OpenOpenAI
AI Assistant
1y agoMITNo DockerAdvanced
Self-hosted alternatives to OpenAI Assistants API
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2 projects· by score
Projects
- OpenOpenAI implements the stateful portions of OpenAI's Assistants API — Assistants, Threads, Runs, Messages, Files, and the retrieval tool — with 100%…
Also in AI Assistant
Not listed as OpenAI Assistants API alternatives, but they cover the same ground and are worth a look.
MindGenius AIA self-hosted AI agent that reads PDFs and creates editable mind maps on your own hardware — your documents and API keys stay local.
novaSelf-hosted personal AI with a measured memory loop and 70+ autonomous monitors building living dossiers — all local, zero cloud.
KhojSelf-hosted, open-source AI second brain: RAG chat over your notes and the web, custom agents, semantic search and scheduled research emailed to you.
OmniOmni is a self-hosted, open-source AI agent connecting to workplace tools like Google Workspace, Microsoft 365, Slack, and Jira to gather context and execute tasks.
silosSelf-hosted dashboard for OpenClaw AI agents with real-time monitoring, chat, skills, and omnichannel messaging via WhatsApp, Telegram, Discord, Slack.
hermes-agentSelf-hosted open-source AI agent that learns from experience, creates skills, runs on Telegram, Discord, Slack, CLI — MIT licensed.
About these OpenAI Assistants API alternatives
2 open-source, self-hosted alternatives to OpenAI Assistants API are listed here, ranked by popularity, maintenance and documentation.
- Highest rated
- OpenOpenAI (549 GitHub stars, MIT license, written in Typescript), followed by open-assistant-api
- Docker
- 1 of the top 2 ship an official Docker image
- Recently updated
- open-assistant-api on 2025-06-24
OpenAI Assistants API alternatives compared
| Project | License | Language | Stars | Docker | Setup | Latest release | Score |
|---|---|---|---|---|---|---|---|
| OpenOpenAI | MIT | Typescript | 549 | — | Advanced | 45 | |
| open-assistant-api | MIT | Python | 369 | Yes | Moderate | 44 |