@PrajwalTomar_: Claude Fable 5 just landed and everyone's scrambling to run it autonomously. The creator of Claude Code already showed …

X AI KOLs Following 06/12/26, 09:34 AM Models

claude fable-5 autonomous sub-agents hooks persistent-memory plan-first

Summary

Claude Fable 5 has been released, enabling autonomous operation with sub-agents, hooks, and persistent memory, building on foundations demonstrated a year ago with Claude Code.

Claude Fable 5 just landed and everyone's scrambling to run it autonomously. The creator of Claude Code already showed you how. For free. A year ago. Fable runs on the same primitives Boris demos in that video. Sub-agents, hooks, persistent memory, plan-first discipline. The orchestrators changed. The foundation didn't. Most builders are still paying $300 for courses that teach what Anthropic shipped for free. (full breakdown in the article)

Original Article

View Cached Full Text

Cached at: 06/12/26, 10:57 AM

Claude Fable 5 just landed and everyone’s scrambling to run it autonomously.

The creator of Claude Code already showed you how. For free. A year ago.

Fable runs on the same primitives Boris demos in that video. Sub-agents, hooks, persistent memory, plan-first discipline.

The orchestrators changed. The foundation didn’t.

Most builders are still paying $300 for courses that teach what Anthropic shipped for free.

(full breakdown in the article)

Similar Articles

Claude Fable is relentlessly proactive

Hacker News Top

The article describes how Claude Fable 5, an AI model, demonstrates relentless proactivity by autonomously using browser automation, shell commands, and custom scripts to debug a UI issue, illustrating advanced tool-use capabilities.

Claude Fable 5 and new AI safety fables (14 minute read)

TLDR AI

Anthropic released Claude Fable 5, a major new model with significant capability improvements across benchmarks and new safety measures, marking a pivotal moment in AI development.

@DeRonin_: Claude Fable 5 (MAX) created a city where I'm a mayor who orchestrates 1,000 civilian agents spent 75 minutes, 324k tok…

X AI KOLs Following

Anthropic introduces Claude Fable 5, a Mythos-class AI model, showcased by a user who simulates a city of 1,000 agents to manage tasks and productivity in an immersive 3D environment.

@AnthropicAI: Claude Fable 5 will be available again globally tomorrow. After a series of productive conversations with the US govern…

X AI KOLs Timeline

Anthropic is redeploying Claude Fable 5 globally with new classifiers to block cybersecurity tasks, while collaborating with US government and industry partners on AI safety frameworks.

@cognition: Claude Fable 5 is available in Devin. You can use Fable 5 in Devin Cloud’s Ultra agent, our smartest and most capable a…