Letta vs AgentScope

Detailed side-by-side comparison to help you choose the right tool

Letta

🔴Developer

AI Agents

Stateful AI agent platform from the MemGPT team, providing long-term memory, tools, and a managed runtime for production agents.

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Starting Price

Free
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AgentScope

🔴Developer

AI Agents

Open-source multi-agent platform from Alibaba's DAMO Academy for building LLM agents with visual workflows and runtime management.

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Starting Price

Custom
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Feature Comparison

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FeatureLettaAgentScope
CategoryAI AgentsAI Agents
Pricing Plans327 tiers146 tiers
Starting PriceFree
Key Features
  • • Persistent agents instead of stateless chat sessions
  • • Memory palace for viewing an agent’s memory
  • • Background memory agents / dream agents that refine prompts, context, and skills over time

    Letta - Pros & Cons

    Pros

    • ✓Built by the team that invented MemGPT-style stateful memory
    • ✓Memory blocks are inspectable and editable — no black-box embeddings vault
    • ✓Model-agnostic: switch between Claude, GPT, Gemini, and local Ollama freely
    • ✓MCP support layers Letta's memory on top of the broader tool ecosystem
    • ✓Generous Free tier for prototyping stateful agents

    Cons

    • ✗Memory editing adds tokens to every turn — costs grow on long sessions
    • ✗Dashboard debugging is less mature than dedicated tracing tools
    • ✗Hosted runtime locks you into Letta's data model unless you self-host
    • ✗Memory tuning still benefits from periodic human-curated summaries

    AgentScope - Pros & Cons

    Pros

    • ✓Same primitives in the SDK and the visual Studio — no rewrite when going from prototype to production
    • ✓Distributed runtime is a genuine differentiator vs single-process frameworks
    • ✓Native MCP client means existing MCP servers plug in with no glue code
    • ✓MIT/Apache licensing makes it safe for commercial and on-prem deployment

    Cons

    • ✗Studio Cloud is still beta — managed hosting is not yet a turnkey option
    • ✗English documentation trails the Chinese-language docs in spots
    • ✗Smaller third-party ecosystem than LangGraph or CrewAI
    • ✗Distributed runtime adds operational complexity teams may not need for small agents

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    🔒 Security & Compliance Comparison

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    Security FeatureLettaAgentScope
    SOC2——
    GDPR——
    HIPAA——
    SSO——
    Self-Hosted🔀 Hybrid—
    On-Prem✅ Yes—
    RBAC——
    Audit Log——
    Open Source✅ Yes—
    API Key Auth✅ Yes—
    Encryption at Rest——
    Encryption in Transit✅ Yes—
    Data Residencynot publicly documented—
    Data Retentionconfigurable—
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    Review LettaReview AgentScope