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Open Assistant Alternatives in 2026

The best 8 open-source Open Assistant alternatives in 2026, ranked by GitHub stars. Find free, self-hosted replacements for Open Assistant.

8 Alternatives
100% Open Source
Free To Self-Host

What are the best Open Assistant alternatives in 2026?

The best open-source Open Assistant alternatives in 2026 are LobeChat, GPT4All, Jan, SillyTavern, Ollama. These tools cover the same use cases as Open Assistant — laion's open-source chatgpt alternative for everyone — with the advantage of being open-source, free to self-host, and backed by active communities. Top picks are ranked by GitHub stars and community adoption, so you can find a drop-in replacement that fits your workflow.

#1
LobeChat ★ 82k+ Top Pick

Modern open-source ChatGPT / LLMs UI framework

chat web-ui open-source llmApache-2.0
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#2
GPT4All ★ 77k+ Top Pick

Run powerful and customized LLMs locally

llm local open-source chatMIT
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#3
Jan ★ 44k+ Top Pick

Open-source ChatGPT alternative that runs offline

chat local open-source llmApache-2.0 / GPL-3.0
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#4
SillyTavern ★ 33k+

Advanced UI for AI roleplay and interactive story writing

roleplay chat llm open-source
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#5
Ollama ★ 179k+

Run large language models locally on your machine

llm local open-source inferenceMIT
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#6
Open WebUI ★ 149k+

User-friendly self-hosted web UI for Ollama and LLMs

chat web-ui local open-sourceMIT
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#7
llama.cpp ★ 125k+

Fast LLM inference in C/C++ for local deployment

llm local inference open-sourceMIT
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#8
ChatGPT Next Web ★ 89k+

Cross-platform ChatGPT/Gemini UI with one-click deploy

chat web-ui open-source productivityMIT
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Last updated: Aug 28, 2026 · Curated by AI Tools Hub Editorial · About · Contact · Privacy