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Khoj vs Open WebUI: which one to choose in 2026?

Both are open source alternatives to ChatGPT Plus. We compare license, tech stack and features to help you decide which fits your team best.

KhojOpen WebUI
CategoryArtificial IntelligenceArtificial Intelligence
LicenseAGPL-3.0MIT
GitHub stars 15k 62k
Tech stackPython, DjangoPython, Svelte, SQLite
ReplacesChatGPT PlusChatGPT Plus

Open WebUI has more GitHub stars, which usually indicates a larger community (not necessarily that it's the best option for your use case).

Khoj

Personal AI assistant over your documents, an alternative to ChatGPT Plus.

Pros

  • Combines your own data with local or remote models

Things to consider

  • Initial document indexing setup takes some time
View Khoj's full profile

Open WebUI

Self-hosted chat interface for LLMs, an alternative to ChatGPT Plus.

Pros

  • Runs 100% local models, no data sent to third parties

Things to consider

  • Quality depends on the model you choose to run (GPU recommended)
View Open WebUI's full profile

Key features

Khoj

  • Semantic search over your notes and documents
  • Chat with your own PDFs and markdown
  • Integration with Obsidian and Notion

Open WebUI

  • Compatible with Ollama and any OpenAI-style API
  • RAG with your own documents
  • User and role management
  • Marketplace of community prompts and functions