Ax Joaqu\'in Polonuer (Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA, Departamento de Computaci\'on, FCEyN, Universidad de Buenos Aires, Buenos Aires, Argentina), Lucas Vittor (Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA), I\~naki Arango (Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA), Ayush Noori (Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA, Department of Engineering Science, University of Oxford, Oxford, UK), David A. Clifton (Department of Engineering Science, University of Oxford, Oxford, UK, Oxford Suzhou Centre for Advanced Research, University of Oxford, Suzhou, Jiangsu, China), Luciano Del Corro (ELIAS Lab, Departamento de Ingenier\'ia, Universidad de San Andr\'es, Victoria, Argentina, Lumina Labs, Buenos Aires, Argentina), Marinka Zitnik (Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA, Kempner Institute for the Study of Natural and Artificial Intelligence, Allston, MA, USA, Broad Institute of MIT and Harvard, Cambridge, MA, USA, Harvard Data Science Initiative, Cambridge, MA, USA) 4/30/2026

Autonomous Knowledge Graph Exploration with Adaptive Breadth-Depth Retrieval

ARK: Adaptive retrieval system for knowledge graphs balancing breadth-first and depth-first search to support multi-hop LLM queries.

Ax Ga\"etan Hadjeres, Marc Ferras, Khaled Koutini, Benno Weck, Alexandre Bittar, Thomas Hummel, Zineb Lahrichi, Hakim Missoum, Joan Serr\`a, Yuki Mitsufuji 4/30/2026

Woosh: A Sound Effects Foundation Model

Woosh: Sony AI's open-source sound effects foundation model with audio encoder/decoder and text-to-audio generation capabilities.

Ax Davyd Naveriani, Albert Zeyer, Ralf Schl\"uter, Hermann Ney 4/30/2026

Diffusion Language Models for Speech Recognition

Application of masked diffusion language models and uniform-state diffusion models for ASR hypothesis rescoring in speech recognition.

HN noleary 4/30/2026

Mike: open-source legal AI

Open-source legal AI platform using Claude/Gemini APIs. Features document reading, citation, multi-step workflows for contract drafting with user-controlled model selection.

HN recouptreadmill 4/29/2026

Show HN: Claude Code Web UI

Web UI for Claude Code that runs as a browser-accessible server, adding diff viewer, file viewer, message search, and plan-mode approvals.