So far, the minimum we need to know. Now it's time to tackle the System Card of only 319 pages 🙂 Link https://www-cdn.anthropic.com/d00db56fa754a1b115b6dd7cb2e3c342ee809620.pdf …
GENERATIVE AI
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HyperFrames engine becomes Claude connector for easy AI video
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The HyperFrames engine leaving the terminal and becoming a Claude connector is a bigger deal than it looks.
— Chubby♨️ (@kimmonismus) 9 juin 2026
Ask for a video the way you'd ask for the report. No repo, no setup. That's the version of AI video that non-developers will actually use. https://t.co/Z8q8tb0a7pThe HyperFrames engine leaving the terminal and becoming a Claude connector is a bigger deal than it looks. Ask for a video the way you'd ask for the report. No repo, no setup. That's the version of AI video that non-developers will actually use.
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AI creates coin-flipping Balatro, self-aware snake, isochronic map
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Some fun examples, I just gave basic prompts and the AI executed:
Balatro, but for coin flipping (all the design and ideas was Fable): https://
play-flipside.netlify.app
The best self-aware snake game: https://
snake-stable-build.netlify.app An isochronic map using real data: https://
isochronic-passage-chart.netlify.app/#syd -
Fable 5 / Mythos 5 most capable AI, twice Opus price, legal benchmark issue
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It’s about twice as expensive as Opus, but Fable 5 / Mythos 5 is the most capable AI on the planet (Also, why does every model seem to suck on the legal agent benchmark?)
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Fable 5 available in Claude Code and Cowork, best coding model
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Fable 5 is now available in Claude Code and Cowork
— Boris Cherny (@bcherny) 9 juin 2026
Fable is the best model I have used for coding, by a wide margin. It is a big step up, enabling less prompts and steers, more efficient token use, better code quality, better tool use, more intelligent self-verification, longer… https://t.co/RmVfZh39HtFable 5 is now available in Claude Code and Cowork. Fable is the best model I have used for coding, by far. It is a big step forward, allowing fewer instructions and guidance, more efficient token usage, better quality of
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Curiosity about Anthropic’s promotional image creation
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I am curious how Anthropic makes images for their promotional materials. Is it just Claude collaging found images? It doesn't look like an image model. https://t.co/SAaqUUkxNA
— Gene Kogan (@genekogan) 9 juin 2026I am curious how Anthropic creates images for its promotional materials. Is it simply Claude assembling found images? That doesn't look like an image model.
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GPT-5.6 Cannot Compete with Fable 5 According to Evals
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I mean, i guess so. obv. i havent tested both, or even fable sufficiently. but reading their blogpost and looking at the evals, i dont see how GPT-5.6 can compete right now. Of course, you wont use Fable 5 for every task and GPT-5.5 is a beast. but given the different use cases,
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Model pricing: soon 100x more expensive?
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Pricing. According to reports, roughly double the current pricing levels of Claude Opus — down from the 5x Opus suggested by Mythos's initial pricing. Next time, they'll announce that the new model is 100x more expensive, so we are
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Claude 5 Fable: state-of-the-art on benchmarks, excels on longer and complex tasks
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Claude 5 Fable tl;dr – It is state-of-the-art on nearly all tested benchmarks of AI capability, showing exceptional performance in software engineering, knowledge work, vision, scientific research -The longer and more complex the task, the larger Fable 5’s lead over our other
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Big leap in agentic programming and new FrontierCode Diamond benchmark
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Regarding the first benchmark table they share, the big leap is observed especially in agentic programming (where labs get more value from users). The new FrontierCode Diamond benchmark released yesterday, designed to be more difficult than