Ax Dhruv Atreja, Julia White, Nikhil Nayak, Kelton Zhang, Henrijs Princis, George Hurn-Maloney, Ash Lewis, Urchade Zaratiana 4/14/2026

Pioneer Agent: Continual Improvement of Small Language Models in Production

Pioneer Agent automates continuous improvement of small language models in production through closed-loop data curation, failure diagnosis, and iteration control.

Ax Kyle Waters, Lucas Nuzzi, Tadhg Looram, Alessandro Tomasiello, Ariel Ghislain Kemogne Kamdoum, Bikun Li, Damien Sileo, Egor Kretov, Francesco Fournier-Facio, Georgios Soloupis, Haile Kassahun, Hew Wolff, Jiaqi Cai, Lianghui Li, Marc Roth, Mohinder Naiya, Naixu Guo, Qicheng Tang, Richard Wheeler, Samuele Sala, Serguei Popov, Steven Dillman, Yuqi Li 4/14/2026

COMPOSITE-Stem

COMPOSITE-STEM benchmark with 70 expert-written tasks for evaluating AI agents on physics, biology, chemistry, and materials science problems.

Ax Aayush Mishra, Daniel Khashabi, Anqi Liu 4/14/2026

Steered LLM Activations are Non-Surjective

Research on activation steering in LLMs showing steered states are non-surjective, with implications for interpretability and safety.

Ax Vasilis Kontonis, Yuchen Zeng, Shivam Garg, Lingjiao Chen, Hao Tang, Ziyan Wang, Ahmed Awadallah, Eric Horvitz, John Langford, Dimitris Papailiopoulos 4/14/2026

MEMENTO: Teaching LLMs to Manage Their Own Context

MEMENTO teaches LLMs to compress reasoning into dense summaries, reducing context and compute requirements. Releases OpenMementos dataset of 228K examples.

HN foundermax 4/14/2026

I built an AI CMO because I can't market

Polara autonomous marketing platform using specialist agent architecture for strategy, content, and analytics. No technical validation provided.

HN AmrDabb 4/14/2026

AI Can Now Control Your Mac OS

Desktop automation tool enabling AI agents to control macOS by viewing screens, moving cursor, and typing. Works with OpenAI-compatible models.

HN sonabinu 4/13/2026

The AI Revolution in Math Has Arrived

AI models solve 5 of 6 International Mathematical Olympiad problems in summer 2025. Discusses implications of AI capabilities in mathematical problem-solving.

HN 6digitstudio 4/13/2026

Show HN: AI Native IDE [video]

AI Native IDE called 6digit studio featuring CORDIAL visualization layer for Big Picture Mode. Developer tool with spatial UI designed for distance interaction.

HN ironyman 4/13/2026

The US-China AI Gap Widens in 2026

Analysis of US-China AI capabilities gap in 2026. Premium content discussing relative progress and competition in AI development.

HN rgs1 4/13/2026

The Lucy Syndrome: Why LLMs Forget Corrections

Study examining why LLMs fail to retain corrections across multiple interactions. 19,600-word analysis with lab data from civil engineering firm using Claude Code.

HN wenhan_zhou 4/13/2026

Show HN: Continual Learning with .md

Proposal for LLM continual learning using Markdown files and semantic filesystem for cheap long-term memory without code.

HN taherchhabra 4/13/2026

Show HN: The Harness for Creative Agents

Flickspeed provides shared workspace harness for multimodal creative agents handling image, video, audio, and research tasks. Orchestration platform.