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Letta vs Chatbase

LettaChatbase

Bottom line: Letta for teams that need persistent agent memory; Chatbase for support teams automating common questions.

LettaLetta

Stateful AI agents with long-term memory (formerly MemGPT).

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ChatbaseChatbase

Build AI support agents trained on your own data, no code required.

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Votes00
PricingFreemiumFreemium
CategoryAgent FrameworksAgent Frameworks
Tags
agentsmemoryopen-sourcestateful-agentsllm-framework
ai-chatbotcustomer-supportno-coderagai-agents
Best for
  • Teams that need persistent agent memory
  • Builders of long-running assistants
  • Researchers exploring stateful agents
  • Support teams automating common questions
  • SMBs adding chat to their website
  • E-commerce brands on WhatsApp and Instagram
Pros
  • Purpose-built for the agent memory problem
  • Strong research pedigree (MemGPT paper)
  • OS-style tiered memory persists across sessions
  • Open-source core, free to self-host
  • Managed Letta Cloud with free and paid tiers
  • Fast, no-code setup from your own content
  • Multiple deployment channels including WhatsApp and Instagram
  • Mature product with a large user base
  • API available for custom integrations
  • Free plan for testing
Cons
  • Narrower than general agent frameworks
  • Often used alongside other tooling, not a full stack
  • Renamed from MemGPT, some older docs use old name
  • Cloud pricing and tiers still evolving
  • Python-focused
  • Credit-based pricing can escalate with volume
  • Premium models consume more credits per response
  • Extra agents and branding removal are paid add-ons
  • Free plan agents are deleted after inactivity
  • Advanced customization can hit platform limits

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