Letta Code

A first conformance census of the Testimony Record specification found that none of eight agent memory and framework systems—OMEM, mem0, Graphiti, LangGraph, CrewAI, the OpenAI Agents SDK, AutoGen, an…

Letta AI introduced the Trajectory package, a standardized data format for agent experience that reduces token counts by up to 5.6× compared to native session formats, enabling agents to learn across …

Letta released the open-source trajectory package on July 24, 2026, a standard format for recording coding-agent sessions across harnesses including Claude Code, Codex, and Letta Code. The package red…