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Anthropic Is Hiding Its Best AI: Fable 5.2 and the IPO
11 November 2026

Anthropic Is Hiding Its Best AI: Fable 5.2 and the IPO

In the Loop AI

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Anthropic just released Claude Fable 5.2, the new number one AI model in the world, and its own system card says it isn't Anthropic's most powerful model. Ejaaz breaks down what Fable 5.2 can actually do, from protein design and robots to remote work, AAA games built in minutes, visuals made entirely of code, a business plan from one prompt and an operating system built by 1,000 agents, and why Anthropic deliberately held back the model's ability to speed up AI research.

We also cover the strategy behind the release: the growing gap between public and internal models, the METR review, the tit-for-tat race with OpenAI and GPT-6.2 Astra, and the new IPO terms (825 million shares at $70 to $78) as Anthropic heads into IPO week with the best model in the world.

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Timestamps
00:00 Anthropic Is Hiding Its Best AI
01:10 Why Release It Now?
03:35 How We Got Here
05:08 The Benchmarks
05:48 Built for Medicine
07:17 Robots
08:38 Remote Work
09:23 AAA Games in Minutes
10:50 Visuals Made of Code
13:00 A Business From One Prompt
14:36 An OS From Scratch
15:44 Why Hide the Best Model?
20:09 Baiting OpenAI
21:30 Racing to Self-Improvement
22:32 The IPO Details
24:30 Final Thoughts

#ai #anthropic #claude #fable52 #ipo

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