Reddit user builds Risograph illustration skill, tests GPT-6 Astra vs Fable 5.1

Speaking on the a16z show, OpenAI president and co-founder Greg Brockman argued developers have been "retooling the world" to make software accessible to AI agents, and that computer use offers a simpler path.

OpenAI is in early talks with investors about a new round valuing it at more than $1.2 trillion, ahead of an IPO. Bloomberg reports the discussions are preliminary.

Koa was post-trained on Nvidia's open-weight Nemotron 3 Super using a synthetic dataset drawn from nearly three decades of enterprise CRM deployments. It ships as an option in Salesforce's Agentforce platform, pitched as an open-weight alternative that uses fewer tokens and never ingests customer data.

OpenShell's dev note describes writing formal proofs with the open-source Z3 library that a policy change proposed by an agent stays inside what the operator approved. The team argues human supervision stops scaling once hundreds of agents run for hundreds or thousands of hours.

A Reddit user built a wrapper that renders Matrix-style digital rain in the terminal while the Claude CLI agent is busy. Run it as "matrix claude" with normal Claude parameters; source is on GitHub under Apache 2.0.