The Daily Index — Tuesday, September 22, 2026 · TLDR Index

BIG TECH & STARTUPS

TLDR

TLDR

GOOGLEBOOKS LAUNCH OCTOBER 4 STARTING AT $899—HERE ARE THE FIVE MODELS YOU CAN PREORDER TODAY

Google's new Android-powered Googlebooks laptops are intended to be 'real' computers with premium hardware, on-device apps, and powerful development tools. The first Googlebooks are now available from several OEMs. While Chromebooks were mostly budget machines, Googlebooks are priced much higher, with only one model under a grand. AI is a core part of the Googlebooks experience - Gemini models are going to be deeply integrated with the software.

arstechnica.com · 15 min

TLDR

SPACEXAI RELEASES GROK 4.7 FOR CODING AND KNOWLEDGE WORK

SpaceXAI has released Grok 4.7, a model for coding and knowledge work. Access is now open in Cursor, Grok Build, the Grok API, third-party coding harnesses, model routers, and cloud platforms. Pricing starts at $2 per million input tokens and $6 per million output tokens. There is a 'fast' variant that offers twice the output speed at twice the price.

testingcatalog.com · 2 min

TLDR

A ROCKET SUPPLY CRUNCH IS MAKING IT HARDER TO HITCH A RIDE TO SPACE

Many rockets under development are behind schedule. Prices for many missions are rising. SpaceX is winding down the Falcon 9 to focus on its new Starship vehicle. The company has stopped selling missions where several companies share space on a Falcon 9. Launch demand is set to outstrip supply at least through the end of the decade.

links.tldrnewsletter.com · 7 min

TLDR

AGILITY ROBOTICS: INSIDE THE FIRST US HUMANOID COMPANY TO GO PUBLIC

Agility Robotics is going public through a merger with Michael Klein's Churchill Capital XI at a $2.5 billion pre-money valuation. The company's robots are deployed in a few places today and can do tasks such as moving totes, feeding lines, and tending machines. Its Digit v5 robot will be out later this year. The new robot will be able to work alongside humans rather than in a cage/workcell. It will also support fast charging, a higher payload, and swappable end effectors.

tanayj.com · 7 min

TLDR

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span.app

TLDR

JEV INTRODUCES A NEW SHAPE OF LLM—SYSTEM ONE, AKA DECISION MODELS

Jev is a new category of model called 'System One models' that accepts text inputs, but only returns floating point numbers corresponding to categories, yes/no questions, ratings, and associated confidence scores. It is fast and really cheap - output is free, and input is $0.042 per million tokens. The model was released just under a week ago, but the amount of activity around it has been extremely impressive.

simonwillison.net · 5 min

TLDR

A SUMMER OF AI OPTIMIZATION

Several open source projects recently started running faster due to being optimized with the help of AI. The techniques used to optimize these projects were well known. However, it is likely developers never tried them because it would be too risky. AI has made it cheap to try new ideas.

lemire.me · 5 min

TLDR

PRODUCT MANAGER, APPLIED AI AT TLDR ($200K BASE + $60K BONUS, FULLY REMOTE)

TLDR is hiring its first PM to help build the agent-first operating layer used across the company. We're looking for a builder who has shipped real products/systems with LLMs. Click here to learn more [13].

jobs.ashbyhq.com