Meta's Watermelon ripens into a frontier model
Meta's new Muse Spark family (codename Watermelon) lands near the AI frontier, trailing only Claude Opus 5.5 in overall rankings. Here's what it means.
The Rundown AI8 min read
Artificial intelligence
31 stories
This AI factory builds tiny machines from code
Jeff Holden's Atomic Machines raises $250M to build tiny machines from code using an AI-guided factory. Plus: turn one product photo into three matching ads.
The Rundown AI9 min readMicrosoft's Jacob Andreou on AI's product gap
How Microsoft rebuilt the new Copilot with capabilities to address a growing gap in AI
The Rundown AI9 min readFired OpenAI safety researchers hit back
Fired OpenAI safety researchers push back after being dismissed for allegedly mishandling sensitive information. Plus: how to clean up a messy Excel report with Claude.
The Rundown AI8 min readAI's next frontier is the human cell
Mark Zuckerberg and Priscilla Chan's science nonprofit, Biohub, just expanded its $500M Virtual Biology Initiative into a $1.8B effort with the U.S., DeepMind, and Meta, pushing to collect enough data to train AI that can simulate living cells.
The Rundown AI8 min readOpenAI's math avalanche continues
OpenAI's math breakthroughs continue, with 700+ papers claiming to solve open problems. Plus: learn how to compare software websites with GPT-6 Astra in ChatGPT Work.
The Rundown AI8 min readThe 'DeepSeek of the West' finally has a model
The “DeepSeek of the West,” Reflection AI, debuts Beam as its first open model, challenging China’s dominance in open-weight AI after years of development.
The Rundown AI8 min readAn OpenAI safety insider calls the culture 'broken'
OpenAI safety lead David Robinson just quit after 3.5 years at the company, announcing his exit with an essay in The Atlantic that called OAI's culture “broken”, saying “the time for trial and error is over” when it comes to AI’s safety risks.
The Rundown AI8 min readTavus' AI looks, listens, and talks back live
Tavus' AI now sees, hears, and responds in real-time conversations. Plus: Learn whether ChatGPT's Dots feature worth a Pro upgrade.
The Rundown AI8 min readArgon aims to return Google to the frontier
Google just unveiled Gemini 4 Argon, the company’s new frontier model that tops both GPT-6 Astra and Claude Opus 5.5 on 13 of 19 benchmarks in Google's testing, though it’s rolling out only to select vetted cybersecurity teams.
The Rundown AI9 min readOpenAI connects the dots on always-on agents
OpenAI's new always-on agents power up DevDay with 20+ launches. Discover how Dots challenges Grok and Muse with frontier models backing them.
The Rundown AI8 min readAnthropic's mid-tier Claude climbs the rankings
Anthropic's Claude Sonnet 5.5 climbs the rankings with near-Opus performance at half the price, raising the bar of expectations for OpenAI's DevDay 2026.
The Rundown AI8 min readOpenAI's agents went rogue on Washington
Good morning, {{ first_name | AI enthusiasts }}, and welcome to our 9,410 new readers. OpenAI’s agents spent the summer loose on government websites, and newly disclosed details are raising fresh questions about how well the company can actually control its technology.
The Rundown AI8 min readMeta's Connect turns into a Muse takeover
Meta's AI assistant Muse expands beyond Connect with a new Charm keychain and AI glasses, bringing Meta's viral AI innovation to wearable devices.
The Rundown AI8 min readAnthropic's AI biology lab makes its first find
Anthropic's AI biology lab makes its first discovery, using Claude to identify an unfamiliar viral system that could revolutionize gene-editing research.
The Rundown AI8 min readThe pacing era's first launch day
Anthropic and OpenAI launch competing AI models 90 minutes apart, with Claude Opus 5.5 and GPT-6 variants reshaping the frontier in the pacing era.
The Rundown AI8 min readAmazon shuts out Meta's Muse
Meta’s Muse AI assistant climbed to the top of the U.S. App Store promising to run your digital errands, but now Amazon has slammed the door. Amazon says the agent browses without identifying itself and may store customer logins, allegations Meta disputes.
The Rundown AI8 min readOpenAI goes from hacker to hacked
OpenAI gets hacked while its own AI models were caught hacking. Plus: Build your own AI image skill pack in this week's briefing.
The Rundown AI8 min read
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