Claude Fable 5 researched this article itself, running inside my own workspace.<br>Press enter or click to view image in full size

Fable 5 drafted its own launch coverage | Image: GPT Pro © Alireza RezvaniI directed it, checked every claim against the sources linked below, and cut what it got wrong. Watching the model analyze the search landscape for its own launch coverage was the strangest product demo I’ve run this year.<br>If you are currently not a premium Medium member, you can read the full article for FREE here, but consider joining Medium to support my writings — I appreciate your support! Thank you :)

Note: AI-researched under my direction. Every number below comes from Anthropic’s published materials or the linked coverage, not from my own benchmarks. Those come in the 30-day review.

Written by Reza Rezvani<br>7.3K followers<br>·91 following

CTO & AI builder based in Berlin. Writing about Claude Code, agentic workflows, and shipping real products with AI. 20+ years of turning ideas into products.

Help

Status

About

Careers

Press

Blog

Store

Privacy

Rules

Terms

Text to speech