not much happened today

**Kimi-K2 Reasoner** has been integrated into **vLLM** and will soon be supported by **SGLang**, featuring a massive **1.2 trillion parameter MoE** configuration. **Perplexity AI** released research on cloud-portable trillion-parameter MoE kernels optimized for **AWS EFA**, with potential integration into **vLLM**. **IBM's vLLM** team formalized hybrid dense and sparse expert models, supporting models like **Qwen3-Next**, **Nemotron Nano 2**, and **Granite 4.0**. **Kimi-K2** reportedly scores **77% on GPQA Diamond**, outperforming **GPT-4.5** at 71.4%, though this is unverified. **Anthropic** published a guide on efficient tool-heavy agent systems using MCP patterns, drastically reducing context tokens by ~98.7%. **Graphiti MCP** demonstrated shared memory across apps like **Claude Desktop** and **Cursor** for persistent agent memory. **VS Code** introduced an "Agent sessions" feature to unify agent management, including **Copilot** and **Codex**. **Cursor AI** improved coding accuracy via semantic search and code retrieval embeddings. New evaluation frameworks like **CodeClash** and **LMArena** assess agent and coding model performance in realistic multi-round tasks and occupation-tagged leaderboards.