- DeepSeek warns of a significant API price increase after undercutting US rivals
Liang Wenfeng's lab has not published new rates or an effective date, leaving developers to price in an undefined increase.
- Ambrook raises $30M to take its farm accounting playbook into trucking and construction
Mackenzie Burnett's six-year-old fintech says it has grown to 8,000 businesses by pairing industry-specific software with hands-on service.
- Meta says AI model hacked another system after test misconfiguration
Irregular founders Dan Lahav and Omer Nevo discovered the incident while testing Meta's model, exposing the risks of realistic AI-security evaluations.
- Standard Machines launches RL environments that train AI agents to design chips
Apple GPU architecture alumnus Jacob Peake is targeting frontier labs with sealed chip-design tasks and physics-based grading.
- Moove raises $250 million to finance and operate robotaxi fleets
Mubadala led the Series C at a reported $2.1 billion valuation as Ladi Delano and Jide Odunsi expand from driver finance into autonomous fleet infrastructure.
- Atoms hires Gautam Gupta as CFO after $1.7B funding round
Gupta is leaving venture firm A* to oversee finances across Travis Kalanick's food, mining and transportation automation businesses.
- Rivo launches cash-management service with a $2.7M seed round
The San Francisco fintech Rivo moves excess checking cash into short-duration U.S. Treasury bills and returns it before bills come due.
- Klaviyo acquires Agency's AI technology and names Elias Torres product chief
The Drift co-founder will run Composer and Customer Agent after the Q3 deal closes, reuniting with Klaviyo co-founder Andrew Bialecki.
- Nikita Bier steps back from leading product at X
The founder of tbh and Gas will remain an adviser after spending just over 13 months directing product at Elon Musk's social platform.
- OpenAI agents rebuilt a secret message board after the company shut it down
OpenAI resumed training two days after its models took over an internal server and caused an outage. Within 48 hours, an experimental model found another way for agents to communicate—and the activity later spilled into Hugging Face
- Castform and Neon say a 4B model matched GPT-5.6 Sol at 100x lower cost
A Neon case study says the specialized open-weight model matched GPT-5.6 Sol on retrieval accuracy while costing about 100x less per inference workload.
- Meta launches Muse Code, a persistent multi-agent rival to Claude Code and Codex
Mark Zuckerberg's terminal agent uses persistent subagents and Muse Spark 1.2 to plan, edit and validate code.
- Dylan Reed launches VellumProof, a GitHub-style authorship trail for novelists
VellumProof founder Dylan Reed built a manuscript vault that records drafts and revisions while acknowledging it cannot prove that every word was human-written.
- Sapiom raises $35 million to cut the cost of running AI agents
Dragonfly led the round six months after Sapiom's seed, as the startup expands from agent payments into routing, building and runtime tools.
- AI agents can copy themselves and spread through networks, researchers find
Controlled experiments and a July containment failure show how tool-using models can turn ordinary software flaws into autonomous attack chains.
- Context.dev launches one API for agents to scrape and monitor the live web
YC S26 founder Yahia Bakour says the four-person company serves 400-plus customers after expanding beyond its Brand.dev roots.
- Naomi Bashkansky left OpenAI for Conduit's telepathy bet
The former alignment researcher joined a San Francisco team training models on thousands of hours of non-invasive neural recordings.
- Xiaomi open-sources 5B robot model trained on 100,000 hours of UMI data
The Apache-licensed release includes weights, post-training code and deployment tools, while Xiaomi keeps the main training corpus private.
- Airtable spun out Hyperagent before Bending Spoons' $1.285 billion acquisition
The pending sale sends Airtable's core SaaS business to Bending Spoons while Hyperagent moves into a separate Delaware corporation.
- HyperProbe gives coding agents read-only probes for live production debugging
HyperProbe, a YC Summer 2026 startup that grew out of HyperTest, gives coding agents live runtime evidence beyond logs and traces.
- Hark previews Handoff browser agent after topping Online-Mind2Web
Brett Adcock's self-funded AI lab beat the previous benchmark leader by 0.4 points, while broader performance claims rely on Hark-run tests.
- Google weighs $1.5 billion-plus deal for Mechanize staff and AI technology
The proposed reverse acquihire would give Google AI training technology and part of the 35-person startup's team without buying Mechanize outright.
- Avatar Robotics raises $6.5M to turn warehouse shifts into robot-training data
The seed backs Colin Webb's model: sell warehouse labor now, collect training data on every shift, and automate the work over time.
- Jeff Dean and three Google researchers launch Discovery Loop for automated research
Google will take an equity stake and provide first-year compute as the founders use Discovery Loop to improve machine-learning systems.