not a company — Tiago's Bookmarks

#9 · River AI raises $1.1bn for user-owned models

Thu, 13 Aug 2026 04:42:05 +0000

Igor Babuschkin's River AI has $1.1bn to hand model ownership back to users, and it lands the same day xAI ships Grok Bot — agents with their own computers, working your tools around the clock. The bet on both sides is that the scarce thing is no longer the model but the labour it replaces.

Cool Company Raises

Hemlock launches at YC (Fall 2026) — YC F26 — Force-sensing wristband for training robotic AI
Simulithic launches at YC (Fall 2026) — YC F26 — Simulate how any product change will perform before shipping.
TryNearby launches at YC (Summer 2026) — YC S26 — Local creators for local businesses
Moving Atoms launches at YC (Summer 2026) — YC S26 — Virtual Reality for Robots (World Models)
Tenor launches at YC (Summer 2026) — YC S26 — Turn every employee into a manager of AI workers
River AI raises a $1.1B round — $1.1B — River AI is a full-stack AI company founded by xAI co-founder Igor Babuschkin. The company focuses on building powerful personal AI and providing tools for developers and...
Soctera raises a $4.0M Seed round — $4.0M — Soctera builds power amplifiers that extend the range, fidelity, and reliability of modern systems that detect threats and carry critical communications. From defense radar and...
Pathway raises a $30.0M Seed round — $30.0M — Pathway is building live AI systems that think and learn in real-time as humans do. Underpinned by the fastest data processing engine on the market and an AI framework, it lays...
Silicon Data raises a $30.5M Series A round — $30.5M — Silicon Data is on a mission to revolutionize compute markets through unparalleled data transparency. As pioneers in the field, Silicon Data is dedicated to developing...

Interesting

Introducing Grok Bot — Grok Bot is your team of always-on agents. They have their own computer, work inside tools and apps like you do, and keep working 24/7.

#8 · Skild AI raises $1.4bn for robotics foundation model

Wed, 12 Aug 2026 04:42:14 +0000

Skild's $1.4bn Series C bets that robot foundation models will scale the way language models did, while the day's tooling concedes that agents mostly don't behave: Docker is now selling microVM isolation for Claude Code and Codex, and Meta's open 30B is explicitly tuned for failure recovery. Cheap robots, expensive containment.

Cool Company Raises

Ranchbot Monitoring Solutions raises a $15.0M Series B round — $15.0M — Ranchbot Monitoring Solutions is the leading provider of remote water monitoring solutions for ranchers. They focus on building relationships with ranchers, educational...
EarthGrid PBC raises a $52.8M round — $52.8M — Earth Grid Pbc announced it raised $52.8 Million in an initial filing from an offering of $57.6 Million
Safe Pro Group raises a $5.0M round — $5.0M — Safe Pro Group Inc. is a leading provider of artificial intelligence solutions specializing in drone imagery processing. The company focuses on developing novel threat detection...
Skild AI raises a $1.4B Series C round — $1.4B — Skild AI is an AI robotics company focused on building a scalable foundation model for robotics. They are breaking the data barrier in robotics by training their model on a...
Checkerspot raises a $27.4M round — $27.4M — Checkerspot is a pioneering biotechnology company and Certified B Corporation™ that develops high value triglyceride fats and oils not easily or sustainably sourced from nature,...
Financial Datasets launches at YC (Summer 2026) — YC S26 — Connect your agent to the stock market

Dev Tools

Docker Sandboxes | Sandboxes for Coding Agents | Docker — Secure sandboxes for Claude Code, Gemini, Codex, and Kiro. Run coding agents with microVM-based isolation.
Muse Glimmer | Meta — An open 30B model for always-on local agents. Runs on a single GPU, Apache 2.0 licensed. Tuned for tool use, long tasks, and failure recovery.

#7 · Niron Magnetics raises $150m for rare-earth-free magnets

Tue, 11 Aug 2026 04:42:10 +0000

Iron nitride magnets, micro data centres built for orbit, a sovereign Starlink and embodiment-agnostic robot brains: four of today's five raises need a factory, and Niron's $150m is the only cheque large enough to buy one. The lone software company in the batch collects debts.

Cool Company Raises

Pacific launches at YC (Summer 2026) — YC S26 — Micro data centers for the harshest places on Earth and in space.
Audun launches at YC (Summer 2026) — YC S26 — AI-native debt collection
Niron Magnetics raises a $150.0M round — $150.0M — Niron Magnetics is developing the world’s first advanced manufacturing process for the mass production of permanent magnets powered by its breakthrough material formulation....
Neuromorphic launches at YC (Summer 2026) — YC S26 — Building embodiment agnostic robot brains.
Exosat launches at YC (Summer 2026) — YC S26 — Building a sovereign Starlink

#6 · LMArena raises $150m to benchmark AI models

Mon, 10 Aug 2026 04:42:12 +0000

A $150m Series A for a leaderboard is a bet that nobody trusts their own evals, and Uber open-sourcing the agent security tooling it runs in production makes the same point from the other end. Models ship freely now; knowing whether they behaved is the scarce part.

Cool Company Raises

herdr launches at YC (Fall 2026) — YC F26 — building the open agent runtime
Solo Labs launches at YC (Summer 2026) — YC S26 — Coding Agents
LMArena raises a $150.0M Series A round — $150.0M — LMArena is an open community platform for evaluating AI models, aiming to bring scientific rigor to AI reliability. It provides a neutral, reproducible infrastructure that...
Malachyte raises a $10.0M Seed round — $10.0M — Malachyte is a behavior intelligence company co-founded by a team from Spotify, specializing in advanced personalization for e-commerce. Their technology leverages behavior...

Dev Tools

uber/ADR: ADR secures enterprise AI agents through observability, security benchmarking, and threat detection. Deployed at Uber. — ADR secures enterprise AI agents through observability, security benchmarking, and threat detection. Deployed at Uber. - uber/ADR
PrimeIntellect-ai/prime-agent: Prime Agent is a self-improving RLM agent that can be used for coding workflows, or even long-running autonomous tasks. — Prime Agent is a self-improving RLM agent that can be used for coding workflows, or even long-running autonomous tasks. - PrimeIntellect-ai/prime-agent
Click | Give your agent more than web search — Click MCP provides context beyond search results - from LinkedIn reactions to YouTube transcripts to live flight fares.
DeltaDB — Sign up for early access to continuous source control and review.
Prime Intellect - The Open Stack for Self-Improving Agents — The compute and infrastructure platform for you to train, evaluate, and deploy your own agentic models.
Discovery Loop — Continuous Exploration — Discovery Loop is building AI systems that automate the experimental loops of science and engineering. Continuous Exploration.

Interesting

Why Is Everyone In Tech So Sad? - NOEMA — Work has never been able to provide people with the kind of value that a vocation, spiritual belief system or community once did. But AI might change that.
Mario meets Pareto — Discover how to find the best Mario Kart 8 build using the Pareto frontier method. This interactive guide explores multi-objective optimization of speed, acceleration, and other...
Aristotle’s Top 25 Quotes on Virtue & Joy — Explore Aristotle’s timeless insights on virtue, knowledge, and happiness. These 25 quotes offer wisdom for a thoughtful and fulfilling life.

#5 · Aurelius raises $40m for anti-drone laser weapons

Fri, 07 Aug 2026 04:42:20 +0000

Most of today's raises buy instruments rather than software: smart balloons in the stratosphere, radar satellites, subsurface models for geothermal drilling, and a scanner that photographs your entire skin. Meanwhile YC's newest cohort shipped two more trading terminals, which suggests the contested frontier is measurement, not the transaction layer built on top of it.

Cool Company Raises

Forward launches at YC (Fall 2026) — YC F26 — Unifying Global Private Credit
Arbital launches at YC (Summer 2026) — YC S26 — The trading terminal for perps, memes, and stocks.
WindBorne Systems raises a $37.0M Series B round — $37.0M — Global sensing for better weather forecasts. WindBorne designs, builds, and operates a constellation of long-duration smart weather balloons targeting the most critical data in...
Integrated Biosciences raises a $68.4M round — $68.4M — Integrated Biosciences is a biotechnology company specializing in synthetic biology and machine learning to develop advanced therapeutics for age-related diseases. Founded in...
Aurelius Systems raises a $40.0M Series A round — $40.0M — Aurelius Systems is developing autonomous laser weapons to counter modern drone threats. Based in San Francisco, the company fuses advanced optics, AI-guided tracking, and...
Zanskar raises a $6.0M Seed round — $6.0M — Zanskar's mission is to make geothermal power the most affordable form of widely-deployable, 24/7, carbon-free energy generation on the planet.
SkinBit raises a $6.0M Pre-Seed round — $6.0M — SkinBit raises $6M in a Pre-Seed round led by Boost VC, Cleo Capital, Manna Ventures, and Profluent Capital to develop full-body skin scanning technology.
ICEYE US announces a funding round — ICEYE US is a leader in persistent Earth monitoring with radar satellite imaging.

#4 · Anthropic raises $36bn in single round

Thu, 06 Aug 2026 04:42:20 +0000

Anthropic's $36bn is underwritten by the thesis the day's reading spells out — Karpathy's autoresearch agents, Lilian Weng on harness engineering — that a model can improve the pipeline producing its successor. The $2.1bn going to Base Power, Beta and Sunrun is the same bet, placed on the power supply.

Cool Company Raises

Agent FM launches at YC (Summer 2026) — YC S26 — One group chat to hear and steer your coding agents.
Beta Technologies raises a $830.0M round — $830.0M — BETA Technologies is an electric aviation company based in Burlington, Vermont. Founded in 2017, BETA is working to change the paradigm of how we transport goods and people by...
Delightree raises a $25.0M round — $25.0M — Delightree is an all-in-one franchising technology platform built for emerging franchise brands to scale efficiently without compromising their brand promise, enabling faster...
Claryx raises a $3.5M Seed round — $3.5M — Claryx is a genomic intelligence company focused on preventing hospital outbreaks. It is developing an immune system for hospitals that detects transmission in real-time and...
Polymarket raises a $1.0B round — $1.0B — Polymarket is the world’s largest prediction market where traders predict the outcome of future events and earn rewards for being right. Market forecasts span politics, current...
Clearjet raises a $24.3M round — $24.3M — Clearjet is an end-to-end express delivery network infrastructure + operating system utilizing the US commercial airlines for ecommerce delivery. Clearjet zone skips packages to...
Anthropic raises a $36.0B round — $36.0B — Learn the critical role of AI & ML in cybersecurity and industry specific case studies. Watch on-demand sessions today.
Ambrook raises a $30.0M Series B round — $30.0M — Ambrook's mission is to build a more prosperous and resilient future for America's family-run businesses. We're starting with accounting tools to help businesses manage...
Sunrun Inc. raises a $267.0M round — $267.0M — Sunrun is a United States-based provider of residential solar electricity and solar power services for homeowners.
Base Power raises a $1.0B Series D round — $1.0B — Base Power raised $1B in Series D funding at a $13B valuation, bringing total funding to over $2.5B. The Austin-based company installs home battery systems in customers'...

Interesting

karpathy/autoresearch: AI agents running research on single-GPU nanochat training automatically — AI agents running research on single-GPU nanochat training automatically - karpathy/autoresearch
Harness Engineering for Self-Improvement — The concept of recursive self-improvement (RSI) dates back to I. J. Good (1965), where he defined an “ultraintelligent machine” as a system that can surpass humans in all...

#3 · K2 Space raises $500m Series D for large satellites

Wed, 05 Aug 2026 04:42:14 +0000

$810m went to satellites and critical minerals today; $1.5m went to helping brands rank inside ChatGPT's answers. The ratio is the point — with wind and solar now outrunning fossil fuels in Germany, the marginal AI dollar has moved to the power, metal and orbit the models will eventually sit on.

Cool Company Raises

Profound raises a $1.5M Seed round — $1.5M — Profound is the first analytics platform built to help enterprise brands understand and enhance their presence in AI Search environments like ChatGPT and Perplexity. As hundreds...
Mariana Minerals raises a $310.0M round — $310.0M — Mariana Minerals is a software-focused mining startup co-founded by Turner Caldwell, Baker Tilney, and Juan Lozano. The company aims to revolutionize the mining sector by...
K2 Space raises a $500.0M Series D round — $500.0M — K2 Space Corp. is a Torrance-based space satellite company that aims to develop large satellites capable of generating 20 kilowatts of power at a competitive pace and cost....

Dev Tools

Profound | AI Answer Engine Optimization — Profound helps brands gain visibility in AI-generated answers, optimize their presence in LLM-based answer engines, and stay competitive in the zero-click world.
exe.dev - ssh exe.dev — Build apps or SSH into a persistent Linux VM. ssh exe.dev.
ClickHouse — ClickHouse is a fast open-source column-oriented database management system that allows generating analytical data reports in real-time using SQL queries

Interesting

Don't be a meat proxy
LLMs reward expertise
Wind and solar overtake fossil fuels in Germany for the first time ever — More of Germany's electricity came from wind and solar power than from fossil fuels for the first time ever in 2025, according to Carbon Brief's ...

#2 · Seven YC startups launch, including air defense as a service

Tue, 04 Aug 2026 04:42:20 +0000

Four of today's seven YC launches sell into things that fail loudly: air defense, chip design environments, federal case backlogs, hosting you'd rather not have hacked. The trading-card investment platform is the batch's lone consumer holdout, and the only priced round goes to Density, $17m to count people in offices.

Cool Company Raises

Caution launches at YC (Summer 2026) — YC S26 — Hosting platform for software you don't want to get hacked
CarSignal launches at YC (Summer 2026) — YC S26 — The Smart Operating System for Auto Shops.
IMPACT Drones launches at YC (Summer 2026) — YC S26 — Air defense as a Service.
Standard Machines launches at YC (Summer 2026) — YC S26 — Environments For Chip Design
tash launches at YC (Summer 2026) — YC S26 — The investment platform for sports & trading cards
Amorphic Labs launches at YC (Summer 2026) — YC S26 — Agentic, Personalized Product Demo Videos for Sales
Density raises a $17.0M Seed round — $17.0M — Density is the leading space analytics platform for measuring building and workplace performance. We are on a mission to measure and improve our footprint on the world. To learn...
Stratum Industries launches at YC (Summer 2026) — YC S26 — AI agents that clear the U.S. government backlog.

#1 · $2.1bn for atoms, 36% for the agents

Mon, 03 Aug 2026 08:42:03 +0000

Antora, Antares, K2 and Agility took in roughly $2.1bn between them today, all of it for machines that must obey physics. HANDBOOK.md, meanwhile, finds the best frontier agent honours a written company policy on 36% of tasks — the atoms are outpacing the paperwork.

Cool Company Raises

Lambda Robotics launches at YC (Fall 2026) — YC F26 — Robotics for AI Infrastructure
BON Credit raises a $3.5M Seed round — $3.5M — BON Credit is an AI platform focused on Generation Z credit and debt management. It aims to transform the $18 trillion U.S. consumer credit market by providing innovative...
Antora Energy raises a $550.0M Series C round — $550.0M — Antora is transforming industrial energy with its factory-built thermal batteries that store and deliver reliable, low-cost, and zero-carbon heat and power for industrial...
Lydian raises a $43.0M Series A round — $43.0M — Founded in 2021, Lydian is addressing more than 10% of global greenhouse gas emissions by creating the fuels, plastics, and other chemicals we need out of carbon dioxide and...
Function raises a $450.0M round — $450.0M — Function is a platform that provides patients with access to over 100 lab tests at a single annual cost of $499. It aims to remove barriers around extensive lab testing and...
K2 Space raises a $500.0M Series D round — $500.0M — K2 Space is developing a high-powered, low-cost satellite bus platform that delivers the capability of exquisite satellites at the price point and speed of small satellites....
Wildfire Water Solutions raises a $8.0M round — $8.0M — Wildfire Water Solutions is a company dedicated to delivering critical water networks and cutting-edge technology to combat catastrophic wildfire events. Focused on both...
Executor launches at YC (Summer 2026) — YC S26 — The open source integration management layer for AI.
Stoa launches at YC (Summer 2026) — YC S26 — The market behind AI hardware.
Kara launches at YC (Summer 2026) — YC S26 — Making diamond an engineering material
OpenVector launches at YC (Summer 2026) — YC S26 — AI that turns any camera into an active operator with real-time vision
Atlia launches at YC (Summer 2026) — YC S26 — We are the AI-native property management company
FAST Metals raises a $4.3M Seed round — $4.3M — FAST Metals is a mining technology company specializing in the recovery of base and rare materials from red mud waste. Its patented technology platform enables the extraction of...
Grip launches at YC (Summer 2026) — YC S26 — Physical AI for waste management
Decawork launches at YC (Summer 2026) — YC S26 — The Agent Control Plane for IT teams
Applied Electrodynamics, Inc. launches at YC (Summer 2026) — YC S26 — A new kind of camera that can see through walls.
Antares Nuclear raises a $470.0M Series C round — $470.0M — Antares is building compact nuclear microreactors to deliver reliable, mobile energy where it’s needed most—remote military bases, austere industrial sites, and eventually deep...
Excedr raises a $25.0M round — $25.0M — Excedr, Inc. is a scientific equipment leasing company founded in 2011, providing operating lease solutions and ongoing support for critical laboratory instrumentation. It...
NEXTPredict.io raises a $3.0M Seed round — $3.0M — NEXTPredict is a premier media and conference organization that hosts the world's first global B2B prediction markets conference. With over 13 years of experience and more than...
Throne Science raises a $10.0M Series A round — $10.0M — Throne Science is a company specializing in smart toilet sensors that monitor gut health, hydration, and urinary function. Founded in 2023, it aims to provide consumers with...
Array Labs raises a $21.0M Series A round — $21.0M — Array Labs is an advanced aerospace company developing the satellites, sensors, and software required to deliver the first real-time, high-fidelity 3D map of Earth. Its...
Spur Intelligence raises a $200.0M round — $200.0M — Spur Intelligence delivers the highest-fidelity IP intelligence available to detect anonymized, proxied, or otherwise obscured internet traffic. Their platform empowers...
Orange announces a funding round — About OrangeRedwood City, CA-based Orange is an electric vehicle charging solutions provider at multi-unit properties led by technology entrepreneurs and electrical experts.
Agility Robotics raises a $620.0M round — $620.0M — Headquartered in Corvallis, Oregon, Agility Robotics makes robots that are made for work. Agility marries design, software, and hardware to build robots capable of doing...
Gutgutgoose launches at YC (Summer 2026) — YC S26 — AI training infrastructure via custom probiotics
AndrenaM raises a $18.0M Series A round — $18.0M — AndrenaM is a startup that uses artificial intelligence to analyze sonar data and deliver real-time insights to secure oceans. Founded by former SpaceX engineers, the company...
Pilot Protocol raises a $4.5M Seed round — $4.5M — Pilot Protocol is building an internet for agents, enabling AI agents to communicate and collaborate effectively. Launched from stealth, the company aims to redefine how agents...
Safe Superintelligence raises a $3.0B round — $3.0B — Safe Superintelligence is an artificial intelligence research lab focused on developing safe AI systems. Co-founded by OpenAI’s former chief scientist Ilya Sutskever, the...
Dock launches at YC (Summer 2026) — YC S26 — Multiplayer agent workspace that grows your company without growing…

Dev Tools

Executor — The gateway to connect your agent to everything — One place every agent plugs into every tool you already use. Wire it up once, bring the whole team.
Robynn AI — Give your website a goal and put it on Auto Loop. Robynn audits, recommends, and ships approved improvements every week using your brand and analytics.
Estera - AI Receptionist That Answers Calls & WhatsApp 24/7 — AI agent receptionist that answers every call and WhatsApp message 24/7, qualifies leads, and books appointments automatically. Assistant built for real estate, hotels,...

Interesting

Why Is Everyone Trying to Build a Solid-State Battery? — A battery technology that’s getting a lot of attention is solid-state batteries, lithium-ion batteries that replace the liquid electrolyte with a solid material.
HANDBOOK.md: A Benchmark for Long-Context Agentic Instruction Following — Language-model agents are increasingly deployed under standing instructions: a system prompt, a policy file, or a skills document is placed in context, and the agent is trusted...