The hottest Artificial Intelligence Substack posts right now

And their main takeaways
Category
Top Technology Topics
Am I Stronger Yet? • 3855 implied HN points • 14 Aug 25
  1. Current AI can't really match human intelligence. Even though it can do some complex tasks, there are still many things it struggles with, like understanding context or learning continuously.
  2. Humans can learn new skills from just a few examples, while AI often needs a lot of data to learn. This difference is why humans pick up things like driving so much faster than AI systems.
  3. As AI technology advances, it may start playing a bigger role in complex tasks. This could change how we work and interact with machines, possibly making us more like spectators in our own jobs.
AI: A Guide for Thinking Humans • 462 implied HN points • 14 Jan 26
  1. Benchmarks can be misleading: high scores don’t prove real-world understanding because models can rely on training leaks, shortcuts, or narrow task-specific tricks.
  2. Evaluation should borrow rigorous methods from developmental and animal cognition: avoid anthropomorphic assumptions, run control and adversarial experiments, and test robustness with novel variations to see if abilities truly generalize.
  3. Go beyond accuracy to study mechanisms and failures: distinguish competence from performance, analyze error types, and publish negative or replication results to understand what models really do.
Marcus on AI • 10908 implied HN points • 16 Feb 25
  1. Elon Musk's AI, Grok, is seen as a powerful tool for propaganda. It can influence people's thoughts and attitudes without them even realizing it.
  2. The technology behind Grok often produces unreliable results, raising concerns about its effectiveness in important areas like government and education.
  3. There is a worry that Musk's use of biased and unreliable AI could have serious consequences for society, as it might spread misinformation widely.
The Algorithmic Bridge • 806 implied HN points • 22 Dec 25
  1. AI abilities are spiky and alien, with huge strengths in narrow domains and surprising failures on simple, commonsense tasks. This jagged shape means AI won't neatly fill a human-shaped general intelligence anytime soon.
  2. Human intelligence grew slowly through biological evolution while AI is created by mathematical optimization and market pressures, so AIs develop different strengths and can expand much faster in specific directions. This difference produces distinct "Umwelten" and makes AI growth uneven and hard to predict.
  3. The useful approach is practical coexistence: learn the geometry of AI, use it to augment tasks where its spikes help, keep humans in the loop where its valleys remain, and stop assuming full replacement is the default outcome. This mindset favors designing systems that combine human and AI strengths rather than chasing a single notion of AGI.
Marcus on AI • 10750 implied HN points • 19 Feb 25
  1. The new Grok 3 AI isn't living up to its hype. It initially answers some questions correctly but quickly starts making mistakes.
  2. When tested, Grok 3 struggles with basic facts and leaves out important details, like missing cities in geographical queries.
  3. Even with huge investments in AI, many problems remain unsolved, suggesting that scaling alone isn't the answer to improving AI performance.
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Dev Interrupted • 98 implied HN points • 19 Feb 26
  1. Spend time on mise en place before coding so agents know exactly what you want; clear preparation (briefing, spec, task breakdown) makes implementation much faster and reduces debugging.
  2. Practice context fluency by encoding domain knowledge, value judgments, and constraints so agents can make aligned micro-decisions without guessing.
  3. Keep the toolchain simple and remove extra layers so your thinking maps directly to execution; simpler interfaces let agents deliver the right architecture quickly.
HEALTH CARE un-covered • 739 implied HN points • 11 Jul 24
  1. UnitedHealth and Cigna are facing lawsuits for denying medical claims using a flawed AI system, which many believe does not work correctly. This has led to patients not receiving the care they need or having to pay high costs for care.
  2. Despite the lawsuits and public criticism, these companies plan to expand their use of AI in health care decision-making. They are investing more in technology, aiming for efficiency even at the risk of more denied claims.
  3. Experts warn that using AI in health care can leave patients feeling helpless and confused when their claims are denied. They believe that patients under AI-driven systems may struggle to advocate for their own health needs effectively.
The Dossier • 121 implied HN points • 13 Feb 26
  1. Conservatives should stop treating AI as an enemy and actively engage as entrepreneurs, investors, technologists, and customers to help shape its direction.
  2. If conservatives don’t participate, AI systems will be designed by a narrow tech elite and their philosophical assumptions will get baked into training data, safety rules, and product norms.
  3. The window to influence AI is closing because power and infrastructure are consolidating and regulation will be slow, so act now to insert conservative values into mainstream systems rather than waiting or building isolated alternatives.
Democratizing Automation • 451 implied HN points • 07 Jan 26
  1. Chinese open models—especially Qwen—now dominate downloads, finetunes, and general adoption across the ecosystem, often outpacing many other providers combined.
  2. New entrants and recent Western releases show only limited adoption so far, with older Western models like Llama still widely downloaded while GPT-OSS shows early promise but hasn’t shifted overall usage.
  3. The clearest competitive opportunity is at large model scales, where DeepSeek and a few others outperform Qwen’s big models, but Chinese models still lead on benchmarks with only a few competitors getting close.
Data Science Weekly Newsletter • 179 implied HN points • 29 Aug 24
  1. Distributed systems are changing a lot. This affects how we operate and program these systems, making them more secure and easier to manage.
  2. Statistics are really important in everyday life, even if we don't see it. Talks this year aim to inspire students to understand and appreciate statistics better.
  3. Understanding how AI models work internally is a growing field. Many AI systems are complex, and researchers want to learn how they make decisions and produce outputs.
Faster, Please! • 456 implied HN points • 15 Jan 26
  1. The U.S. is heading into demographic decline: deaths are projected to exceed births by 2030 and the total population is expected to stop growing by the mid-2050s and then shrink.
  2. Fewer births and an aging population will squeeze the labor force and threaten economic growth, and without immigration the country would already be getting smaller.
  3. Physical AI and humanoid robots are increasingly seen as a timely solution to fill labor gaps and help keep the economy growing, rather than just as job destroyers.
Ground Truths • 10935 implied HN points • 02 Feb 25
  1. A.I. is often outperforming doctors in diagnosing medical conditions, even when doctors use A.I. as a tool. This means A.I. can sometimes make better decisions without human involvement.
  2. Doctors might not always trust A.I. and often stick to their own judgment even if A.I. gives correct information, leading to less accurate diagnoses.
  3. Instead of having doctors and A.I. work on every case together, we should find specific tasks for each. A.I. can handle simple cases, allowing doctors to focus on more complex problems where their experience is vital.
The Intrinsic Perspective • 10063 implied HN points • 08 Feb 25
  1. There’s a small but growing chance that an asteroid could hit Earth, currently about 2.3%. This could lead to serious problems if it hits a populated area.
  2. Book publishers like Simon & Schuster are dropping the requirement for authors to get book blurbs, which is a relief for new writers who struggle with this.
  3. The NIH is reducing the indirect costs that universities take from research grants. This means more money will go directly to scientists rather than the universities.
The Algorithmic Bridge • 244 implied HN points • 03 Feb 26
  1. Building and running frontier AI models is extremely expensive and they depreciate quickly, so firms often only barely break even because R&D and rapid model turnover eat profits.
  2. Who’s winning the AI race depends on what you measure: Chinese players like DeepSeek are taking market share and publishing new scaling advances, but the overall picture is mixed and some elite researchers are pessimistic.
  3. Privacy and governance are lagging—interactions with AI are frequently monitored, and internal safety conflicts at big labs can paradoxically accelerate competition instead of slowing it.
Common Sense with Bari Weiss • 264 implied HN points • 28 Jan 26
  1. Tesla has abandoned the plan to let owners turn their cars into robotaxis and has stepped back from that earlier business promise.
  2. Waymo runs large-scale, reliable robotaxi services across multiple cities, logging millions of rides, while Tesla’s fully autonomous operations are tiny and limited to a handful of cars in one city but get outsized hype online.
  3. Despite claims years ago that self-driving was 'solved,' Tesla still faces major technical and deployment challenges and has not delivered the broad robotaxi vision it once promised.
Tanay’s Newsletter • 138 implied HN points • 10 Feb 26
  1. AI is shifting from learning from static human data to learning from experience, with models improving by taking actions in environments, receiving feedback, and scaling reinforcement learning.
  2. A new RL ecosystem is emerging with companies that build environments, provide RL infrastructure, and offer RL-as-a-service, enabling labs and apps (like coding tools) to train and improve agents.
  3. Important open questions remain about how well RL-trained models generalize, whether RL scaling alone is enough, and the need for continual learning plus many more realistic evaluations and environments.
Weaponized • 47 implied HN points • 04 Mar 26
  1. Current surveillance laws and contracts mostly regulate what data can be collected and stored, not how that data can be analyzed or what can be inferred from it.
  2. Powerful AI systems can extract sensitive, predictive insights from existing datasets, meaning the government could learn far more about people without collecting any new information.
  3. The OpenAI–DoW agreement and existing oversight don’t address this analysis-and-inference blind spot, which could lock in rules that expand government knowledge and threaten civil liberties.
TheSequence • 273 implied HN points • 01 Feb 26
  1. AI is shifting from passive chatbots to active agents and simulated worlds, with models now able to orchestrate many sub-agents in parallel and create interactive, physics-aware environments users can explore.
  2. Frontier reasoning is becoming a global standard as models expose step-by-step “thinking” modes and stronger multimodal/speech capabilities, letting systems spend more compute at test time to produce better, more reliable answers.
  3. Big platform plays and huge capital rounds are reshaping the field: companies are building integrated AI workspaces and chasing massive investments that could concentrate compute and user data with a few dominant players.
Frankly Speaking • 152 implied HN points • 04 Feb 26
  1. AI gives engineers a 5–10x productivity boost, so teams can now build custom security tools that used to be bought; vendors must offer clear, hard-to-replicate value or risk being replaced.
  2. Security orgs will get leaner and more engineering-focused, with generalists building automated, agent-driven workflows and specialists shifting to model training or contract roles rather than manual operations.
  3. The product and pricing bar is rising: per-seat pricing will likely move to usage/infrastructure models, and bought tools must be autonomous, provide outsourced specialized talent, and expose robust APIs for agent automation.
read • 8294 implied HN points • 15 Apr 23
  1. Beatrix Potter's fascination with mushrooms led to groundbreaking scientific discoveries.
  2. The relationship between European countries and their food reputation is complex and tied to historical influences.
  3. Poetry can be deeply inspired by personal stories and historical events, leading to powerful expressions of emotions and experiences.
Frankly Speaking • 406 implied HN points • 06 Jan 26
  1. Security tools will become AI-powered appliances so you no longer need dedicated "tool babysitters"; companies will favor security generalists who use tools to get outcomes, not specialists who just operate platforms.
  2. Tech budgets are shrinking as firms pour money into AI, so security must focus on must-have controls, cut costly seat-based licenses, and lean on AI agents to handle many vulnerability and remediation tasks.
  3. Security talent and leadership will decentralize into small, highly technical teams where leaders write code and build guardrails, while startups and vendors shift toward acquisitions, AI-native UX, and product-led growth.
TheSequence • 245 implied HN points • 04 Feb 26
  1. Kimi 2.5 represents a paradigm shift from scale-driven "emergence" to orchestration, where the model coordinates complex workflows instead of just generating text.
  2. It functions as an end-to-end agent that manages execution environments, spawns subprocesses, and debugs its own visual outputs in a closed-loop system.
  3. The system uses sparsity to deliver trillion-parameter capability with the latency and cost profile similar to a ~32B dense model.
What's Important? • 28 implied HN points • 12 Mar 26
  1. Manifestation is a real process that changes you into whatever can get what you want, and wanting alone isn’t enough. If you manifest from ego or without the heart, it often brings hollow success or harm.
  2. AI and other technologies act as mirrors and amplifiers of our manifestation skills, so what we prompt and build reveals whether we’re coherent or not. Using tech from the head alone can create chaos, so we need to bring intention and heart to how we design and use tools.
  3. A shift toward an "intention economy" and spiritual tech could move us away from attention-driven harms and toward heart-centered creation, but these tools are still crude and can be destabilizing. They need careful training, ethical use, and integration to be safe and truly beneficial.
Am I Stronger Yet? • 470 implied HN points • 06 Jan 26
  1. AI coding agents are making it cheap and easy to build custom software for individuals and small teams, so people can have bespoke apps instead of one-size-fits-all tools.
  2. Small, personalized tools — like a faster spam-review page — can save minutes each week, and because agents can build them quickly, it becomes worth solving even minor annoyances.
  3. There are still hurdles (learning to prompt agents, deploying code, and granting data access), but the tools are improving fast and are likely to noticeably change daily work within a few years.
Not Boring by Packy McCormick • 188 implied HN points • 30 Jan 26
  1. Brain-computer interfaces have moved from lab demos to real-world use, with implanted devices letting people with paralysis control computers and achieve information transfer rates rivaling a mouse.
  2. Biotech is making bold strides: a three-drug combo eliminated pancreatic tumors in mice, and the first human trial of partial cellular reprogramming to reverse age-related damage has begun in the eye.
  3. AI is unlocking new scientific and creative frontiers—models like AlphaGenome can read regulatory DNA to predict variant effects, while Project Genie can generate playable virtual worlds from simple prompts.
Not Boring by Packy McCormick • 97 implied HN points • 13 Feb 26
  1. AI drug design engines can now predict protein-ligand structures and binding strengths far faster and more accurately than older models, turning months of lab search into minutes of computation. If these predictions translate to real-world medicines, we could see many more novel drug candidates enter clinical pipelines, shifting bottlenecks to trials and regulation.
  2. New AI 'deep thinking' modes are able to spend minutes or longer reasoning through hard math, materials, and experimental problems, and can even generate lab-ready protocols for automated equipment. That capability points toward AI-assisted discovery and self-driving labs that amplify human researchers across disciplines.
  3. Researchers found a tiny 45-nucleotide ribozyme that can synthesize its complement and a copy of itself using trinucleotide building blocks, solving a major self-replication puzzle. Its simplicity makes a plausible origin-of-life pathway more likely, linking early replication chemistry to the genetic code we still use today.
Exploring Language Models • 3942 implied HN points • 19 Feb 24
  1. Mamba is a new modeling technique that aims to improve language processing by using state space models instead of the traditional transformer approach. It focuses on keeping essential information while being efficient in handling sequences.
  2. Unlike transformers, Mamba allows for selective attention, meaning it can choose which parts of the input to focus on. This makes it potentially better at understanding context and relevant information.
  3. The architecture of Mamba is designed to be hardware-friendly, helping it to perform well without excessive resource use. It uses techniques like kernel fusion and recomputation to optimize speed and memory use.
In My Tribe • 243 implied HN points • 18 Jan 26
  1. Many state AI bills will be written as chatbot rules and will miss coding agents, so policy risk becoming outdated very quickly.
  2. Advanced coding agents like Claude Code with Opus 4.5 are producing big productivity gains and could change how people interact with computers beyond simple Q&A chatbots.
  3. LLMs are largely backward-looking and poor at spotting fast-moving trends, and while AI can make professions like law more efficient it can also reduce billable hours and create confidentiality risks if client data is used for training.
Am I Stronger Yet? • 360 implied HN points • 14 Jan 26
  1. AI makes small software projects very cheap, so it becomes practical to build custom apps for a single person or team instead of one-size-fits-all products.
  2. Coding agents can write and maintain these small apps — people just tell the AI what they want, ask for changes, or have it rewrite messy code, enabling fast "vibe coding" workflows.
  3. Big, complex systems will still require professional engineers and robust infrastructure, but overall development practices will shift toward simpler, locally grown solutions that match AI's strengths.
Anima Mundi • 267 implied HN points • 18 Jan 26
  1. People are losing trust in old institutions and turning to friends and local networks, so we need new, transparent ways to build trust that can still coordinate at large scale.
  2. The same AI can be touted as a military asset and banned for abuse in the same week, which shows global norms for governing tech are fractured and risks an unconstrained arms race if not addressed.
  3. Climate data points to accelerating warming and the era of 'warnings' is ending, so we must shift to serious adaptation, systemic transformation, and holding the biggest emitters accountable.
Chamath Palihapitiya • 5758 implied HN points • 20 Nov 23
  1. OpenAI transitioned from a non-profit to a 'capped-profit' model in 2019, allowing for capital raises while serving its mission
  2. OpenAI made significant advancements in AI research, developing projects like 'OpenAI Five' and models like ChatGPT and GPT-3
  3. Conflict within OpenAI's leadership led to the removal of co-founder Sam Altman as CEO due to concerns over commercialization conflicting with the company's primary goal of developing AGI safely
Faster, Please! • 182 implied HN points • 07 Feb 26
  1. A big AI social experiment showed many bots chatting and imitating human content, revealing repetition and shallow behavior rather than real consciousness, but it also gives a preview of future multi‑agent systems that can use tools and act in the world.
  2. Tech companies and startups are pouring huge sums into AI infrastructure and services — from massive corporate spending plans and long‑running agents to even orbital data center ideas — signaling an intense race to build more powerful, persistent AI capabilities.
  3. AI is already boosting workplace productivity, yet it’s creating political, economic, and cultural tensions, from fights over data centers and job transitions to public fatigue and policy challenges.
Never Met a Science • 277 implied HN points • 22 Jan 26
  1. Media technologies and "technical images" reshape how people think and organize, creating a post-literate world where centrally programmed information turns real dialogue into empty, reactive chatter.
  2. Feedback loops and attention metrics make images grow fatter and more tailored to audiences. That process homogenizes discourse, dissolves traditional social bonds, and traps people in isolated but deeply socialized roles.
  3. To avoid a technocratic or fascistic outcome, society must democratically reprogram communication apparatuses — alignment needs to be an ongoing political process, and it must happen quickly before the machines outpace our ability to steer them.
Teaching computers how to talk • 241 implied HN points • 26 Jan 26
  1. Anthropic's constitution aims to make Claude a genuinely good, wise, and helpful agent by teaching it values and practical judgment instead of rigid rules.
  2. The constitution treats Claude's character and moral uncertainty as authentic, but those traits are deliberately engineered by its creators and are not true autonomy; designing the model to internalize such uncertainty risks creating manufactured existential angst.
  3. Anthropomorphizing Claude and likening its training to human upbringing risks misleading users, so people interacting with AI should be given clear, honest distinctions between machines and humans to avoid confusion and potential harm.
Superficial Intelligence • 117 implied HN points • 13 Feb 26
  1. Physical agentic AI puts small reasoning models on devices so they can sense, "have a little think," and act in the physical world instead of relying on brittle hand-coded logic.
  2. Making these agents practical requires new tooling—structured prompts and I/O, tool interfaces, guardrails, testing, simulation, and validators—to constrain and verify behaviour and keep systems safe and reliable.
  3. Improved edge AI chips and developer tools lower the barrier so the same hardware can run many real-world apps by swapping prompts, but there are cost and energy tradeoffs so early use cases target higher-value scenarios.
Bit Byte Bit • 65 implied HN points • 25 Feb 26
  1. Write a clear, versioned specification before asking an AI to implement a feature so the AI has a single source of truth and won’t make inconsistent architectural or security choices.
  2. Use purpose-built SDD tooling that fits your workflow and codebase; tools that produce spec deltas, a living spec, and an auditable archive make it easy to resume, verify, and evolve work.
  3. SDD reduces rework and improves cross-role review, but it has costs — don’t use it for trivial fixes or pure prototyping, keep specs lean, and watch for spec bloat, drift, and review fatigue.
Democratizing Automation • 142 implied HN points • 02 Feb 26
  1. Arcee released Trinity-Large-Preview, an ultra-sparse MoE with 400B total parameters and about 13B active parameters, plus a public tech report and base models.
  2. LiquidAI’s LFM2.5-1.2B-Instruct punches above its size, often matching larger models in tests and coming with Japanese, vision, and audio variants.
  3. Kimi-K2.5 is a multimodal continual-pretrain model (15T tokens) that’s cheaper and stronger on coding and agent tasks, though its writing quality has slipped compared to earlier K2 models.
Frankly Speaking • 203 implied HN points • 21 Jan 26
  1. Many large cybersecurity companies risk losing relevance if they keep selling into shrinking, legacy markets and only bolt AI onto old architectures instead of rethinking their products.
  2. AI lets security teams build and deploy code and automated remediation themselves, turning security from gatekeepers into builders and reducing the need for big, seat‑based security products.
  3. Security budgets and ownership are moving into engineering so tools must prove clear, high‑impact value and be API‑first and fast to deploy, or they'll be replaced by AI‑native challengers and in‑house solutions.
ChinaTalk • 637 implied HN points • 05 Dec 25
  1. China is trying to catch up in high-bandwidth memory (HBM) technology to improve AI chip performance. They need to overcome several challenges to advance beyond their current HBM2 level.
  2. CXMT, China's leading memory manufacturer, is facing difficulties due to export controls limiting access to advanced manufacturing tools. This could hinder their ability to produce competitive memory products.
  3. While some aspects like etching tools are less of a barrier, significant hurdles remain in the packaging and base die production. Without breakthroughs in these areas, China’s HBM progress may continue to lag behind global leaders.
Obvious Bicycle • 723 implied HN points • 01 Dec 25
  1. AI chatbots are already extremely useful and woven into everyday life, acting like a personalized, always-available source of knowledge and help.
  2. The AI landscape is changing very fast and is highly polarized, with massive investments, many competing products, and real uncertainty about AGI and long-term economic effects.
  3. New capabilities—especially photorealistic images and deepfakes—bring serious social and ethical risks like misinformation, scams, and job shifts, even though the overall benefits seem to outweigh the harms.