🔥 Claude Fable 5 Is Insanely Smart (And Insanely Expensive)

Vitalii Hryhorenko

Jun 10 • General Discussion

🚨 Claude Fable 5 just dropped, and it's easily one of the most talked-about AI releases right now.

Anthropic says it's their most capable publicly available model to date, with major improvements in:

→ Coding

→ Long-context reasoning

→ Research

→ Complex problem solving

→ Vision tasks

→ Multi-step workflows

What's interesting is that Fable 5 comes from Anthropic's new "Mythos" class of models, which were previously considered too powerful for broad release. The public version includes additional safeguards, especially around cybersecurity and biology-related topics

A few things I've noticed people using it for already:

• Large coding projects

• Debugging complex systems

• Deep research workflows

• Agentic tasks inside Claude Code

• Long-form analysis and planning

The performance is impressive, but there's one catch...

😅 It absolutely destroys your Claude usage limits.

A lot of users are reporting that heavy Fable 5 sessions burn through Claude usage much faster than they're used to, especially for coding and long reasoning tasks. And Anthropic has already confirmed that broader access may eventually move behind additional usage credits

So now I'm curious:

Have you tested Fable 5 yet?

What was the first thing you used it for, and was it actually better than Opus or GPT for your workflow? 👇

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🔥 Claude Fable 5 Is Insanely Smart (And Insanely Expensive)