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Comparison

Myco vs Letta: Agent Runtime Memory vs Organization Memory Layer

Letta is excellent for agent runtime orchestration. Myco is purpose-built as the persistent memory substrate teams share across agents.

FeatureMycoLetta
Primary scopeKnowledge substrateAgent runtime
Bi-temporal fact historyYesNo
Workspace governanceNativeLimited
Cross-agent shared memoryNativeCustom
Source-linked provenanceBuilt-inPartial
Operational modeCloud + self-hostedOpen runtime

Bottom line

Use Letta when you need runtime agent loops. Use Myco when you need durable shared memory, lineage, and governance across your stack.

FAQ

Can I use Myco and Letta together?

Yes. Many teams can use Letta for agent runtime and Myco as the persistent memory backend.

Does Myco support workspace isolation?

Yes. Myco uses workspace-scoped isolation and row-level security semantics.