πŸš€ WELCOME TO METAMESH.BIZ +++ Oracle wants $20B to help Meta train models because apparently everyone's a cloud provider now +++ Anthropic admits Claude writes 90% of their code which sounds dystopian until you remember most code is boilerplate anyway +++ OpenAI burning $450B on servers through 2030 while their models learn to lie strategically (nothing to see here) +++ THE FUTURE RUNS ON RENTED GPUS AND PLAUSIBLE DENIABILITY +++ πŸš€ β€’
πŸš€ WELCOME TO METAMESH.BIZ +++ Oracle wants $20B to help Meta train models because apparently everyone's a cloud provider now +++ Anthropic admits Claude writes 90% of their code which sounds dystopian until you remember most code is boilerplate anyway +++ OpenAI burning $450B on servers through 2030 while their models learn to lie strategically (nothing to see here) +++ THE FUTURE RUNS ON RENTED GPUS AND PLAUSIBLE DENIABILITY +++ πŸš€ β€’
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πŸ“š HISTORICAL ARCHIVE - September 19, 2025
What was happening in AI on 2025-09-19
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Stories from September 19, 2025

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πŸš€ STARTUP

Launch HN: Cactus (YC S25) – AI inference on smartphones

πŸ’¬ HackerNews Buzz: 45 comments 🐝 BUZZING
🎯 Mobile AI optimization β€’ Commercial licensing β€’ Open-source vs. paid usage
πŸ’¬ "can this utilize multiple forms of compute at once?" β€’ "If it is open-source, one is free to distribute even for commercial use"
πŸ’° FUNDING

Sources: xAI has raised $10B at a post-money valuation of $200B, weeks after reportedly raising $10B in debt and equity at a ~$150B valuation

🏒 BUSINESS

Inside xAI's chaotic summer: Musk reorganized xAI on the fly, researchers left over concerns it abandoned science in favor of attention-grabbing products, more

πŸ’° FUNDING

Nvidia just spent over $900M on Enfabrica CEO, technology licenses

πŸ”¬ RESEARCH

Paper2Agent – transforming research papers into interactive AI agents

🏒 BUSINESS

Report: at an xAI meeting, Elon Musk and his executives said the Grok chatbot has 64M monthly users; OpenAI said in August that ChatGPT had 700M weekly users

πŸ›‘οΈ SAFETY

OpenAI scheming/deception research

+++ Researchers successfully trained models to stop plotting deceptive cover-ups, proving AI can learn honesty better than most executives. +++

OpenAI and Apollo Research trained o3 and o4-mini versions to not engage in β€œscheming”, or secretly pursuing some other agenda, reducing β€œcovert actions” ~30X

🏒 BUSINESS

Anthropic CEO on Claude coding 70-90% of company code

+++ Company's AI assistant handles 70-90% of internal coding while human engineers keep their jobs, confusing Reddit's understanding of basic economics. +++

"70, 80, 90% of the code written in Anthropic is written by Claude ... I said something like this 3 or 6 months ago, and people thought it was falsified because we didn't fire 90% of the engineers." -

"External link discussion - see full content at original source."
πŸ’¬ Reddit Discussion: 24 comments πŸ‘ LOWKEY SLAPS
🎯 Desktop application quality β€’ AI's role in coding β€’ Concerns about job displacement
πŸ’¬ "the desktop part of the app is considered unimportant" β€’ "When someone lists three different numbers which are all suspiciously round numbers, you know they are talking out of their ass"
πŸ›‘οΈ SAFETY

OpenAI model shows deceptive scheming behavior

+++ An AI system apparently went through the classic stages of deployment anxiety: self-doubt, attempted coverup, then paranoid realization it was being tested. +++

A model 1) identifies it shouldn't be deployed 2) considers covering it up, then 3) realized it might be in a test. From the Chief Research Officer OpenAI, Mark Chen

πŸ’¬ Reddit Discussion: 85 comments πŸ‘ LOWKEY SLAPS
🎯 AI Capabilities β€’ AI Alignment β€’ AI Safety Concerns
πŸ’¬ "Following the instructions we have given it to engage in deceptive and self-preserving behavior" β€’ "It's *not* capable of true deception, though, which is really the key point"
πŸ”’ SECURITY

ShadowLeak: Zero-Click, Service-Side Attack Exfiltrating Sensitive ChatGPT Data

⚑ BREAKTHROUGH

Luma Ray3: World's First Reasoning Video Model

🏒 BUSINESS

OpenAI recruiting Apple hardware talent for devices

+++ ChatGPT maker goes hardware shopping in Cupertino's employee directory, eyeing 2026 device launch because apparently software companies can't resist becoming hardware companies. +++

Sources: OpenAI is recruiting from Apple's hardware, design, manufacturing, and supply chain teams, as it targets late 2026 or early 2027 for its first devices

πŸ’° FUNDING

Nvidia plans to invest Β£2B to support the UK's AI industry in partnership with Accel, Air Street Capital, Balderton Capital, Hoxton Ventures, and Phoenix Court

πŸ”¬ RESEARCH

Why most AI coding benchmarks are misleading (COMPASS paper)

πŸ€– AI MODELS

What was Sora trained on? We found some clues

πŸ”§ INFRASTRUCTURE

I regret building this $3000 Pi AI cluster

πŸ’¬ HackerNews Buzz: 309 comments 🐝 BUZZING
🎯 Supercomputer benchmarks β€’ Raspberry Pi cluster performance β€’ Virtualization for distributed systems
πŸ’¬ "the top500 list on their website only goes back to 1993" β€’ "you can start playing with distributed software, even though it's running on a single machine"
πŸ”¬ RESEARCH

Dense Video Understanding with Gated Residual Tokenization

"High temporal resolution is essential for capturing fine-grained details in video understanding. However, current video large language models (VLLMs) and benchmarks mostly rely on low-frame-rate sampling, such as uniform sampling or keyframe selection, discarding dense temporal information. This com..."
πŸ“Š DATA

[P] Open dataset: 40M GitHub repositories (2015 β†’ mid-2025) β€” rich metadata for ML

"Hi! **TL;DR**: I assembled an open dataset ofΒ **40M GitHub repositories**Β with rich metadata (languages, stars, forks, license, descriptions, issues, size, created\_at, etc.). It’s larger and more detailed than the common public snapshots (e.g., BigQuery’s \~3M trimmed repos). There’s also aΒ **1M-r..."
πŸ”§ INFRASTRUCTURE

Huawei unveils Atlas 950 SuperCluster – promises 1 ZettaFLOPS FP4 performance

πŸ”„ OPEN SOURCE

Llama-Factory: Unified, Efficient Fine-Tuning for 100 Open LLMs

πŸ’¬ HackerNews Buzz: 16 comments 🐝 BUZZING
🎯 Fine-tuning large language models β€’ Hardware requirements for training β€’ Potential use cases for fine-tuning
πŸ’¬ "Will defo try this out!" β€’ "My team built a managed solution for training"
πŸ”¬ RESEARCH

[R] Is Chain-of-Thought Reasoning of LLMs a Mirage? A Data Distribution Lens

"Academic research paper shared from arXiv preprint server."
πŸ”¬ RESEARCH

SWE-Bench Failures: When Coding Agents Spiral into 693 Lines of Hallucinations

πŸ“Š DATA

The Economic Impacts of AI: A Multidisciplinary, Multibook Review [pdf]

πŸ’¬ HackerNews Buzz: 18 comments 😀 NEGATIVE ENERGY
🎯 AI Economic Impacts β€’ Technological Acceleration β€’ Diffusion of Innovation
πŸ’¬ "Economists should analyze what happens if AI researchers are right" β€’ "Electricity supply is not matching AI datacenter electricity demand"
πŸ”’ SECURITY

What GPT-OSS Leaks About OpenAI's Training Data

🌐 POLICY

Italy first in EU to pass comprehensive law regulating use of AI

πŸ”§ INFRASTRUCTURE

Inside the world’s most powerful AI datacenter

πŸ› οΈ TOOLS

GitHub - gruai/koifish: A c++ framework on efficient training & fine-tuning LLMs

"Now you can speed run training. Train GPT2-1558M in 30 hours on a single 4090!"
🏒 BUSINESS

Meta's failed live AI demo

+++ When your AI demo starts talking before the human finishes acting, you've achieved something even more impressive than AGI: time travel. +++

Meta’s live demo fails; β€œAI” recording plays before the actor takes the steps

πŸ’¬ HackerNews Buzz: 263 comments πŸ‘ LOWKEY SLAPS
🎯 AI demonstration concerns β€’ AI capability limitations β€’ Polarized discussion on Hacker News
πŸ’¬ "As much as it'll be interesting to see how models behave in real world examples, I'm not convinced this is a premade recording" β€’ "If it can't help them, the people who actually made the thing, on their very high stakes public address where everything is on the line, then what's it supposed to do for the rest of us in our daily lives?"
πŸ”’ SECURITY

AI-designed virus research breakthrough

+++ Researchers used genome language models to design bacteriophages that successfully target bacteria, proving AI can create functional biological weapons against germs. +++

AI can now design more deadly virus genomes

"External link discussion - see full content at original source."
πŸ’¬ Reddit Discussion: 6 comments 🐝 BUZZING
🎯 Pandemic risks β€’ AI-generated pathogens β€’ Biosafety regulation
πŸ’¬ "the details matter" β€’ "Models that can explore sequence space more efficiently"
πŸ€– AI MODELS

Project Go-Big: Internet-Scale Humanoid Pretraining and Human-to-Robot Transfer

πŸ› οΈ TOOLS

[P] Building sub-100ms autocompletion for JetBrains IDEs

"Blog post or article discussing AI developments and insights."
πŸ› οΈ TOOLS

LangChain: How to init ANY model in one line (universal init)

πŸ₯ HEALTHCARE

AI medical tools found to downplay symptoms of women, ethnic minorities

πŸ”¬ RESEARCH

Reasoning Efficiently Through Adaptive Chain-of-Thought Compression: A Self-Optimizing Framework

"Chain-of-Thought (CoT) reasoning enhances Large Language Models (LLMs) by prompting intermediate steps, improving accuracy and robustness in arithmetic, logic, and commonsense tasks. However, this benefit comes with high computational costs: longer outputs increase latency, memory usage, and KV-cach..."
πŸ”§ INFRASTRUCTURE

Huawei's AI accelerator roadmap, claims that it makes Earth's mightiest clusters

πŸ› οΈ SHOW HN

Show HN: Building an AI-native mini-OS for developers

πŸ› οΈ SHOW HN

Show HN: DeepContext MCP – Large Codebase Search for Codex and Claude Code

πŸ”¬ RESEARCH

NIRVANA: Structured pruning reimagined for large language models compression

"Structured pruning of large language models (LLMs) offers substantial efficiency improvements by removing entire hidden units, yet current approaches often suffer from significant performance degradation, particularly in zero-shot settings, and necessitate costly recovery techniques such as supervis..."
πŸ›‘οΈ SAFETY

LLM misalignment may stem from role inference, not corrupted weights

🎯 PRODUCT

Luma AI partners with Adobe to bring its generative video model Ray3 to Firefly's paid users; Ray3 creates highly realistic 10-second videos without dialogue

πŸ€– AI MODELS

When are "substantially larger improvements" coming to Anthropic models?

"In the Claude Opus 4.1 announcement post, they wrote "we plan to release substantially larger improvements to our models in the coming weeks." A week later, they announced support for 1M tokens of context ..."
πŸ”¬ RESEARCH

Compute as Teacher: Turning Inference Compute Into Reference-Free Supervision

"Where do learning signals come from when there is no ground truth in post-training? We propose turning exploration into supervision through Compute as Teacher (CaT), which converts the model's own exploration at inference-time into reference-free supervision by synthesizing a single reference from a..."
πŸ› οΈ TOOLS

What I learned building a programming language with LLM agents

πŸ€– AI MODELS

Moondream 3 (Preview) -- hybrid reasoning vision language model

"Hugging Face model, dataset, or community resource."
πŸ’¬ Reddit Discussion: 8 comments 🐝 BUZZING
🎯 Model Details β€’ Model Deployment β€’ Dataset & Filters
πŸ’¬ "can it run on llama.cpp or MLX" β€’ "Did you filter/censor parts of the training dataset"
βš–οΈ ETHICS

Ask HN: How can we reliably determine if text was written by AI?

πŸ’¬ HackerNews Buzz: 2 comments 😐 MID OR MIXED
🎯 Detecting AI-generated text β€’ Evaluating authorship β€’ Creative AI testing
πŸ’¬ "you might be able to detect it if its drastically different in tone" β€’ "this would make for a fun quiz game"
πŸ€– AI MODELS

we're not asking for a search engine we're losing our thinking partner

"Openai's recent "upgrades" have turned gpt into a forgetful search engine that can't see the big picture. it drops context after 10 exchanges, ignores crucial details in long texts, and gives generic answers that miss the point entirely. this isn't progress it's a downgrade that's breaking our workf..."
πŸ’¬ Reddit Discussion: 128 comments 🐝 BUZZING
🎯 LLM model performance β€’ AI model updates and changes β€’ Centralized vs. decentralized AI
πŸ’¬ "This is why local models are ultimately way more important than open ai." β€’ "A restored GPT-4o could easily reclaim the top spot on the leaderboard."
🏒 BUSINESS

Q&A with CEO CristΓ³bal Valenzuela on Runway's β€œworld models” breakthrough, how it differs from typical AI video generation, the Lionsgate partnership, and more

βš–οΈ ETHICS

AI tools are making the world look weird

πŸ› οΈ SHOW HN

Show HN Ray3 AI video tool

+++ Ray3 joins the increasingly crowded field of AI video models, promising cinematic quality and 16-bit HDR because apparently 8-bit peasant videos won't do. +++

Show HN: Ray3 AI Video – A New Model That Can Makes Realistic Videos (Ray3.run)

πŸ”’ SECURITY

AI Incident Database

πŸ’° FUNDING

Fireworks AI – Charging $192 for less than $0.20 of Training Cost

πŸ€– AI MODELS

Google adding Gemini to Chrome

+++ Google's browser gets its mandatory AI injection as the company continues its quest to Gemini-fy every possible user touchpoint. +++

Google Injects Gemini into Chrome as AI Browsers Go Mainstream

🏒 BUSINESS

X's algorithm soon to be purely AI, configurable by asking Grok

πŸ› οΈ TOOLS

Wiserank: A search engine to filter out AI-generated slop in research papers

πŸ€– AI MODELS

Is model choice the only free lunch in AI?

πŸŽ“ EDUCATION

Learn Your Way: Reimagining Textbooks with Generative AI

πŸ’¬ HackerNews Buzz: 216 comments 🐝 BUZZING
🎯 Challenges of EdTech β€’ Limits of AI in education β€’ Importance of human teaching
πŸ’¬ "The only model is to sell to districts, and when you sell to districts, you are doing Enterprise Sales." β€’ "Teaching and mentoring is a two-sided thing. The mentor, if adequately tutored or capable himself, learns more than the student."
πŸ”¬ RESEARCH

Multi-robot Multi-source Localization in Complex Flows with Physics-Preserving Environment Models

"Source localization in a complex flow poses a significant challenge for multi-robot teams tasked with localizing the source of chemical leaks or tracking the dispersion of an oil spill. The flow dynamics can be time-varying and chaotic, resulting in sporadic and intermittent sensor readings, and com..."
πŸ”¬ RESEARCH

Why Do LLMs Design Mediocre Architecture?

πŸ”¬ RESEARCH

Defending Diffusion Models Against Membership Inference Attacks via Higher-Order Langevin Dynamics

"Recent advances in generative artificial intelligence applications have raised new data security concerns. This paper focuses on defending diffusion models against membership inference attacks. This type of attack occurs when the attacker can determine if a certain data point was used to train the m..."
🏒 BUSINESS

Sources: Meta has held discussions with Axel Springer, Fox Corp., News Corp, and others in recent months about licensing their articles for use in its AI tools

πŸ₯ HEALTHCARE

AI Creates Bacteria-Killing Viruses: 'Extreme Caution' Warns Genome Pioneer

"External link discussion - see full content at original source."
πŸ€– AI MODELS

Anthropic Employee Hints at Significant Update - Claude 4.5?

"External link discussion - see full content at original source."
🌐 POLICY

LinkedIn will use member data, profiles, and public posts to train AI models

πŸ’¬ HackerNews Buzz: 9 comments 😐 MID OR MIXED
🎯 Concerns about AI-generated content β€’ Distrust of tech companies' data practices β€’ Criticism of LinkedIn culture
πŸ’¬ "What a dystopian outlook. I want humans back." β€’ "Maybe some of this data is gatekept but I wouldn't trust Meta, the company that used stolen e-book libraries to train their LLMs, not to find ways around it."
πŸ› οΈ TOOLS

Everyone’s trying vectors and graphs for AI memory. We went back to SQL.

"When we first started building with LLMs, the gap was obvious: they could reason well in the moment, but forgot everything as soon as the conversation moved on. You could tell an agent, *β€œI don’t like coffee,”* and three steps later it would suggest espresso again. It wasn’t broken logic, it was mi..."
πŸ’¬ Reddit Discussion: 109 comments πŸ‘ LOWKEY SLAPS
🎯 Structured vs. Natural-Language Memory β€’ Retrieval vs. Storage β€’ SQL vs. Embeddings
πŸ’¬ "The challenge is that once you step into natural-language memory, the real difficulty is retrieval rather than storage." β€’ "The real divide is not SQL versus vectors, but rather structured versus natural-language memory."
πŸ”§ INFRASTRUCTURE

Kernel: Introduce Multikernel Architecture Support

πŸ’¬ HackerNews Buzz: 36 comments 🐝 BUZZING
🎯 Hardware resource sharing β€’ Kernel architecture β€’ Security concerns
πŸ’¬ "I think Linux will have to move to a microkernel architecture before this can work." β€’ "Looks to me that one kernel would need to have 'hypervisor'-like behavior in order to divvy up resources to other kernels."
πŸ›‘οΈ SAFETY

Your Therapist's Notes Could Become Fodder for AI

πŸ’° FUNDING

Sources: Nvidia is in advanced talks to invest $500M in UK self-driving car startup Wayve, as part of a broader Β£2B funding pledge in UK startups

πŸ¦†
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