DeepSeek ships V4.1-Flash: asymmetric MoE, 1/4 the KV cache
552B MoE, native vision, 8B/16B active params, MIT weights. The KV-cache compression DeepSeek wants agents to live with.
Headroom: open-source token compression for AI agents
Headroom v0.27.0 is an Apache-2.0 context-compression layer for AI agents: library, proxy, agent wrapper, and MCP server. Published savings reach 92% on code search and SRE debugging.