ChatGPT vs Open WebUI
Side-by-side comparison of ChatGPT and Open WebUI: pricing, features, API access, and community ratings.
AI comparison summary
ChatGPT is a polished, hosted service best for users who want immediate access to a powerful AI without setup, though you're locked into OpenAI's ecosystem and pricing. Open WebUI is a self-hosted platform that gives you complete control and flexibility to switch between any AI model (including running them locally), making it ideal for privacy-conscious users, developers, or organizations needing data sovereignty. The tradeoff is that Open WebUI requires technical setup and infrastructure management, while ChatGPT works instantly but keeps your data on OpenAI's servers.
| Category | Chat assistants | Chat assistants |
| Pricing | Freemium | Freemium |
| Starting price | ||
| 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 |
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