Fable 5.1 is out 🧡

Same price as Fable 5, but cache reads cost a quarter 25% cheaper on normal tasks, up to 45% on agentic ones science benchmark 24.7% → 52.6% for most work, Opus 5 still does the job

SofiaSep 237

The anatomy of a second brain that writes itself

One Obsidian vault, five folders, and a loop that files every good answer back into a wiki you never touch the structure: CLAUDE.md + AGENTS.md - the constitution, same rules whether Claude or Codex is running the loop raw/ -

Mr. BuzzoniSep 251

HAHA! I honestly wasn't expecting this but holy f*, AnthropicAI isn't kidding with Fable 5.1

I gave it the POC project Opus 5 created yesterday, included the figma frames and a voice memo and it just one shotted the build. I mean; it still needs work. It still needs some

JonasSep 2

One anthropic + grok file hires 10 developers for $3.28 a day and builds an AI company valued at $2.2M

A team of 10 developers costs $100 a month here, the live version of that team costs $50,000 - a 500× gap 10 roles, 2 vendors, 1 contract and no salaries, and all ten read the

SprytixSep 218