Compare Letta

Palace vs Letta for coding-agent memory
focused memory

Letta is oriented around stateful agents and agent applications. Palace is a memory layer for existing coding agents and MCP clients.

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Works with Cursor, Claude Code, Codex, and other MCP-capable clients.
Combines semantic retrieval, BM25-style search, diaries, and knowledge graph recall.
Open-source MIT core for solo developers; paid server for shared team memory.

Different product shape

If you are building new stateful agent applications, an agent framework may be the right fit.

Where Palace fits

Palace meets developers where they already work: Cursor, Claude Code, Codex, Claude Desktop, and MCP. It gives those tools a shared memory backend.

Security posture

For engineering teams, Palace emphasizes self-hosted deployment, local embeddings, and memory ownership.