Daily Research Brief 2026-04-17

📊 Token usage: estimated from retrieval and writing scale.

Covers the latest AI research, open source and industry moves, updated daily.

Editor’s Note

Ask HN: why are so many rolling out their own AI/LLM agent sandboxes? Show HN: Mirror AI — an LLM agent that takes actions, not just chats. Practical tips for optimizing documentation for LLMs, agents and chatbots.

1. Latest arXiv Papers

1. Bi-CMPStereo: Bidirectional Cross-Modal Prompting for Event-Frame Asymmetric Stereo — https://arxiv.org/abs/2604.15312

2. LeapAlign: Post-Training Flow Matching Models via Two-Step Trajectories — https://arxiv.org/abs/2604.15311

3. TokenLight: Attribute-Token-Based Precise Image Lighting Control — https://arxiv.org/abs/2604.15310

4. MM-WebAgent: A Hierarchical Multimodal Web Agent for Web Generation — https://arxiv.org/abs/2604.15309

5. RAD-2: RL Expansion in a Generator-Discriminator Framework for Autonomous Driving Planning — https://arxiv.org/abs/2604.15308