Daily Research Brief 2026-08-13

📊 Token usage: estimated from retrieval and writing scale.

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

Editor’s Note

Spreading today’s 24 items out, the AI industry chain is being rewritten on four levels at once — models becoming commodity, execution harnesses maturing, agent memory becoming a first-class citizen, and safety/alignment moving into the runtime.

1. Latest arXiv Papers

1. MBA: Multimodal Benchmark and Agents for Real-World Business Ideation — https://arxiv.org/abs/2608.11616

2. Beyond Trial-and-Error: Agentic Optimization for Image-to-Video Adherence — https://arxiv.org/abs/2608.12290

3. MMDiff: Multimodal Model Diffing for Capability Isolation and Control — https://arxiv.org/abs/2608.09928

4. MESA: Task-Adaptive Multi-Structure Evidence Selection for Long-Horizon Agent Memory — https://arxiv.org/abs/2608.10108

5. InSight-doc: Agentic Visual Perception for Long-Document Understanding — https://arxiv.org/abs/2608.10628

6. Towards a Formal Definition of Agent Memory — https://arxiv.org/abs/2608.11654

7. LoongReflect: Long-Horizon Reflection in Search Agents — https://arxiv.org/abs/2608.11967

8. HarmoniDPO: Video-guided Audio Generation via Preference-Optimized Diffusion — https://arxiv.org/abs/2608.11913