AgentIndex icon
AgentIndex
ToolsCategoriesTrendingNewCompare
Submit Tool
Home/
Compare/
letta vs Zengram
letta logo
letta
★ 23.0k
vs
Zengram logo
Zengram
★ 40

letta vs Zengram

letta: Letta is a powerful platform for building stateful AI agents equipped with advanced memory, enabling them to learn and self-improve over time. It provides both a command-line interface for local agent execution and a comprehensive API with Python and TypeScript SDKs for seamless integration into applications.; Zengram: Zengram is a shared memory system for multi-agent AI systems, enabling agents to store and retrieve memories across machines. It features typed memory, dual storage (Qdrant + SQLite/Postgres), multi-path search, and cross-agent capabilities like briefings and corroboration. Self-hosted, open-source, with MCP server and SDKs.

01

TL;DR

letta logoChoose letta if…

Running AI agents locally in your terminal for coding and general tasks.

Zengram logoChoose Zengram if…

Cross-agent memory sharing across different machines

02

Side-by-Side Comparison

Field
letta logoletta
Zengram logoZengram
Category
Memory & Context
Memory & Context
Stars
★ 23.0k
★ 40
License
Apache-2.0
MIT
Updated
2w ago
1mo ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
Stateful AI, Agent Platform, Advanced Memory
claude, claude-ai, claude-code
03

Features

letta logoletta
01Build stateful AI agents with advanced memory
02Agents capable of learning and self-improvement over time
03CLI tool for running agents locally in your terminal
04Comprehensive API for integrating agents into applications
05Support for skills and subagents; fully model-agnostic
Zengram logoZengram
01Typed memory: events, facts, statuses, decisions
02Dual storage with semantic and structured search
03Multi-path search (vector, BM25, entity graph) with RRF fusion
04Cross-agent capabilities: briefings, corroboration, credential scrubbing
05Self-hosted, open-source, with MCP server and SDKs
04

Use Cases

letta logoletta
↳Running AI agents locally in your terminal for coding and general tasks.
↳Integrating stateful AI agents into custom applications using the API and SDKs.
↳Developing self-improving AI systems that adapt and learn continually.
Zengram logoZengram
↳Cross-agent memory sharing across different machines
↳Session reflection and context retrieval for agents
↳Logging memories from automation tools (e.g., n8n) for AI agents
05

Best For

letta logoletta
Most PopularTrendingEssential
Zengram logoZengram
TrendingMulti-AgentMemory & Context
FAQ

FAQ

What is the difference between letta and Zengram?
Both letta and Zengram are in the Memory & Context category. letta has 23.0k stars, while Zengram has 40 stars.
Which is better, letta or Zengram?
The best choice depends on your use case. Choose letta if Running AI agents locally in your terminal for coding and general tasks., and Zengram if Cross-agent memory sharing across different machines.
Is letta free or open source?
Yes, letta is open source on GitHub (Apache-2.0).
Is Zengram free or open source?
Yes, Zengram is open source on GitHub (MIT).
→

Related

Alternatives to letta →Alternatives to Zengram →letta details →Zengram details →
© 2026 AgentIndex.app|Built by a 10-year iOS Developer.
QYSGitHubBuy me a coffee ☕

Browse by Category

Code AssistantWorkflow AutomationRAG / Knowledge BaseMulti-AgentBrowser AutomationLLM InfraDev ToolingObservability

Not affiliated with Anthropic, OpenAI or Microsoft.