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

Full review →Website ↗

Helicone

MLOps & Monitoring

Open-source LLM observability platform

Full review →Website ↗
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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