Open WebUIvsHelicone

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

Helicone

MLOps & Monitoring

Open-source LLM observability platform

FeatureOpen WebUIHelicone
CategoryChat InterfacesMLOps & Monitoring
PricingFree (open-source)Free + Pro plans
GitHub Stars
More stars
65k
3k
PlatformsmacOS, Linux, Windows, DockerWeb
Key Features
  • Ollama integration
  • Multi-model
  • RAG
  • Web search
  • Voice input/output
  • Plugins
  • User management
  • Request logging
  • Cost tracking
  • Latency monitoring
  • Prompt management
  • User tracking
Pros
  • + Feature-rich ChatGPT alternative
  • + Supports Ollama + OpenAI APIs
  • + Document upload and RAG
  • + Multi-user with auth
  • + Very active development
  • + One-line integration
  • + Cost tracking
  • + Latency monitoring
  • + Prompt management
  • + Open-source
Cons
  • Requires Docker for easy setup
  • Can be slow with large documents
  • Plugin ecosystem still growing
  • Resource intensive
  • Limited free tier
  • Cloud-focused
  • Smaller feature set vs W&B
  • Less mature
Tags
open-sourcechatuiollamaself-hosted
observabilitymonitoringcostsopen-source

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