5 stories that day · 1 model · 2 open source · 1 research · 1 trending
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ModelTop story
It costs developers $1.50 per million input tokens and $7.50 per million output tokens. Google says it scores 51 on the Artificial Analysis Intelligence Index, one point above Gemini 4 Argon.
Google · Original source (opens in a new tab)
Open source
Runway opens the weights of Praxis-1, a robot model that predicts video and movements together (opens the original source in a new tab)Runway says the 27-billion-parameter model, plus its code for running and fine-tuning it, is free to use under the Apache 2.0 licence, even commercially. Partners already run it on a humanoid and a warehouse robot.
Runway · Original source (opens in a new tab)
Open source
IBM releases two preview Granite 4.1 models that read LLMON, a markup that keeps instructions apart from data (opens the original source in a new tab)IBM says the 3-billion and 8-billion-parameter models mostly ignore prompt injections, which are orders hidden in the data a model reads, while staying as capable as Granite 4.1 Instruct.
Research
MIT researchers find a way to build climate emulators, fast AI climate simulators, from far less data (opens the original source in a new tab)Emulators run in seconds, so scientists can test thousands of scenarios. Trained on a small set of carefully chosen synthetic data, the new ones predicted scenarios they had not seen, where older ones failed.
MIT News · Original source (opens in a new tab)
Trending
Lidar maps the ground by firing laser pulses through gaps in the trees. The author later learned researchers had already mapped the site, so the agents rediscovered it.
911 points on Hacker News
Pietro Miotti · Original source (opens in a new tab)
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