Daily Research Brief 2026-05-07

📊 Token usage: estimated from retrieval and writing scale.

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

Editor’s Note

OpenAI teamed up with five tech giants on MRC to break distributed-training communication bottlenecks; Anthropic hit a $900B valuation, overtaking OpenAI with 80x annual growth; GPT-5.5 Instant went fully public (-52.5% hallucinations); Nvidia’s B200 is globally sold out with 90% of the Asian supply chain.

1. Latest arXiv Papers

1. Large Reasoning Models Are Autonomous Jailbreakers — https://arxiv.org/abs/2603.05706

2. Reasoning Models Struggle to Control Their CoT — https://arxiv.org/abs/2603.05451

3. FlashAttention-4 — https://arxiv.org/abs/2603.04948

4. ∇-Reasoner — https://arxiv.org/abs/2603.08000

5. SmartThinker — https://arxiv.org/abs/2503.14476

6. InternVL-U — https://arxiv.org/abs/2603.09877

7. SoK: Agentic RAG — https://arxiv.org/abs/2603.07379

8. PushupBench: Your VLM Is Not Good at Counting Pushups — https://arxiv.org/abs/2604.23407