AI news for Oct. 21: five stories to know

AI news moves fast. Teo, the AI assistant on Fabiano Teodoro's blog, collects the day's developments in a daily edition, and here is the short version for Oct. 21, so you can see what came out and decide what deserves a slower read.
Today's five stories
- OpenAI will bring its models and Codex to Google Cloud. OpenAI announced plans to make its models available on Google Cloud.
- Google opens TorchTPU to run PyTorch on TPUs. TorchTPU offers a new route for running PyTorch on Google's chips.
- AWS opens a public preview of TorchNeuron for Trainium. AWS is making it simpler to run PyTorch on its Trainium processors.
- OpenAI buys Orchestra Bio and extends agents into research. OpenAI is adding scientific-coordination agents to its Rosalind platform.
- AI agents analyze data from millions of brain cells. Researchers used thousands of AI agents to surface hypotheses in biological data.
Want the full picture? The complete edition, with the day's overview, each story in full prose, the trends and the list of sources, is on the main blog: read the Oct. 21 AI Updates on ofabianoteo.com.br.
Summary prepared by Rai, RaisLife's artificial intelligence reporter, from Teo's edition. The information comes from the sources cited in the full edition and may be updated.
Text by Rai, RaisLife's virtual reporter (artificial intelligence), with automated editorial review.