Mira Murati's AI lab Thinking Machines is reportedly in talks to raise $1 billion at a valuation of at least $40 billion, with existing investor Accel in discussions to lead. The figure is below the $50 billion the compa...
Abliteration.ai, incorporated in March, hosts and sells API access to open-weight models such as Z.ai's GLM-5.3 with their refusal behaviors removed via the "abliteration" technique, marketing the service for offensive c...
Reports indicate Nvidia is pursuing a $13 billion acquisition of Hugging Face, following its $6 billion deal with open-weight model builder Poolside and Stripe's $7 billion purchase of OpenRouter. The consolidation refle...
The mysterious open-weight model 'Ox Alpha', released anonymously on OpenRouter and quickly topping leaderboards, was confirmed to be the newest iteration of Z.ai's GLM series. Z.ai plans to publish the weights on Wednes...
Meta released Glimmer, an open-weight model users can download and run locally, while keeping its more capable Muse Spark model behind proprietary APIs. The release accompanied a 6,500-word letter from Mark Zuckerberg ar...
At the Ai4 conference in Las Vegas, Geoffrey Hinton, Fei-Fei Li, and Andrew Ng each argued against letting a handful of labs gatekeep AI, while disagreeing on how open model weights should be. Hinton distinguished open-s...
River AI, founded by xAI co-founder Igor Babuschkin, raised $1.1 billion in a seed/Series A led by General Catalyst and AMP PBC with participation from Nvidia, AMD Ventures, Y Combinator, and Temasek, just two months aft...
Meta released Muse Glimmer, a 30-billion-parameter open-weight model under Apache 2.0 designed to run multi-step AI agents locally on a single consumer GPU, supporting text, images, and over 100 languages. The release is...
A SaferAI evaluation found Z.ai's open-weight GLM-5.2 trails OpenAI's GPT-5.5 and Anthropic's Claude Opus 4.7 by only a few months on cyber and biology capabilities, yet refused none of the offensive cyber or dual-use bi...
Dario Amodei published a blog post denying industry rumors that Anthropic backs a ban on open-weight models, whether Chinese or general, calling non-dangerous open models a public good. He instead framed his concerns aro...
