Hey HN, I wanted to share a new project we've been working on for the last couple of months called ART (https://github.com/OpenPipe/ART).
ART is a new open-source framework for training agents using reinforcement learning (RL). RL allows you to train an agent to perform better at any task whose outcome can be measured and quantified.
There are many excellent projects focused on training LLMs with RL, such as GRPOTrainer (
In my long career as an “almost digital entrepreneur” (a fancy way to say I’ve tried a thousand things online without making a single cent), I never really felt that “this is it, I’m so close, I’ll finally quit everything and update my passport: job title? SaaS founder.”
(Small detail: I don’t even have a passport. But I like to imagine that if I did, I’d want something cooler than “unemployed creative” written on it).
For years, I collected side projects, hobbies, half-dead MVPs, and ra
Hello HN,
We built Promptrepo to make finetuning accessible to product teams — not just ML engineers. Last week, OpenAI’s CPO shared how they use fine-tuning for everything from customer support to deep research, and called it the future for serious AI teams. Yet most teams I know still rely on prompting, because fine-tuning is too technical, while the people who have the training data (product managers and domain experts) are often non-technical. With Promptrepo, they can now:
- Add tra
Article URL: https://github.com/deepseek-ai/DeepSeek-Prover-V2
Comments URL: https://news.ycombinator.com/item?id=43847432
Points: 137
# Comments: 26
Article URL: https://blog.google/technology/google-labs/notebooklm-audio-overviews-50-languages/
Comments URL: https://news.ycombinator.com/item?id=43848325
Points: 55
# Comments: 21
https://blog.google/technology/google-labs/notebooklm-audio-overviews-50-languages/
Article URL: https://tennysontbardwell.com/blog/2025/04/30/mechanical-computing/index.html
Comments URL: https://news.ycombinator.com/item?id=43848398
Points: 12
# Comments: 1
https://tennysontbardwell.com/blog/2025/04/30/mechanical-computing/index.html
Article URL: https://kasurian.com/p/lebanese-space-program
Comments URL: https://news.ycombinator.com/item?id=43843808
Points: 16
# Comments: 1