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Honcho
Plastic Labs' memory library and server for stateful agents: stores messages, reasons in the background, and maintains per-peer representations queried in natural language.
honcho.dev/Active
v3.4.0 released 2026-10-22; repo pushed 2026-10-25. (checked 2026-10-25)
In Agent memory
Where it stands apart
- How is the main thing licensed? copyleft or source-available with restrictions (5% of 21 others)
- Which shared standard or format does it mainly build on? a SQL database (Postgres, SQLite) (14% of 21 others)
- What is the main storage model for long-term memory? structured records: profiles, tiers, or tables (15% of 20 others)
What it shares with most of the community
- Is it actively maintained? active (67% of 21 others)
- How is it mainly sustained? company with a paid product, tier, or ads (75% of 20 others)
- Can it run entirely on your own device or infrastructure, without the maker's servers? yes (67% of 21 others)
- Who is it for? developers (76% of 21 others)
- In the default setup, who mainly decides what gets remembered? the system, by extracting memories from conversations or data in the background (67% of 21 others)
- How can the person the memories are about see and edit them? only through developer APIs or a developer dashboard (62% of 21 others)
- By default, how do old or wrong memories mainly go away? the system updates, merges, or decays them automatically (58% of 19 others)
- Does it work with models from different LLM vendors? yes, model-agnostic (86% of 21 others)
- Is there a first-party MCP server for it? yes (67% of 21 others)
- How is memory separated between users or tenants? built-in scoping by user, agent, session, or tenant IDs (62% of 21 others)
- Does it publish scores on public memory benchmarks (LoCoMo, LongMemEval, BEAM, etc.)? yes (62% of 21 others)
Nearest neighbors
- Memobase 82% of 17 shared answers match
- Memori 81% of 16 shared answers match
- MemOS (MemTensor) 76% of 17 shared answers match
Every answer
| Question | Answer | Source |
|---|---|---|
| Is it actively maintained? | active | source 2026-10-25 |
| How is the main thing licensed? | stands apart copyleft or source-available with restrictions AGPL-3.0 (SDKs Apache-2.0). | source 2026-10-25 |
| How is it mainly sustained? | company with a paid product, tier, or ads | source 2026-10-25 |
| Can it run entirely on your own device or infrastructure, without the maker's servers? | yes | source 2026-10-25 |
| Do you need an account to use it? | optional account Self-host under AGPL with your own LLM key; hosted service at app.honcho.dev needs sign-up. | source 2026-10-26 |
| Who is it for? | developers | source 2026-10-25 |
| Which shared standard or format does it mainly build on? | stands apart a SQL database (Postgres, SQLite) Postgres with hybrid search; MCP is one interface. | source 2026-10-26 |
| In the default setup, who mainly decides what gets remembered? | the system, by extracting memories from conversations or data in the background | source 2026-10-25 |
| How can the person the memories are about see and edit them? | only through developer APIs or a developer dashboard | source 2026-10-25 |
| By default, how do old or wrong memories mainly go away? | the system updates, merges, or decays them automatically Background reasoning updates peer representations. | source 2026-10-25 |
| Where do memories live in the default setup the docs lead with? | in the vendor's cloud 'Managed service uses api.honcho.dev by default'. | source 2026-10-25 |
| Does it work with models from different LLM vendors? | yes, model-agnostic | source 2026-10-25 |
| What is the main storage model for long-term memory? | stands apart structured records: profiles, tiers, or tables Peer representations and sessions in Postgres with hybrid search. | source 2026-10-25 |
| What shape does it mainly take (the one its docs lead with)? | memory service (self-hosted server or hosted API) | source 2026-10-25 |
| Is there a first-party MCP server for it? | yes | source 2026-10-25 |
| How is memory separated between users or tenants? | built-in scoping by user, agent, session, or tenant IDs Workspaces, peers, sessions. | source 2026-10-25 |
| Does it publish scores on public memory benchmarks (LoCoMo, LongMemEval, BEAM, etc.)? | yes Evals page and benchmark blog. | source 2026-10-25 |
Sources
This page was derived from:
- GitHub · github.com/plastic-labs/honcho · read 2026-10-25
- Web page · honcho.dev/ · read 2026-10-25
- Web page · honcho.dev/evals/ · read 2026-10-25
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