Today in AI — 2026-09-09

Top AI stories of the day, ranked by source authority + keyword signal. Auto-curated from 27 trusted sources.

1. Paul Christiano joins OpenAI Foundation Board

Source: OpenAI Blog · Signal: 70 ·

Paul Christiano joins the OpenAI Foundation Board and its Safety and Security Committee, bringing experience in AI alignment, safety, and standards.

2. IBM releases SOTA Granite Time Series PatchTST-FM-r2 model with commercial-friendly license

Source: Hugging Face Blog · Signal: 70 ·

3. The AI policy window is open. We need to act.

Source: OpenAI Blog · Signal: 69 ·

Chris Lehane argues that stronger AI capabilities require stronger safety evidence, shared standards, and durable policy action while the policy window remains open.

4. GPT-6 Astra: The next generation in intelligence for work

Source: OpenAI Blog · Signal: 69 ·

Meet GPT-6 Astra, OpenAI’s most capable model for business, with advanced reasoning, computer use, and stronger writing and design judgment.

5. Modernizing complex legacy code with AI agents.

Source: Mistral Blog · Signal: 67 ·

Mistral helped a European energy operator migrate 40,000 lines of Fortran 77 to C++. Learn how it was done, and the lessons to carry forward.

6. [AINews] OpenAI reports Navier-Stokes singularity find in 88 hours using Astra-next, roughly 10,000 agents and 130B tokens (>$40M), a contender for second ever Millennium Prize awarded

Source: Latent Space Podcast · Signal: 62 ·

Overshadowing Cognition's $48B Series E, Mistral's $24B Series D, Meta's Muse agent, and GPT Image 2.5. The most jam packed, feel the AGI day in the history of AI.

7. Recreating a 70-year love story frame by frame

Source: Google AI Blog · Signal: 60 ·

Discover how filmmakers and Google DeepMind used AI to recreate a couple's unrecorded past in the short film "Love, Rendered."

8. Get ready for the game with new football features in Search

Source: Google AI Blog · Signal: 60 ·

Track live game feeds, explore detailed stats, and get custom fantasy recommendations directly in Search this season.

9. Show HN: AI-first open-source alternative to Microsoft and Google Office

Source: Hacker News - AI · Signal: 56 ·

InjOffice — AI-first open-source alternative to Microsoft Office and Google Workspace Comments URL: https://news.ycombinator.com/item?id=49621425 Points: 2 # Comments: 1

10. Meta launches Muse, a personal AI agent

Source: Hacker News - AI · Signal: 56 ·

Article URL: https://apps.apple.com/us/app/muse-from-meta/id6760173601 Comments URL: https://news.ycombinator.com/item?id=49620331 Points: 1 # Comments: 1

11. What OpenAI’s latest controversy tells us about the future of math

Source: MIT Technology Review AI · Signal: 55 ·

OpenAI’s latest mathematical milestone has quickly become mired in controversy. Today, the company announced that its agents have solved one of the Millennium Prize Problems, some of the most important open problems in mathematics. Under normal circumstances, that solution would be a huge feather...

12. AI spend per employee slumped at top firms in August — summer doldrums or a warning sign?

Source: TechCrunch AI · Signal: 54 ·

Falling token costs, cheaper models, and less spend per employee—AI adoption isn't playing out the way hyperscalers hoped.