TLDR 2026-05-04

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Meta has acquired a startup that is trying to build humanoid robots. Assured Robot Intelligence is a company at the frontier of robotic intelligence. Its team will join Meta to focus on optimizing models for robotics applications. Investors are skeptical of Meta's spending plans - the company's stock was down following the announcement of the acquisition.

SpaceX has so far spent more than $15 billion developing Starship. The company's capital expenditure surged nearly fivefold between 2024 and 2025 to $20.7 billion. Of that spend, $12.7 billion was directed at AI initiatives. Starlink is still the company's financial engine, making $11.4 billion in revenue in 2025.

ByteDance has entered the AI drug discovery race. The company's drug discovery unit, Anew Labs, recently presented its first AI-designed therapy at a major immunology conference. Its work targeted a protein-protein interaction long thought to be undruggable. The unit has published a generative model that it claims can design functional molecules across all scales.

Power access is incredibly important to tech companies' gamble on AI development. The US was always going to need more power investment to meet its next phase of economic growth and was already struggling to meet rising electricity demand well before the AI boom. The costs of the electricity gap are mounting as power becomes more important to the national economy. More of the US will have to permit the fast deployment of solar and batteries if they want to meet their own increasing electricity needs.

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Open Design is an open-source alternative to Claude Design. It uses the same loop and artifact-first mental model with none of the lock-in. Open Design is local-first, web deployable, and supports several coding agents. It behaves like a senior designer with a working filesystem, a deterministic palette library, and a checklist culture.

AI coding agents are extremely capable, but they have no instinct for the parts of the job that don't show up in the diff. Agents will skip the senior-engineering work unless you make it impossible to skip. The job increasingly is to encode discipline as something agents can't talk themselves out of. Skills are one way to do that. The senior-engineer parts of the job are no longer optional, even when the engineer is a model.

Sarah Friar was brought into OpenAI to give it the financial maturity needed to go public. Over the past few months, she has balanced the company's spending expectations and questioned the wisdom of spending even more money on data centers. It is up to Friar to pull off what could be one of the biggest IPOs ever. If she moves too slowly, OpenAI could fall behind and hit the market after Anthropic. Moving quickly risks stretching the business too far.

People think of the multi-agent future as analogous to our companies, just autonomous. However, AI agents are not like human agents, and the hub isn't just an equivalent of a human manager. If any of the subtasks are wrong, workers can be individually competent and the final answer will still be wrong. Markets work because people have local information that can't be easily shared.

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TLDR is looking for an engineer/researcher at a major AI lab or startup to help write for 1M+ subscribers. Our curators have been invited to Google I/O and OpenAI DevDay, scouted for Tier 1 VCs, and get early access to unreleased TLDR products. Learn more.

In-browser models are free and private, but they only work well if you can afford a decent device with a GPU.

Browsers and web development will change as large language models evolve.

Prompt engineering today is about making AI systems reliable when they have context, tools, memory, permissions, and real consequences.

Spec-writing is where the act of software engineering really happens.

Screenshots of the new design are available in the article.

People of all ages have cut back on the average number of hours spent scrolling on social media per day.