Anthropic shipped Claude Fable 5.1 yesterday, same day OpenAI dropped GPT-6.
Not a coincidence, they held it specifically to land in that window The number that matters isn't the benchmark chart. It's this: Fable 5.1 can hit similar or better results than Fable 5 at LOWER effort
Opus 5 made this into a real world in a 72 hr loop
ZERO assets. every pixel was generated
I used Claude Fable 5.1 in the video and compared it with ChatGPT and Gemini on the same topic.
In conclusion, I thought it was pretty good. However, I think it's best to only ask for occasional tasks. I think Opus 5 is usually enough. The reason is simple: it's extremely slow.
This is wild! Way beyond expectations!
AnthropicAI's Fable 5.1 just one shotted about 90% of the build ↓ I gave it a rough proof-of-concept I build with Opus 5 yesterday, a messy voice memo + Figma URL's to the design. 17 minutes later it created this (video below)👇🏻 It
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