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Meta Superintelligence Labs ships new open-weight frontier models

The lab says it hit its frontier-model goal just over a year after founding, then released the weights openly.

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This brief comes from Tech Twitter’s edited headlines. The posts below are the sources grouped with the story; statements in them belong to their authors.

Alexandr WangLead source
after an exciting week of launches (muse wonder [full] & muse spark open), i want to write a note of appreciation to the amazing research teams at meta superintelligence labs on reaching such a special milestone ♥️ we started MSL and TBD a little more than a year ago and set a goal of producing a frontier model within a year or so. given where llama4 landed, that was an incredibly audacious goal, and we knew it wouldn't be easy. many people told us it would be impossible. we knew it was unlikely, but still worth doing. a remarkable group of researchers and engineers joined the effort from inside and outside meta. every single person came in, picked up a shovel, and got to work with earnestness and urgency. nobody asked whose job it was. we assembled a team of the most brilliant people i…
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elvis
Damn! Looking at the results, Meta really cooked here! More progress on frontier open models is always a big deal. Great to see Meta going back to its roots. The only way to know this checkpoint's quality is to test it yourself.
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Cursor
Muse Wonder from Meta Superintelligence Labs is now available in Cursor! It scores 46.1% on CursorBench at default effort, the highest of any Muse model. Priced at $4/M input and $20/M output tokens.
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Aakash Gupta
Six months ago, Meta wouldn't let anyone outside the company download this AI. This morning they put it online for free so literally anyone can grab it, and they did it three days after building a better one. Pay attention to that order of events, because it's how Meta decides what to give away now. Back in April, Meta called Muse Spark the most powerful model it had ever made and kept the weights locked up. On Monday they launched Muse Wonder, which beats it. This morning all 816 billion parameters of Muse Spark went up on Hugging Face. So the rule at Meta seems pretty simple at this point. Something goes open source the week it stops being the best thing Meta sells. That's a big change from the Llama days. When Zuck released Llama 3.1 405B in 2024, it was the best model Meta had, and…
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MTS
SITUATION DETECTED: Anthropic’s Head of Global Affairs Michael Sellitto has told the IMF that Anthropic projects Claude could lead 80-90% of frontier model training by next year, up from 3% in April.
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How the headline evolved

  1. Meta Superintelligence Labs ships new open-weight frontier models

  2. Meta Superintelligence Labs ships new open-weight frontier models

  3. Meta gives away its AI model days after building a better one

  4. Meta gives away its AI model days after building a better one

  5. Meta gives away frontier model weights days after building a better one

  6. Meta gives away frontier model weights days after building a better one

  7. Meta gives away frontier model weights days after building a better one

  8. Meta gives away frontier model weights days after building a better one

  9. Meta gives away frontier coding weights days after topping them

  10. Meta gives away frontier coding weights days after topping them

  11. Meta gives away frontier coding weights days after topping them

  12. Meta gives away frontier coding weights days after topping them

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