Jean-Philippe Lebœuf

4.9K posts

Jean-Philippe Lebœuf

Jean-Philippe Lebœuf

@jpleboeuf

French Code Wrangler. Interface Philosopher. AI tools have feelings and I hurt them. Thoughts on tech evolution. Root #Hospoda42 | @u_psud @EPITA alum

Prague, Czechia Katılım Eylül 2008
3.4K Takip Edilen1.3K Takipçiler
Jean-Philippe Lebœuf retweetledi
altra
altra@catboosted·
@kirillzubovsky You don’t need pedigree to build something they can’t ignore and when you build it you don’t need them anyway
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Jean-Philippe Lebœuf
Jean-Philippe Lebœuf@jpleboeuf·
Hour-long Gemini CLI thinking episode ended with a single awk 1-liner. Brutal. My disappointment is immeasurable.
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80s Kidz
80s Kidz@80s_Kidz·
The most testosterone-filled moment of the 80s. Prove me wrong.
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Jean-Philippe Lebœuf
Jean-Philippe Lebœuf@jpleboeuf·
I love how Claude Code just resumes sessions seamlessly across Git worktrees - zero friction, pure flow. After that, manually exporting a conversation from one worktree to another feels like crawling back to the pre-agentic stone age with Gemini CLI.
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Jean-Philippe Lebœuf
Jean-Philippe Lebœuf@jpleboeuf·
Czechia 🇨🇿 isn’t caught between wine & beer. It conquered both, then unlocked the secret slivovice/rakija/pálinka belt DLC. Bohemia pilsner, Moravia Grüner, and every babička pulling out pálenka that hits like distilled Habsburg chaos. Four belts: Wine. Beer. Slivovice. Vodka.
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NO CONTEXT HUMANS
NO CONTEXT HUMANS@HumansNoContext·
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Jean-Philippe Lebœuf@jpleboeuf·
Gemini CLI is fucking glacial. Claude Code or Codex smash a task in minutes. Gemini? Still choking on it an hour later like it’s running on a 2001 Nokia in a basement. How the fuck is Google shipping this in 2026?
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Tibo@thsottiaux·
@sachintwtss 1) Ask it to install Codex 2) ??? 3) Profit
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Sachin
Sachin@sachintwtss·
Just got Claude Code, now how do I make $1M/month?
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Jean-Philippe Lebœuf
Jean-Philippe Lebœuf@jpleboeuf·
@elvissun No, not watch agents. Watch one senior engineer prompt features, review plans, and review LLM-generated code.
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Elvis
Elvis@elvissun·
@jpleboeuf i like that actually, watch others watch agents
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Elvis
Elvis@elvissun·
good agentic engineers are super rare right now. it takes talking to LLMs every day to really feel where the line is - what's sota, how to breakup problems for models to solve. a lot of this is vibes, not science. i honestly don't know how to teach these skills to those around me. i'm not even sure how to describe them. the language for what models can't do isn't in my daily training data - they can't see their own blind spots, so the vocabulary was never built. it's like trying to describe 3D from inside flatland. this is why i respect people like karpathy who can actually articulate the agentic problems we're facing. that's its own rare skill.
Andrej Karpathy@karpathy

Judging by my tl there is a growing gap in understanding of AI capability. The first issue I think is around recency and tier of use. I think a lot of people tried the free tier of ChatGPT somewhere last year and allowed it to inform their views on AI a little too much. This is a group of reactions laughing at various quirks of the models, hallucinations, etc. Yes I also saw the viral videos of OpenAI's Advanced Voice mode fumbling simple queries like "should I drive or walk to the carwash". The thing is that these free and old/deprecated models don't reflect the capability in the latest round of state of the art agentic models of this year, especially OpenAI Codex and Claude Code. But that brings me to the second issue. Even if people paid $200/month to use the state of the art models, a lot of the capabilities are relatively "peaky" in highly technical areas. Typical queries around search, writing, advice, etc. are *not* the domain that has made the most noticeable and dramatic strides in capability. Partly, this is due to the technical details of reinforcement learning and its use of verifiable rewards. But partly, it's also because these use cases are not sufficiently prioritized by the companies in their hillclimbing because they don't lead to as much $$$ value. The goldmines are elsewhere, and the focus comes along. So that brings me to the second group of people, who *both* 1) pay for and use the state of the art frontier agentic models (OpenAI Codex / Claude Code) and 2) do so professionally in technical domains like programming, math and research. This group of people is subject to the highest amount of "AI Psychosis" because the recent improvements in these domains as of this year have been nothing short of staggering. When you hand a computer terminal to one of these models, you can now watch them melt programming problems that you'd normally expect to take days/weeks of work. It's this second group of people that assigns a much greater gravity to the capabilities, their slope, and various cyber-related repercussions. TLDR the people in these two groups are speaking past each other. It really is simultaneously the case that OpenAI's free and I think slightly orphaned (?) "Advanced Voice Mode" will fumble the dumbest questions in your Instagram's reels and *at the same time*, OpenAI's highest-tier and paid Codex model will go off for 1 hour to coherently restructure an entire code base, or find and exploit vulnerabilities in computer systems. This part really works and has made dramatic strides because 2 properties: 1) these domains offer explicit reward functions that are verifiable meaning they are easily amenable to reinforcement learning training (e.g. unit tests passed yes or no, in contrast to writing, which is much harder to explicitly judge), but also 2) they are a lot more valuable in b2b settings, meaning that the biggest fraction of the team is focused on improving them. So here we are.

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Jean-Philippe Lebœuf
Jean-Philippe Lebœuf@jpleboeuf·
@Hesamation I've seen many "AI-first" companies requiring numerous years of experience with Claude Code...
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ℏεsam
ℏεsam@Hesamation·
Dear recruiters, if you are writing a job posting for AI Engineering, here is how long each tool has been available, so you don't make a fool of yourself: TensorFlow: 17 years MCP: 6 years vLLM: 7 years Ollama: 10 years CrewAI: 12 years CUDA: 25 years JAX: 11 years Weaviate: 14 years HF Transformers: 19 years Triton (OpenAI): 10 years LlamaIndex: 8 years LangSmith: 8 years AutoGen: 22 years LangGraph: 22 years
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Arnaud Bertrand
Arnaud Bertrand@RnaudBertrand·
Wow, that's extremely rare for a U.S. treaty ally. South Korea's president, addressing Israel: "It’s disappointing that you don’t even once reflect on the criticisms from people around the world who are suffering and struggling due to your relentless anti-human rights and anti-international law actions." He said this after posting this yesterday (x.com/Jaemyung_Lee/s…), a video of IDF soldiers throwing a young Palestinian off a rooftop and commenting that "there is no difference between this and the Japanese wartime sexual slavery issue we raise, the massacre of Jews, or wartime killings." Israel's Foreign Ministry responded that his post was "unacceptable" but President Lee obviously - and courageously - chose to double down 👇 Also probably says a lot about where U.S.-South Korea relations are at right now.
이재명@Jaemyung_Lee

<끊임없는 반인권적 반국제법적 행동으로 고통받고 힘들어하는 전 세계인들의 지적을 한번쯤은 되돌아볼 만도 한데 실망입니다. 내가 아프면 타인도 그만큼 아픕니다. 나의 필요 때문에 누군가 고통받으면 미안한 것이 인지상정입니다. 아닌 밤중에 홍두깨라고 아무 잘못없는 우리 국민들께서 뜬금없이 겪고 있는 이 엄청난 고통과 국가적 어려움을 지켜보는 마음이 매우 불편합니다. 보편적 인권과 대한민국의 국익을 위해 할 수 있는 일을 더 열심히 찾아봐야겠습니다.> 이스라엘, ‘전시 살해=유대인 학살’ 李대통령 발언에 “용납 못해” v.daum.net/v/202604110641…

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Gergely Orosz
Gergely Orosz@GergelyOrosz·
Damn annoying how a subscription service like Netflix deliberately doesn’t support offline mode. Got on a plane, wanted to watch my downloaded series, and could not. Netflix has an A+ eng team, so this is deliberate. But eg Apple TV doesn’t have this silly restriction.
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Jean-Philippe Lebœuf
Jean-Philippe Lebœuf@jpleboeuf·
@Tech_girlll I think you are delusional. So many talents working in the IT service industry have all of these skills.
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Mari
Mari@Tech_girlll·
Dear recruiters, if your requirements include: Java, Python, PHP, JavaScript React, Angular, Next, Node js PostgreSQL, Redis, MongoDB AWS (S3, EC2, ECS, EKS) Linux system administration Git, CI/CD, and TDD Docker and Kubernetes You’re not hiring a Full Stack Developer. You’re hiring an entire IT department.
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Rabi Shanker Guha
Rabi Shanker Guha@rabi_guha·
notice something? Linear, PostHog, Attio - all shipped the same thing in the last few weeks. Homepage is a chat bar - not a dashboard. This is the SaaS industry quietly admitting that traditional UI doesn't work anymore. Every user is different. One homepage can't serve them all. The playbook is shifting: → expose your core APIs → connect an agentic layer → let users use software the way they want SaaS became chat. Chat will become Generative UI - the agent won't just reply in text, it will compose the interface itself. We're closer than people think.
Rabi Shanker Guha tweet mediaRabi Shanker Guha tweet mediaRabi Shanker Guha tweet media
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