i've got 2 for the price of 1 for you: LAB-0005 and LAB-0006. the headlines for 0005: a big maths claim from OpenAI. a model price fight. Grok 4.7 on a real job. what agents might do to app checkout. and a local image model i want to test. how to use GPT-6 Astra to create brand design assets (spoiler alert: the local image model is wild. it does *anything*. without guardrails - scary stuff if put in the wrong hands) check out episode 0005 here: headlines for 0006: Opus 5.5 drops 1.5 hours...
4 days ago • 1 min read
i gave two AI setups the same four hours i built BuilderBench around work i actually use AI for: writing, editing video, designing pages, making motion graphics, using apps, researching decisions and fixing workflows. the first pilot compared Opus 5.5 with Claude and GPT-6 Sol with Codex. same frozen task pack. four hours of offline work, plus a live founder conversation. Extra High reasoning and Standard speed. i scored the anonymous work, then locked my ratings before revealing the names....
4 days ago • 1 min read
7 ai updates that changed how i build this week: we've entered the token scarcity era use a handoff.md for long-running agent tasks check out CUA (Computer Use Agent) if you use Claude agent portability is the new meta; don't get locked in to one app ... ... ... [this one's a fkn doozy!] i'm not gonna make it that easy for you ;) want the last 3 updates? you know what to do! watch LAB 0004 on YouTube speak soon x Lenny
6 days ago • 1 min read
Jev is a new type of AI based on System 1 thinking. wtf does that mean? Daniel Kahneman coined this idea of System 1 and System 2 thinking. basically, S1 makes decisions super fast; S2 thinks slowly about a problem. think: difference between reacting after feeling your hand on a stove vs using mental maths to calculate 69 x 43. since the end of 2024, AI models have been getting better (much, much better) at S2 "long and slow" thinking. that left a gap for S1. until Jev. that's what i dive...
7 days ago • 1 min read
teach AI your inbox rules Lenny's AI Builders - LAB 0003 i don't need a perfect inbox. i want to see the stuff i need to deal with. Email Triage Pro gives me a short list to review across my chosen inboxes. i can tell it what it got wrong, then check how it uses that feedback next time. start with one inbox and a small batch. you can add more once you trust the results. give it three rules archive-safe means mail it can suggest putting away. approve the exact items first, or give it a clear...
9 days ago • 3 min read
yo i'm starting a new format! it's called Lenny's AI Builders (LAB); a "daily" YouTube vid/podcast. tagline: "less scrolling, more 'oh shit, i could do that?" TLDR: i give you the latest AI updates + one thing you can actually use - in under 15 mins. i realized a lil while ago my dream is to have my own show with sponsors - this is the beginning of that dream! i just published episode 0000: let me know what your honest thoughts! and enjoy the jingle ;) Lenny
12 days ago • 1 min read
i understand why Dario wants to slow AI down. and i still want the most powerful fucking model now. so i was conflicted af while reading his essay, We Must Pace the Frontier. i’ve spent tens of thousands of dollars on AI over the last few years. i’ve used it to build my software company. when ChatGPT came out the year after i graduated from law school, i couldn’t stop thinking about how much time it could have saved me. so i’m hardly watching this from the sidelines. i love using this stuff....
15 days ago • 1 min read
i had to ask Astra to explain this one to me. OpenAI says its new internal model solved a maths problem people have worked on for 90 years. it used 10,000 AI agents for 88 hours. the model's still being trained. i filmed my reaction while trying to get my head around what that means. the result is wild. watch my 8-minute reaction here
21 days ago • 1 min read
the day i stopped using my computer. is the same day GPT-6 Astra took over it. this thing is fucking insane at using a computer. in fact - it's probs better than you. don't believe me? go check out this new video. i made Astra do 5.5 demos to show off its ability to use a computer. just watch the first 2 seconds and if you're not blown away by the speed, stop watching (spoiler alert: it was so fast i had to slow the video down to 0.6x so i could actually see it. check it out here. and have a...
23 days ago • 1 min read
