reinforcement learning
Training by reward: environments, verifiable tasks, value functions, and whether it works or merely beats what came before.
FilterEveryone, all time1614 from 517 people
- BD
Brad DeLong quoted
Economics professor at the University of California
Our readingIt is too early to declare AI demand exhausted because of a lack of actual profitable usage cases.
Their wordsIt is way too early to declare AI demand exhausted because of a lack of actual profitable usage cases
↗Spending on “Tokens”: CHART OF THE DAYbraddelong.substack.com
- ZM
Zvi Mowshowitz quoted
Writes Don't Worry About the Vase
Their wordsIt is clearly sculpted to optimize for Anthropic business interests.
↗Anthropic Does Not Understand Why Its Draft Bill Was Unacceptable and Troublingthezvi.substack.com
- 3 days earlier
- NL
Nathan Lambert quoted
Machine-learning researcher on open language models
Their wordsDespite this massive scaling in resources, the technical core of the industry still doesn’t have a high hit rate on predicting how successful a model will be in real-world usage.
↗Meta shakes up the frontiers, open and closedinterconnects.ai
- 1 day earlier
- DH
David Heinemeier Hansson quoted
Creator of Ruby on Rails, CTO of 37signals
Their wordsStarship, Starlink, Grok, and Roadster. These should all have been Sputnik moments for Europe. Triggered immediate deregulation, mobilization of capital, and ambition to catch up.
- NS
Noah Smith quoted
Economics writer; author of the Noahpinion newsletter
Their wordsthe doomers provide a valuable service to the world, but at some point you have to realize that they are STRUCTURALLY doomer. They will never feel safe or optimistic about AI no matter what happens.
- 1 day earlier
- ZM
Zvi Mowshowitz quoted
Our readingThe safety culture at AI labs is broken.
Their wordsFinally, I emphasized that the safety culture at the labs is broken, which is one of the most important facts about the world.
- 1 day earlier
- MS
M.G. Siegler quoted
Technology writer of Spyglass
Their words$299 feels downright reasonable for what is clearly a thoughtfully designed and elegant looking home computer centerpiece.
- MS
M.G. Siegler quoted
Our readingThe HomeView may lead to a fairly confusing and perhaps far less performant product experience.
Their wordsBut I'm also going to guess this will lead to a fairly confusing and perhaps far less performant product experience.
- SP
Sunil Pai quoted
Systems and developer-tools engineer at Cloudflare as of 2026
Their wordsit's a sad reality of the world we live in that people are still judged for things entirely outside their control, things they were born with and cannot reasonably be expected to change.
- FC
François Chollet quoted
Creator of the Keras deep-learning library and the ARC-AGI benchmark
Their wordsYou can't solve real-world physical tasks through autoregressive sampling alone.
- MB
Matt Birchler quoted
Designer, product manager
Their wordsin a world where it's impossible to make purely moral decisions in everything we do, we should all recognize where we're making trade-offs and not try to paint ourselves as being purely logical.
- 1 day earlier
- NS
Noah Smith quoted
Their wordsThe world would be much better if Russia were cut off from all internet access, forever.
- MS
M.G. Siegler quoted
Their wordsAnyway, the writing was clearly on the wall for Character at that point, the bigger point remains what a disaster these "hackquisitions" are turning out to be.
↗A Couple Elephants in the Character.AI Bankruptcy Roomspyglass.org
- DH
David Heinemeier Hansson quoted
Their wordsWe should thank our lucky stars that Linus isn't part of the anti-ai nonsense that's ravaging the old Linux world.
- MS
M.G. Siegler quoted
Their wordsThis clearly – clearly – should have been a movie that went right to streaming.
- MH
Mitchell Hashimoto quoted
Creator of Ghostty and co-founder of Superlogical
Our readingThe entire industry may soon be able to drop their heuristics and get deterministic status updates.
Their wordsIn less than a week I think we're nearly at a place where the entire industry can drop their heuristics and get deterministic status updates.
- BD
Brad DeLong quoted
Our readingAs LLMs are enmeshed in human cognition, they increasingly do not act as stochastic parrots.
Their wordsProperly trained, RAGed, and harnessed LLMs may still be stochastic parrot, but as they are enmeshed in the spheres of human cognition and public reason they increasingly do not act as stochastic parrot.
↗CROSSPOST: JOHN GRUBER & BEN THOMPSON: Meanness & Claudebraddelong.substack.com
- PG
Paul Graham quoted
Co-founder of Y Combinator and Viaweb
Their wordsAt this point, nearly all of it. I can't promise that will be true in 10 years, but at this moment, starting a startup is much the same as always.
- KD
Kent C. Dodds quoted
Software engineer and educator
Their wordspreventing it, is a pretty simple 3 pronged process: 1. Ensure agents create high quality PRs in the first place 2. Have good agent PR reviewers to catch problems before they get to prod 3. Use feature flags and have a (regularly tested) disaster recovery process if a problem manages to make it to prod
- 1 day earlier
- PK
Paul Krugman quoted
Trade economist, Nobel laureate in 2008 for his work…
Their wordsI might add that this is general issue with Trump: he often touts trivial policies as major achievement, and it often seems obvious that he has no idea how big America and the world are.
↗Arithmetic Suffers from Trump Derangement Syndromepaulkrugman.substack.com
- DH
David Heinemeier Hansson quoted
Their wordsThe entire copyleft licensing regime was built for a "software is scarce and precious" world that no longer exists.
- PL
Pieter Levels quoted
Dutch bootstrapper who builds and runs his internet startups alone
Their wordsI'd expand the moats left to: Proprietary data or content: data nobody else has, or unique content you can create Network effects / community: users make it more valuable for each other Audience / distribution: you can get attention on demand Physical component: hardware, locations, real-world operations Capital: owning assets and investing (esp into the AI companies as they are and will suck up large parts of the economy) Regulatory: licenses and legal barriers
- DD
Daniel W. Drezner quoted
Political scientist writing Drezner’s World on international relations
Their wordsMaybe it will not formally happen until after the midterms but Kimberly Guilfoyle’s time as an ambassador is nearing its end.
↗Kimberly Guilfoyle’s Two Weeks Noticedanieldrezner.substack.com
- DD
Daniel W. Drezner quoted
Their wordsMake no mistake, however, as the Guilfoyle leaks multiply, she’s not long for this administration.
↗Kimberly Guilfoyle’s Two Weeks Noticedanieldrezner.substack.com
- PL
Pieter Levels quoted
Their wordsYou can get very rich on helping IRL businesses with the transition to AI and automating everything for them
- PL
Pieter Levels quoted
Their wordsThey'll have to to stay competitive because if one adapts AI, they all have to!
- PL
Pieter Levels quoted
Their wordsThere's ~40 million software developers in the world There's 2 billion people regularly using AI tools now So that's 50x, it'll grow to the same number as internet access, that's 6 billion people, so 200x more AI users than devs
- 1 day earlier
- DH
David Heinemeier Hansson quoted
Their wordsCapitalism is the greatest engine of growth and prosperity the world has ever seen.
- PL
Pieter Levels quoted
Their wordsIn transitionary times, it's better to spot the big waves early and adapt, than try ignore it, fight it, because you can't fight nature
- GO
Gergely Orosz quoted
Writes The Pragmatic Engineer
Our readingMusk's companies treat engineers poorly
Their wordswhy anyone with options to join Ant or OpenAI or GDM would join SpaceX given how poorly Musk companies treat engineers