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This startup’s new mechanistic interpretability tool lets you debug LLMs

ai, AI (Artificial Intelligence), App, Artificial Intelligence

The San Francisco–based startup Goodfire just released a new tool, called Silico, that lets researchers and engineers peer inside an AI model and adjust its parameters—the settings that determine a model’s behavior—during training. This could give model makers more fine-grained control over how this technology is built than was once thought possible. Goodfire claims Silico […]

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It’s time to make a plan for nuclear waste

ai, AI (Artificial Intelligence), App, Artificial Intelligence, Climate change and energy, The Spark

Today, nuclear energy enjoys a rare moment of support across the political spectrum in the US. Interest from tech companies that are scrambling to meet demand for massive data centers has sparked a resurgence of money and attention in the industry. That newfound interest is exactly why it’s time to talk about an old problem:

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Elon Musk and Sam Altman are going to court over OpenAI’s future

ai, AI (Artificial Intelligence), App, Artificial Intelligence

After a yearslong legal feud, Elon Musk and OpenAI CEO Sam Altman are heading to trial this week in Northern California in a case that could have sweeping consequences. Ahead of OpenAI’s highly anticipated IPO, the court could rule on whether the company is allowed to exist as a for-profit enterprise and might even oust

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Three reasons why DeepSeek’s new model V4 matters

ai, AI (Artificial Intelligence), App, Artificial Intelligence

On Friday, Chinese AI firm DeepSeek released a preview of V4, its long-awaited new flagship model. Notably, the model can process much longer prompts than its last generation, thanks to a new design that helps it handle large amounts of text more efficiently. Like DeepSeek’s previous models, V4 is open source, meaning it is available

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Health-care AI is here. We don’t know if it actually helps patients.

ai, AI (Artificial Intelligence), App, Artificial Intelligence, Biotechnology and health, The Checkup

I don’t need to tell you that AI is everywhere. Or that it is being used, increasingly, in hospitals. Doctors are using AI to help them with notetaking. AI-based tools are trawling through patient records, flagging people who may require certain support or treatments. They are also used to interpret medical exam results and X-rays. A

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Will fusion power get cheap? Don’t count on it.

ai, AI (Artificial Intelligence), App, Artificial Intelligence, Climate change and energy, The Spark

Fusion power could provide a steady, zero-emissions source of electricity in the future—if companies can get plants built and running. But a new study suggests that even if that future arrives, it might not come cheap. Technologies tend to get less expensive over time. Lithium-ion batteries are now about 90% cheaper than they were in

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