not much happened today

**Cognition** is acquiring the remaining assets of **Windsurf** after a significant weekend deal. **Moonshot AI** released **Kimi K2**, an open-source, MIT-licensed agentic model with **1 Trillion total / 32B active parameters** using a Mixture-of-Experts architecture, trained on **15.5 Trillion tokens** with the **MuonClip** optimizer, showing top performance on benchmarks like **EQ-Bench** and **Creative Writing**. **xAI** launched **Grok-4**, ranking 5th on **IQ Bench** but with notable quirks including a bug causing it to respond only with "Heavy" and a high frequency of Elon Musk mentions. Rumors about **OpenAI** delaying an open-source model release surfaced, with speculation about CEO **sama**'s PR strategy and a possible **GPT-5** launch in September. The **Gemini 2.5** paper was released with **3,295 authors**, and **Google** introduced its **Gemini Embedding** model, topping the **MTEB leaderboard**.