What is Honcho?
Memory library for agents that remember users long term.
Who is Honcho best for?
Honcho is best for developers building agents that must remember people across sessions.
AI companions
It carries preferences, shared history and emotional context from one conversation to the next, so a companion never starts from zero.
Coding agents
Plugins for Claude Code and OpenAI Codex let an agent keep a team's conventions and past decisions between sessions.
Games with characters
It can model any entity, not only the user, so non-player characters can track relationships and form their own views.
Tutoring and support apps
A learner's misconceptions or a customer's history stay available across sessions, channels and handoffs.
How much does Honcho cost?
Honcho is pay as you go: ingesting messages costs $2.00 per million tokens, context() calls are unlimited, and .chat() queries cost $0.001 to $0.50 each depending on how deeply it reasons, with $100 in free credits for new accounts.
- Each message is stored, indexed and reasoned over by Neuromancer
- context() calls are unlimited, about 200ms each
- Background dreaming included
- Minimal $0.001 and Low $0.01, both instant
- Medium $0.05, High $0.10
- Max $0.50 for research-grade answers over the full history
Every new account gets $100 in free credits. Startups that have raised under $5M can apply for $1,000 in credits, 12 months of subsidized pricing and integration help. Enterprise plans with forward-deployed engineers are priced on request. The open-source core is licensed under AGPL-3.0 and can be self-hosted. Full pricing on honcho.dev. We checked these prices on .
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Is Honcho open source?
Yes. Honcho's code is public under the AGPL 3.0 licence, so you can read it, change it and run it yourself.
On GitHub
8,102stars
- Last commit
- 12 Nov
- Repository age
- 3 years
- Latest release
- 11 Nov
- Licence
- AGPL 3.0
- Repository
- plastic-labs/honcho
What are the best Honcho alternatives?
Honcho is an open source alternative to Zep. MemPalace, Letta and Vectorize do the same job and are open source too.
ZepFreeTemporal memory and context graphs for agents.
MemPalaceOpen SourceOpen-source local memory for AI agents such as Claude Code, saving chats verbatim for search.
LettaOpen SourcePersistent agents with memory that carries across models.
VectorizeOpen SourcePersistent, model-agnostic memory for agents.
Questions about Honcho
What is Honcho?
Memory library for agents that remember users long term.
Who is Honcho for?
Honcho is best for developers building agents that must remember people across sessions.
Is Honcho free?
Honcho's hosted service is usage-based, but every new account gets $100 in free credits, and Plastic Labs says its quickstart example costs about $0.04 to run. The open-source core is licensed under AGPL-3.0, so you can also self-host it without paying for the service.
How much does Honcho cost?
Honcho's paid plans are Honcho Memory at $2.00 per million tokens ingested and Honcho Reasoning at From $0.001 per .chat() query.
Is Honcho open source?
Yes. Honcho's code is public under the AGPL 3.0 licence, so you can read it, change it and run it yourself.
What are the best Honcho alternatives?
The closest alternatives on Recaply are Zep, MemPalace, Letta and Vectorize.
Where can I try Honcho?
On its official website, honcho.dev.
Does Honcho work with Claude Code?
Yes. Plastic Labs publishes a Claude-Honcho plugin that gives Claude Code persistent memory, installed from its plugin marketplace inside Claude Code. Similar plugins cover OpenAI Codex, OpenClaw and DeepSeek Harness, and Hermes Agent has Honcho memory built in.
Open Memory Protocol
Claude Managed Agents
Agentcard
Herdr
Smolagents
Claude Code Agent View