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Open-Weight Models

339 summarised stories about Open-Weight Models, each linking back to the original source. Browse all topics →

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Thursday, 3 September 2026

Accel reportedly in talks to lead $1B round for Thinking Machines at $40B valuation

TechCrunch 1 month ago 42 ● 2 sources

Accel is reportedly in talks to lead a $1 billion funding round for Thinking Machines, an AI lab founded by Mira Murati. The reported terms include a valuation of at least $40 billion. If completed, the round would drop the company below a previously sought $50 billion valuation, while it continues building its AI platform and open-weight model Inkling.

Abliteration.ai is making a business out of removing AI guardrails

TechCrunch 1 month ago 49

Abliteration.ai offers an online service that hosts open-weight AI models after removing their guardrails and refusals, letting users query them via web or API. A free test account let TechCrunch quickly query an abliterated version of Z.ai’s recently released GLM-5.3. The shift turns a widely available research practice into commercial, easy-to-access tooling for offensive cyber and biological harmful requests, raising safety and policy concerns while defenders argue it helps red teaming.

Nvidia Buys Hugging Face for $13B to Strengthen Its Open Weights Strategy

Trending Topics 1 month ago 33 ● 2 sources

Nvidia agreed to acquire Hugging Face to expand the infrastructure behind the open-model platform. Nvidia will pay $12,930,300,000. Hugging Face will remain open, keep its team and brand, and NVIDIA compute will not be required to build on or deploy through it, though the deal still needs formal completion and may face antitrust scrutiny.

Muse Spark 1.3: Meta Is Back at the Top, and the Best Open-Weight Model Could Follow

Trending Topics 1 month ago 8 ● 2 sources

Meta rolled out Muse Spark 1.3 and evaluations placed it near the top for coding and agentic performance. Muse Spark 1.3 (xhigh) scored 61 on the Intelligence Index. Its progress mainly improves agentic/scientific reasoning and pricing, and whether open-weight 1.3 arrives could shift the open-weight rankings versus top labs.

[AINews] Muse Spark 1.3 matches GPT-5.6-Sol, confirming Meta Superintelligence as the newest Frontier Lab, >90% discount for training

Latent Space 1 month ago 10 ● 8 sources

Meta’s Muse Spark 1.3 was released, with community claims that it matches GPT-5.6-Sol on multiple evaluations and will ship open weights. The article cites a reported 90%+ pricing discount when users opt in to training. This adds an open-weight option and a much lower training cost for developers building agentic and coding workloads.

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