Honcho
Memory library and service for building stateful agents that remember users.
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Use cases
About Honcho
Honcho is listed in our memory & RAG category and is aimed at builders. Memory library and service for building stateful agents that remember users. Pricing, as the maker states it: Open source + cloud. Maturity: Mature. We last checked the official link on 2026-10-16.
What is Honcho?
Honcho, from Plastic Labs, is memory infrastructure for stateful agents that understand changing people, agents, groups, projects and ideas over time.
You store messages and events, Honcho reasons over them in the background, and you query peer representations, session context, search results or insights from any model or framework. It runs managed at api.honcho.dev or locally.
Sources: the official README and our directory listing, checked 2026-10-18. Official site: honcho.dev/docs/v3/documentation/introduction/overview.
Who is Honcho for?
Developers building agents that need to remember and understand their users over time.
Honcho at a glance
- Open source: Yes (GNU AGPL v3.0)
- GitHub: plastic-labs/honcho · 7,720 stars (as of Oct 21, 2026)
Key features
- Background reasoning over messages
- Peer representations and session context
- Works with any model or framework
- Managed or self-hosted
Honcho FAQ
What is Honcho?
Honcho, from Plastic Labs, is memory infrastructure for stateful agents that understand changing people, agents, groups, projects and ideas over time.
Who is Honcho for?
Developers building agents that need to remember and understand their users over time.
Is Honcho free?
Honcho's pricing, as the maker states it: Open source + cloud. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is Honcho open source?
Yes. Honcho is released under the GNU AGPL v3.0, according to its GitHub repository.
What are alternatives to Honcho?
Similar tools include Cognee, AgentMemory, EverOS, Pixeltable, MemOS and UltraRAG.
Honcho ratings and reviews
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Honcho alternatives
Other memory & RAG tools in our directory. See all memory & RAG tools →
Cognee
Open-source memory platform that builds knowledge graphs so agents keep long-term memory.
AgentMemory
Persistent memory layer for AI coding agents.
EverOS
Local-first, portable memory layer for AI agents stored as Markdown.
Pixeltable
Multimodal data layer that combines storage, transforms, indexing and retrieval in one Python library for building agents over images, video and documents.
MemOS
Memory operating system for LLMs and agents with persistent memory and retrieval.
UltraRAG
Low-code MCP-based framework from OpenBMB for building and debugging complex RAG pipelines with visible reasoning logic.
Related lists
🏆 Ranked in: Mem0 alternatives
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🧭 Task guides: Memory tools for building AI agents
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