head to head · open source
Open WebUI vs aws-genai-llm-chatbot
Open WebUI has 152,426 GitHub stars, 22,301 forks, 294 open issues and last shipped yesterday. aws-genai-llm-chatbot has 1,401 stars, 436 forks, 32 open issues and last shipped 3 months ago. Open WebUI leads on adoption by 10,780% (152,426 vs 1,401 stars). Open WebUI is written in Python under a custom or non-standard licence; aws-genai-llm-chatbot is written in TypeScript under MIT-0. Open WebUI has attracted 15% as many forks as stars, aws-genai-llm-chatbot 31%. Open WebUI was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (llm), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Open WebUI | aws-genai-llm-chatbot | |
|---|---|---|
| GitHub stars | ★ 152K | ★ 1.4K |
| License | Custom / other | MIT-0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-18 | 2026-06-30 |
| Forks | ⑂ 22K | ⑂ 436 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Open WebUI if
- You weight community size — 152K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick aws-genai-llm-chatbot if
- You want the aws-genai-llm-chatbot feature set and don't need the biggest community
- You prefer the MIT-0 license terms
- Your stack matches TypeScript
- You evaluated both and aws-genai-llm-chatbot fits your workflow better
About Open WebUI
Open WebUI is a self hosted, open source AI interface that unifies access to local and cloud based large language models. It runs entirely in a web browser and supports Ollama for local model hosting alongside any OpenAI compatible API, including services like LMStudio, GroqCloud, Mistral, and OpenRouter. Built in Python, it functions as a drop in replacement for proprietary AI platforms, giving users full control over their model infrastructure and data.
read the full Open WebUI overview →
About aws-genai-llm-chatbot
aws genai llm chatbot is an MIT 0 licensed TypeScript blueprint from aws samples that deploys a multi LLM, multi RAG chatbot inside a customer's own AWS account, built for teams that want generative AI chat grounded in private data without assembling the surrounding infrastructure themselves.
read the full aws-genai-llm-chatbot overview →
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Frequently asked questions
Is Open WebUI or aws-genai-llm-chatbot more popular?
Open WebUI has 152,426 GitHub stars and aws-genai-llm-chatbot has 1,401. Open WebUI has the larger community by that measure.
Are Open WebUI and aws-genai-llm-chatbot free?
Both are open source. Open WebUI has no licence declared in this registry, and aws-genai-llm-chatbot is licensed under MIT-0. Both are free to self-host.
What is the difference between Open WebUI and aws-genai-llm-chatbot?
Open WebUI is written in Python and aws-genai-llm-chatbot in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Open WebUI or aws-genai-llm-chatbot?
Choose Open WebUI if you want the larger community (152,426 stars) or its Custom / other licence terms. Choose aws-genai-llm-chatbot if its feature set, stack or MIT-0 licence fits better. Both are self-hostable.