Open WebUIvsLiteLLM

Full side-by-side comparison — features, pricing, platforms, and which one wins in 2026.

Open WebUI

Chat Interfaces

Beautiful self-hosted ChatGPT-like interface for any LLM

Full review →Website ↗

LiteLLM

LLM APIs & Inference

Unified API proxy for 100+ LLM providers — one interface, any model

Full review →Website ↗
FeatureOpen WebUILiteLLM
CategoryChat InterfacesLLM APIs & Inference
PricingFree (open-source)Free (open-source), hosted proxy available
GitHub Stars
✓ More stars
65k
16k
PlatformsmacOS, Linux, Windows, DockerLinux, macOS, Docker
Key Features
  • ✓ Ollama integration
  • ✓ Multi-model
  • ✓ RAG
  • ✓ Web search
  • ✓ Voice input/output
  • ✓ Plugins
  • ✓ User management
  • ✓ Unified API for 100+ LLM providers
  • ✓ Load balancing across multiple API keys/providers
  • ✓ Automatic fallbacks when providers fail
  • ✓ Spend tracking and budget alerts per team/project
  • ✓ Rate limiting and retry logic built-in
  • ✓ OpenAI SDK compatible — zero code changes
  • ✓ Self-hostable proxy server
  • ✓ Supports streaming, function calling, vision
Pros
  • + Feature-rich ChatGPT alternative
  • + Supports Ollama + OpenAI APIs
  • + Document upload and RAG
  • + Multi-user with auth
  • + Very active development
  • + One API for 100+ providers
  • + Built-in load balancing and fallbacks
  • + Spend tracking and rate limiting
  • + OpenAI SDK compatible
Cons
  • − Requires Docker for easy setup
  • − Can be slow with large documents
  • − Plugin ecosystem still growing
  • − Resource intensive
  • − Adds a proxy layer (slight latency)
  • − Complex config for advanced features
Tags
open-sourcechatuiollamaself-hosted
api-gatewaymulti-providerproxyopen-source

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