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Where the field
is actually going.

Deep reads on where the field is actually going — architectures, trade-offs, and what we take from them into our own work.

May 2026·9 min read

Three architectures of agent memory — and why Trail picked Compile

Karpathy, Tan, and Liu all start from the same diagnosis — your agent is a retriever, not a thinker. They reach three different architectures: retrieve (RAG), compile (LLM Wiki), and act (Fat Skills / GBrain). Trail picked Compile, deliberately. This is what we accept and what we believe is converging.