Which is more popular, LibreChat or Open WebUI?

Open WebUI has more GitHub stars (153,800 vs 45,203).

Which is more actively developed, LibreChat or Open WebUI?

Open WebUI had more commits in the last 90 days (1,515 vs 1,199).

Compare their capabilities, limitations and "best for" notes above. Trying each on a small task is the fastest way to decide.

Side-by-side comparison of two AI agent tools

Open WebUI is growing faster: +3,942 GitHub stars in the last 30 days vs +1,618 for LibreChat.
Pick LibreChat for: open-source ChatGPT-like interface for multiple AI models, agents, and sandboxed code execution. Pick Open WebUI for: user-friendly AI Interface (Supports Ollama, OpenAI API, ...).

From GitHub data refreshed daily.

LibreChatopen-source

Open-source ChatGPT-like interface for multiple AI models, agents, and sandboxed code execution

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

+Extensive AI model support with 20+ providers including Anthropic, OpenAI, Google, and custom endpoints for maximum flexibility
+Built-in Code Interpreter with secure sandboxed execution across multiple programming languages (Python, Node.js, Go, C/C++, Java, PHP, Rust, Fortran)
+Self-hosted and open-source with strong community support (35K+ GitHub stars) and easy deployment options on Railway, Zeabur, and Sealos

+Multi-provider AI integration supporting both local Ollama models and remote OpenAI-compatible APIs in a single interface
+Self-hosted deployment with complete offline capability ensuring data privacy and security control
+Enterprise-grade user management with granular permissions, user groups, and admin controls for organizational deployment

-Requires technical setup and maintenance compared to hosted solutions like ChatGPT or Claude
-Multiple provider integrations may require separate API keys and configuration management
-Resource-intensive when running locally with code execution capabilities

-Requires technical expertise for initial setup and maintenance of Docker/Kubernetes infrastructure
-Self-hosting demands dedicated server resources and ongoing system administration
-Limited to local deployment model, lacking the convenience of managed cloud AI services

•Organizations needing a self-hosted ChatGPT alternative with control over data privacy and AI provider selection
•Developers requiring integrated code execution and file processing capabilities alongside conversational AI
•Research teams wanting to compare outputs across multiple AI models (OpenAI, Anthropic, Google) within a single interface

•Enterprise organizations deploying private AI assistants with strict data governance and user access controls
•Development teams building local AI workflows with multiple model providers while maintaining code and data privacy
•Educational institutions providing students and faculty with controlled AI access without external data sharing

Which is more popular, LibreChat or Open WebUI?: Open WebUI has more GitHub stars (153,800 vs 45,203).
Which is more actively developed, LibreChat or Open WebUI?: Open WebUI had more commits in the last 90 days (1,515 vs 1,199).
Should I use LibreChat or Open WebUI?: Compare their capabilities, limitations and "best for" notes above. Trying each on a small task is the fastest way to decide.