Anthropic release Fable 5 into the world

BREAKING: 🇺🇸 ANTHROPIC SUSPENDS GLOBAL ACCESS TO MYTHOS FABLE... 5. The US government just ordered Anthropic to suspend foreign access to Mythos Fable 5 AI model. Anthropic has now disabled access for all users worldwide.show more

Anthropic Chinese teams that already distilled Fable 5.

The drama continues to heat up.👀 Anthropic says other... models already have Fable 5…show more

fable 5 is so nerfed. sometimes it feels like... anthropic shipped the max version of opus 4.8. anthropic owes us an explanation.show more

🚨 JUST IN: THE US GOVERNMENT JUST SHUT DOWN... CLAUDE FABLE 5 FOR THE ENTIRE WORLD > a national security export control directive. effective immediately > every foreign national on earth - including Anthropic's own engineers who built the model - is now locked out > Fable 5 launched 4 days ago > it's already being classified like a weapons system > Anthropic says it's a misunderstanding > the order doesn't care > Opus 4.8 still runs. Fable 5 and Mythos 5 are gone until further notice AI just got its first export control. it won't be the lastshow more

ANTHROPIC JUST DROPPED THE OFFICIAL GUIDE TO PROMPTING FABLE... 5. This is the most important prompting framework I've seen. Bookmark this before you forget. Most people treat Fable 5 like a chatbot. That's the mistake. > don't over-engineer prompts — it degrades output. > use /loop for autonomous multi-step work. > give it the goal, not step-by-step commands. > add a memory file. it learns from past runs. > spin up 50+ subagents for complex tasks. Fable 5 isn't an assistant. it's a consultant that leads the work. Read it before you write another prompt. Claude → Fable 5 → Autonomous Work → Real Output → Moneyshow more

Warp now supports Claude Fable 5. Fable 5 has... Mythos-level performance and is highly capable of /goal-oriented, unsupervised tasks. Ready to embed into your next loop 🔁show more

Fable 5 vs Sonnet on Arcads MCP Fable 5... is definitely smarter for video creation:show more

The Fable 5 briefing site was just the first... one. We used Claude Fable 5 in Open Design to generate polished websites across styles. Landing pages, product pages, editorials, launch pages — prompt-built and ready to remix. Watch Fable 5 build in Open Design ↓show more

I asked Fable 5 to turn me into Cyclops.... It used PlayCanvas and one-shotted this. 🪄show more

Fable 5 is back.

Shaders with Fable 5

Sam Altman after hearing the US government banned Claude... Fable 5 and Mythos 5show more

Claude Fable 5 designs a complete 3D-printable model in... a browser-based CAD editor. The editor was also created by Fable 5, including the built-in AI copilot that does the modeling.show more

Opus 5 vs Fable 5 Created with Arcads

Fable 5 is not fable 5 anymore - they... lifted export controls after adding new classifiers - added new safeguards. - and now the routine coding/debugging falls back to Opus 4.8show more

US banned Fable 5 Japan:

Anthropic just shipped Claude Opus 5. It's state of... the art for coding, close to Claude Fable 5. So we re-ran our landing page study: >10 client briefs, >4 models, >10 expert designers, >600 blind comparisons, >400 write ups. TLDR: designers liked its words more than its pages. more in the 🧵show more

playing with fable 5. made a tool to generate... the background video.show more