Tuesday, September 29, 2026

• Today 0:03
• Models 0:17
• Ai safety 1:23
• Quick hits 2:12
• Recap 2:44

In this episode

• Anthropic releases Claude Sonnet 5.5

  anthropic.com

• OpenAI says it will not release GPT-6.1 Astra

  cnn.comcbsnews.com

• Reports detail Anthropic’s IPO prospectus

  Reuters (original)TechCrunch (quotes FT)