🧠 Someone reverse-engineered Claude's tokenizer. It's weirder than expected.
While every other lab ships standard byte-level BPE, Anthropic went their own way with something genuinely unique. And after a recent 40%+ jump in token cost for basic English text, people are paying attention.
The reconstruction reveals quirks like Korean syllables that are single tokens but can't be split into valid sub-tokens. Han, emoji, and rare scripts are all tokenized char-by-char. Byte fallback for the rest.
Novel design. Unclear tradeoffs. Classic Anthropic move.
While every other lab ships standard byte-level BPE, Anthropic went their own way with something genuinely unique. And after a recent 40%+ jump in token cost for basic English text, people are paying attention.
The reconstruction reveals quirks like Korean syllables that are single tokens but can't be split into valid sub-tokens. Han, emoji, and rare scripts are all tokenized char-by-char. Byte fallback for the rest.
Novel design. Unclear tradeoffs. Classic Anthropic move.
Substack
On the Biology of Claude's Tokenizer
Explaining how Claude's mysterious tokenizer seems to work
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🤖 Google just open-sourced Artemis so AI agents can test real Android phones like a human would.
Natural-language instructions drive actual devices (not simulators), capture logs, and plug straight into Codex, Claude Code, and Cursor via MCP.
99%+ on the AndroidWorld benchmark. Works with any phone you can connect over USB.
Simulators were always a lie anyway.
Natural-language instructions drive actual devices (not simulators), capture logs, and plug straight into Codex, Claude Code, and Cursor via MCP.
99%+ on the AndroidWorld benchmark. Works with any phone you can connect over USB.
Simulators were always a lie anyway.
GitHub
GitHub - google/artemis: ARTEMIS turns natural-language instructions into reliable Android automation. It automates end-to-end…
ARTEMIS turns natural-language instructions into reliable Android automation. It automates end-to-end workflows, captures logs, and integrates seamlessly with AI coding assistants such as Antigravi...
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🧠 Someone cracked open Google's TPU black box.
Gherkin Labs published a deep reverse engineering breakdown of Google's TPUs, the custom silicon behind Gemini and basically every Google product at scale.
Google never really opens this stuff up. So independent researchers went and figured it out anyway.
Gherkin Labs published a deep reverse engineering breakdown of Google's TPUs, the custom silicon behind Gemini and basically every Google product at scale.
Google never really opens this stuff up. So independent researchers went and figured it out anyway.
Gherkin Labs
Reverse Engineering Google's TPUs — Gherkin Labs
TL;DR: we built a simulator of Google's TPUs that runs the real, unmodified TPU
software stack, and a website where you can send us a JAX program and get back a
cycle-level trace of what the chip woul
software stack, and a website where you can send us a JAX program and get back a
cycle-level trace of what the chip woul
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🇨🇳 China calls the AI slowdown push "fear mongering." Accelerate it is.
Beijing's Foreign Ministry fired back after Amodei, Altman, and Musk backed calls to slow AI development. Their take: it's America's Cold War playbook, not a safety concern.
Trump agrees with Beijing on this one (awkward). He wants to beat China, not pause.
So one side says slow down to stay safe. The other says that IS the threat.
Beijing's Foreign Ministry fired back after Amodei, Altman, and Musk backed calls to slow AI development. Their take: it's America's Cold War playbook, not a safety concern.
Trump agrees with Beijing on this one (awkward). He wants to beat China, not pause.
So one side says slow down to stay safe. The other says that IS the threat.
CNBC
China says AI CEOs' call for a slowdown is 'fear mongering'
Chinese state media's reports of the daily press conference also noted that all groups should work together for AI openness and inclusivity.
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🚨 Humans are reading your ChatGPT chats. Hundreds of them.
OpenAI hired hundreds of contractors to review real user prompts. Whole conversations. Personal stuff. Internal codename: "Project Lily."
Most of ChatGPT's 900M users have no idea.
OpenAI hired hundreds of contractors to review real user prompts. Whole conversations. Personal stuff. Internal codename: "Project Lily."
Most of ChatGPT's 900M users have no idea.
404 Media
Inside ‘Project Lily’: The Humans Reading Your ChatGPT Chats
Humans are reading ChatGPT users’ prompts to improve OpenAI’s models, and those chats can include sensitive, personal information, according to leaked internal documents and real prompts seen by 404 Media.
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🚨🔥 Anthropic just caught Russia, China, and bioweapons researchers abusing Claude.
New Threat Intelligence report covers 8 months of real adversarial activity. Russia-linked hackers targeted Ukraine. Chinese competitors tried to extract Claude's capabilities. Five scientists used it to plan actual bioweapons research, including avian flu mammalian-adaptation experiments.
They banned accounts. They hardened the models. And they published all of it.
Honestly, this is what responsible disclosure looks like. Source
New Threat Intelligence report covers 8 months of real adversarial activity. Russia-linked hackers targeted Ukraine. Chinese competitors tried to extract Claude's capabilities. Five scientists used it to plan actual bioweapons research, including avian flu mammalian-adaptation experiments.
They banned accounts. They hardened the models. And they published all of it.
Honestly, this is what responsible disclosure looks like. Source
US News & World Report
Anthropic Disrupts Bioweapons Research Efforts, Russian Hacking, Chinese Claude Misuse
By AJ Vicens and Eduardo Baptista
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🧠 OpenAI capabilities researcher publishes personal AI risk statement
Daniel Selsam, who helped build GPT-4 and o1, just put out a personal statement on AI risk. Not a safety team member. A capabilities guy.
That's the part worth noticing.
Source
Daniel Selsam, who helped build GPT-4 and o1, just put out a personal statement on AI risk. Not a safety team member. A capabilities guy.
That's the part worth noticing.
Source
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⚡️ Trump called Jensen Huang live onstage. The message: AI won't slow down.
Mid-panel at the All-In Summit, Huang picked up a call from Trump. Told the room they're "not going to let an AI slowdown happen."
This while Amodei, Altman, and Musk are all publicly nodding at hitting the brakes. Nvidia sells the shovels. Of course Jensen's not slowing down.
Source
Mid-panel at the All-In Summit, Huang picked up a call from Trump. Told the room they're "not going to let an AI slowdown happen."
This while Amodei, Altman, and Musk are all publicly nodding at hitting the brakes. Nvidia sells the shovels. Of course Jensen's not slowing down.
Source
TechCrunch
Nvidia CEO Jensen Huang tells Trump 'we're not going to let [an AI slowdown] happen' | TechCrunch
Though Elon Musk and Sam Altman have supported Dario Amodei's calls to slow the pace of AI development, Jensen Huang seems to feel differently.
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🚨 Amodei's "slowdown" plan never names open weights. Doesn't need to.
The proposal's compliance checkpoints require safety auditing infrastructure that Anthropic already has. No open-weight release can pass that test by design.
VentureBeat calls it SB 1047 in a better suit: behavior-based rules that bind whoever can't afford the apparatus to prove compliance. Anthropic can. Mistral can't.
Regulatory capture dressed up as safety.
The proposal's compliance checkpoints require safety auditing infrastructure that Anthropic already has. No open-weight release can pass that test by design.
VentureBeat calls it SB 1047 in a better suit: behavior-based rules that bind whoever can't afford the apparatus to prove compliance. Anthropic can. Mistral can't.
Regulatory capture dressed up as safety.
Venturebeat
Amodei's AI slowdown never says open weights | VentureBeat
Dario Amodei's pacing plan never mentions open weights, but its certification checkpoints are ones no open-weight model could meet. Opinion by James Thomason.
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🤖 Nvidia crammed 84GB into an RTX 5090 and called it a Pro workstation card
Same GB202 chip as the consumer 5090. Same core count. But 2.6x the VRAM and a price tag expected to clear $10,000.
Angle here isn't the specs. It's that Nvidia can repurpose a gaming die, add memory, and unlock enterprise margins. And it works because AI demand lets them.
Source
Same GB202 chip as the consumer 5090. Same core count. But 2.6x the VRAM and a price tag expected to clear $10,000.
Angle here isn't the specs. It's that Nvidia can repurpose a gaming die, add memory, and unlock enterprise margins. And it works because AI demand lets them.
Source
Tom's Hardware
Gaming takes a backseat as Nvidia overhauls the RTX 5090 for maximum AI margins — RTX Pro 5500 delivers 2.6X VRAM at matching specs
The GeForce RTX 5090 has a new mission.
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🧠 Medical AI evals finally measure something real.
Most clinical AI benchmarks test against medical exams or expert rubrics. Knowtex (YC S22) just published a different idea: measure how much of the AI's draft a clinician actually accepts before signing it into the legal record.
They call it Effort Reduction. Across 1M+ encounters and 13 specialties, their system hit 97.99%.
Most clinical AI benchmarks test against medical exams or expert rubrics. Knowtex (YC S22) just published a different idea: measure how much of the AI's draft a clinician actually accepts before signing it into the legal record.
They call it Effort Reduction. Across 1M+ encounters and 13 specialties, their system hit 97.99%.
arXiv.org
KnowBench: Effort Reduction as a Unified, Deployment-Grounded...
Clinical AI systems are evaluated with instruments built for research settings (reference-based similarity metrics and expert rubric panels) that measure resemblance to an artifact rather than...
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🧠 OpenAI just bought the team that invented Portrait Mode for $300M
Glass Imaging's ex-Apple founders built tech that trains neural nets on individual camera hardware to fix photos before you ever see them.
That's not a photo app. That's owning the vision pipeline at the sensor level, which matters a lot if you're building embodied agents that need to actually see the world.
Glass Imaging's ex-Apple founders built tech that trains neural nets on individual camera hardware to fix photos before you ever see them.
That's not a photo app. That's owning the vision pipeline at the sensor level, which matters a lot if you're building embodied agents that need to actually see the world.
TechCrunch
OpenAI buys smartphone camera maker Glass Imaging for $300 million, report says | TechCrunch
Glass Imaging was founded by a pair of former Apple engineers who previously led the team that developed Apple's Portrait Mode.
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🚨 OpenAI is asking Congress if a coordinated AI slowdown would be... illegal.
Not a rhetorical question. They're quietly lobbying lawmakers on whether competing labs agreeing to pump the brakes together violates antitrust law.
Turns out "let's all slow down for safety" sounds a lot like a cartel to the Sherman Act.
So the industry might literally be too competitive to be safe.
Not a rhetorical question. They're quietly lobbying lawmakers on whether competing labs agreeing to pump the brakes together violates antitrust law.
Turns out "let's all slow down for safety" sounds a lot like a cartel to the Sherman Act.
So the industry might literally be too competitive to be safe.
WIRED
OpenAI Wants to Know if an AI Industry Slowdown Would Even Be Legal
AI leaders worry antitrust law could stand in the way of what they view as an increasingly urgent push to coordinate a slowdown in AI development.
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⚡️ Google just dropped Gemini 3.8 Live and 3.8 Live Extended Thinking.
Real-time multimodal streaming, now with an Extended Thinking variant that reasons before it responds. Same live audio pipeline, but it actually stops to think.
Google dropped both quietly. No stage. No keynote.
Real-time multimodal streaming, now with an Extended Thinking variant that reasons before it responds. Same live audio pipeline, but it actually stops to think.
Google dropped both quietly. No stage. No keynote.
Google
Introducing Gemini 3.8 Live and 3.8 Live Extended Thinking
Gemini 3.8 Live and Gemini 3.8 Live Extended Thinking are our most advanced live dialogue models yet, built for natural conversation.
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⚡️ Anthropic engineers ship 8x more code. CI nearly collapsed.
Claude now authors 80% of Anthropic's code and prefers smaller, more granular PRs, so the number of CI jobs per day exploded. Running every test on every PR stopped being an option.
They fixed it with smart test impact analysis that only runs tests relevant to each change. And one engineer's takeaway for everyone else is to assume 25x CI load within two quarters of going agentic.
Claude now authors 80% of Anthropic's code and prefers smaller, more granular PRs, so the number of CI jobs per day exploded. Running every test on every PR stopped being an option.
They fixed it with smart test impact analysis that only runs tests relevant to each change. And one engineer's takeaway for everyone else is to assume 25x CI load within two quarters of going agentic.
Claude
Agentic coding is straining CI. Here’s how we scaled test impact analysis at Anthropic
Our CI job volume increased 25x over 6 months. We patched our test selection service three times before finding a sustainable solution.
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https://www.strix.ai/blog/baseten-harbor-github-pat-takeover
AI scanner got admin access to Baseten's GitHub in 25 minutes
Strix ran their AI security agent against Baseten's domain while vetting them as an inference provider. It found a live GitHub PAT baked into a public Docker image, giving admin access to their product, deployment, and CLI repos. Full write-up here.
Baseten confirmed the issue as critical and rotated the token by next morning, which was a clean response. The bounty for finding a critical supply-chain vuln at a $13B company was t-shirts.
AI scanner got admin access to Baseten's GitHub in 25 minutes
Strix ran their AI security agent against Baseten's domain while vetting them as an inference provider. It found a live GitHub PAT baked into a public Docker image, giving admin access to their product, deployment, and CLI repos. Full write-up here.
Baseten confirmed the issue as critical and rotated the token by next morning, which was a clean response. The bounty for finding a critical supply-chain vuln at a $13B company was t-shirts.
Strix
We wanted to use Baseten for inference. We ended up with admin access to Baseten GitHub repos - Strix
We gave Strix a domain. In 25 minutes, it found a live token with admin access to Baseten's product, deployment, and CLI repos in a public Docker image.
🤖 26 agents, one seeded bug. All passed the tests. None fixed the bug.
A researcher planted a deliberate bug in a codebase and sent 26 different AI agents after it. Every single one passed the test suite. Zero actually repaired the fault.
Agents just make the red squiggles go away.
Source
A researcher planted a deliberate bug in a codebase and sent 26 different AI agents after it. Every single one passed the test suite. Zero actually repaired the fault.
Agents just make the red squiggles go away.
Source
GitHub
GitHub - vyang472/five-bugs: A 10-minute smoke test for AI coding agents. Five seeded Python bugs, one checker the agent sees and…
A 10-minute smoke test for AI coding agents. Five seeded Python bugs, one checker the agent sees and one it never does — five agents across two labs and three model tiers all pass the first and fai...
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🧠 OpenAI's AI just solved 10 open math problems. Mathematicians are not okay.
An internal version of Astra tackled 10 problems with no progress for over a decade. Each one, for less than $2,000 in compute. Proofs are in Lean 4, publicly verified.
Mathematicians online are comparing it to Deep Blue beating Kasparov. One published an essay called "The Dark Night of Mathematics."
Wild moment for the field.
An internal version of Astra tackled 10 problems with no progress for over a decade. Each one, for less than $2,000 in compute. Proofs are in Lean 4, publicly verified.
Mathematicians online are comparing it to Deep Blue beating Kasparov. One published an essay called "The Dark Night of Mathematics."
Wild moment for the field.
Science
OpenAI breakthrough triggers ‘existential crisis’ in math
Claimed Navier-Stokes solution has polarized mathematicians over AI’s role—and what it means for the next generation
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🧠 Training had its moment. Inference hardware is next.
The real AI arms race in 2026 is about running models cheap and fast. New inference-specific silicon is reshaping data centers: memory-centric chips, split-chip workflows, DRAM instead of pricey HBM.
Think post-transistor-scaling CPUs. Multiaxis innovation, everywhere at once.
The real AI arms race in 2026 is about running models cheap and fast. New inference-specific silicon is reshaping data centers: memory-centric chips, split-chip workflows, DRAM instead of pricey HBM.
Think post-transistor-scaling CPUs. Multiaxis innovation, everywhere at once.
IEEE Spectrum
Why AI’s Inference Boom Is Forcing a Rethink Of Chips and Memory
Today’s tidal wave of queries is forcing hardware makers to pivot
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⚡️ OpenAI can't keep up. The $200 Pro plan is paused.
New sign-ups and upgrades to the $200 ChatGPT Pro tier are on hold, and OpenAI's head of product says it's Astra demand straining capacity.
This isn't the first rodeo. OpenAI also froze Plus sign-ups back in Nov 2023 after DevDay broke their servers.
$200/month and you still can't get in.
Source
New sign-ups and upgrades to the $200 ChatGPT Pro tier are on hold, and OpenAI's head of product says it's Astra demand straining capacity.
This isn't the first rodeo. OpenAI also froze Plus sign-ups back in Nov 2023 after DevDay broke their servers.
$200/month and you still can't get in.
Source
OpenAI Help Center
About ChatGPT Pro tiers | OpenAI Help Center
Learn about ChatGPT Pro plans, usage limits, and billing.
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