Head-to-Head Comparison
Agentmemory vs Letta Agent
Compare features, pricing, integrations, and community reviews
Agentmemory
AI ToolsThe memory layer your coding agent should have had from day one. 95.2% retrieval R@5. 92% fewer tokens. 0 external databases. Works with every agent.
Letta Agent
AI ToolsLetta Agent is an AI agent featuring an operating system-like architecture. This design manages a 'virtual context,' enabling agents to access memory beyond typical context window limits. It provides hierarchical, editable memory blocks, allowing for explicit control over memory allocation. This architecture supports continuous learning and evolving capabilities, fostering self-editing and persistent agent entities with lifelong histories. Letta Agent is open-source and supports both cloud and self-hosted deployments for its platform.
Pricing
Key Features
- Persistent memory for AI coding agents
- Runs locally
- Zero external databases
- 95.2% retrieval rate
- 92% fewer tokens
- Not available
Community Verdict
Agentmemory
No reviews yet
Letta Agent
No reviews yet
At a Glance
Agentmemory
Best For
ai
Pricing
freemium
Key Features
Persistent memory for AI coding agents, Runs locally, Zero external databases, 95.2% retrieval rate, 92% fewer tokens
Integrations
See website
Letta Agent
Pricing
paid
Key Features
Letta Code, a memory-first coding agent, scored 42.5% on Terminal-Bench. · The platform was renamed 'Letta Agent' from 'MemGPT' in July 2026. · It supports Git-based memory versioning and explicit control over memory allocation.
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