The Daily Index — Thursday, July 10, 2025 · TLDR Index

Across today’s newsletters

Today’s Index

TLDR

XAI GAVE US EARLY ACCESS TO GROK 4 - AND THE RESULTS ARE IN

According to new benchmark tests, Grok 4 is now the leading AI model. Grok 4 is a reasoning model that costs $3 per million input tokens and $15 per million output tokens. It is expected to be available via the xAI API, the Grok chatbot on X, and potentially on Microsoft Azure AI Foundry. xAI's API serves Grok 4 at 75 tokens per second, which is slower than OpenAI's o3 but faster than Anthropic's Claude 4 Opus Thinking.

threadreaderapp.com · 4 min

TLDR AI

Review the Benchmarks ⇨

Enterprise-grade visual AI platform-as-a-service with full IP indemnity. Advanced AI Generation and Editing, Product Shot Suite, Fine-Tuning, Ad Generation, and more.

blog.bria.ai

TLDR Web Dev

RUNNING A MILLION-BOARD CHESS MMO IN A SINGLE PROCESS

One Million Chessboards is a chess MMO with a 1,000x1,000 grid of chessboards where 150,000 players made over 15 million moves in 10 days, with pieces able to move between boards in real-time without turns. The entire game runs in a single Go process that handles millions of queries by using efficient data structures (dense arrays), protobuf serialization, and smart client-server communication that sends snapshots and move batches based on player position to minimize bandwidth.

eieio.games · 33 min

TLDR InfoSec

PERSONAL INFORMATION BELONGING TO CUSTOMERS OF PADDY POWER AND BETFAIR COMPROMISED IN DATA BREACH

Personal information of customers at bookmakers Paddy Power and Betfair has been compromised in a data breach. The parent company, Flutter, notified customers via email that usernames, emails, contact details, first lines of addresses, and cities or towns might have been accessed, but no passwords, ID documents, or payment data were affected.

racingpost.com · 2 min

TLDR Crypto

BITCOIN TOPS $111K, ETH LEADING RALLY

Bitcoin surged to $111,400 on Wednesday, breaking above the $110,000 resistance level that had capped gains for weeks and approaching its May 22 record of $112,000, with some exchanges showing new all-time highs while major aggregators indicate BTC remained just below its peak. The move triggered $425 million in liquidated short positions and lifted the broader crypto market, with Ethereum jumping 6% to $2,760 and crypto equities like MicroStrategy and Coinbase gaining 4-6%. Analysts noted that declining volatility historically precedes major upward moves. Institutional interest in ETH continues to grow due to its role in tokenization and settlement infrastructure.

coindesk.com · 6 min

TLDR

LINDA YACCARINO STEPS DOWN AS CEO OF ELON MUSK'S X

Linda Yaccarino is stepping down as chief executive of X after months of uncertainty at the company. The company initially struggled with an exodus of advertisers under Elon Musk's ownership. X is now expected to see ad revenue growth for the first time since the takeover. Yaccarino said that this made it a good time to depart.

links.tldrnewsletter.com · 5 min

TLDR

HUGGING FACE JUST LAUNCHED A $299 ROBOT THAT COULD DISRUPT THE ENTIRE ROBOTICS INDUSTRY

Hugging Face's Reachy Mini is a $299 desktop robot designed to address accessibility in robotics development. It features six degrees of freedom in its moving head, full body rotation, animated antennas, a wide-angle camera, multiple microphones, and a 5-watt speaker. There is a fully autonomous wireless version that includes a Raspberry Pi 5 computer and battery. The robot can be programmed in Python - JavaScript and Scratch support is planned. Hugging Face plans to release all hardware designs, software, and assembly instructions as open source.

links.tldrnewsletter.com · 13 min

TLDR

INSIDE A NEUROSCIENTIST'S QUEST TO CURE COMA

Neuroscientist Daniel Toker, a postdoctoral fellow at the Department of Neurology at UCLA, is on a quest to understand the neurobiology of unconsciousness. He says consciousness and unconsciousness are deeply intertwined - and we still don't really know what it means to be conscious. Unconsciousness is a common endpoint for a lot of conditions, so it's easier to study scientifically and also medically important. Toker's grandest aim is to cure coma and other disorders of consciousness, such as the vegetative state.

freethink.com · 9 min

TLDR

SYSTEMD HAS BEEN A COMPLETE, UTTER, UNMITIGATED SUCCESS

Before systemd, developers were using init scripts of varying quality with janky dependencies and wildly varying semantics. This article looks at how systemd has changed the Linux landscape. It looks at the problems with init, the features systemd introduced, and other ways systemd changed the development process. systemd has largely been a success story and it proved many dire forecasts wrong.

blog.tjll.net · 7 min