AI Engineer World's Fair Talks Day 1

**Mistral** launched a new **Code** project, and **Cursor** released version **1.0**. **Anthropic** improved **Claude Code** plans, while **ChatGPT** announced expanded connections. The day was dominated by **AIE** keynotes and tracks including **GraphRAG**, **RecSys**, and **Tiny Teams**. On Reddit, **Google** open-sourced the **DeepSearch** stack for building AI agents with **Gemini 2.5** and **LangGraph**, enabling flexible agent architectures and integration with local LLMs like **Gemma**. A new **Meta** paper analyzed language model memorization, showing GPT-style transformers store about **3.5–4 bits/parameter** and exploring the transition from memorization to generalization, with implications for **Mixture-of-Experts** models and quantization effects.