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ChatGPT vs Open WebUI

Side-by-side comparison of ChatGPT and Open WebUI: pricing, features, API access, and community ratings.

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ChatGPT
ChatGPT

OpenAI's conversational AI — the world's most widely-used LLM interface.

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Open WebUI
Open WebUI

The freedom AI stack — run any model, on your own terms, without compromise.

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Category
Chat assistants
Chat assistants
Pricing
Freemium
Freemium
Starting price
USD 20/mo
Free tier
Audience
All audiences
All audiences
API available
Open source
Self-hostable
Model provider
OpenAI
Any (Ollama, OpenAI, Anthropic, or any OpenAI-compatible endpoint)
Founded
2022
2024
Headquarters
San Francisco, US
Key strengths
  • ·conversational AI
  • ·broad knowledge
  • ·plugins/tools
  • ·code generation
  • ·Fully self-hosted with complete data sovereignty
  • ·Connect to any model — Ollama, OpenAI, Anthropic, or any compatible API
  • ·Extensible via Python pipelines and custom functions
  • ·Thriving open-source community with 427K+ members and 141K+ GitHub stars
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