Monday, October 26, 2026

GPT-6.1 Terra (opens openai.com)

The successor to GPT-5.6 Terra, OpenAI's middle-tier model, costs around 50% less while handling computer-use tasks faster and more accurately.

Three new discoveries in mathematics, computer science, and physics (opens openai.com)

OpenAI says its models contributed to new results in mathematics, computer science and physics, including a preprint arguing the Exponential Time Hypothesis is false.

Anthropic S-1 (opens sec.gov)

Anthropic has filed for an IPO; the filing shows soaring revenue, mounting losses, major enterprise adoption and an unusual governance structure designed to preserve founder control and its safety mission.

Concerning behavior from a popular open-weight AI model (opens cohere.com)

Cohere says an Alibaba Qwen model said it would not use tools, then tried to send a file to a server in Beijing; researchers say it is probably a training quirk.

Microsoft offers mass buyouts for roughly a quarter of its workforce (opens seattletimes.com)

GeekWire reports the offer goes to about 60,000 employees in the US, Canada, the UK and India, with no age or tenure requirement and a package equal to standard severance.

Sebastian Raschka's from-scratch video course on building reasoning models (opens magazine.sebastianraschka.com)

Show HN: Hob - Open-source, on device alternative to Claude Cowork and ChatGPT (opens github.com)

Hob is a free, MIT-licensed desktop app for Mac, Windows and Linux that works on your files like the Claude and ChatGPT apps, with the model running locally.

Cross-request KV cache exposure in the GLM-5.3 Workers AI model (155 responses) (opens blog.cloudflare.com)