Open WebUIvsDocling

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 ↗

Docling

Data & ETL

IBM's document conversion tool for AI pipelines

Full review →Website ↗
FeatureOpen WebUIDocling
CategoryChat InterfacesData & ETL
PricingFree (open-source)Free (open-source)
GitHub Stars
✓ More stars
65k
15k
PlatformsmacOS, Linux, Windows, DockerLinux, macOS, Windows
Key Features
  • ✓ Ollama integration
  • ✓ Multi-model
  • ✓ RAG
  • ✓ Web search
  • ✓ Voice input/output
  • ✓ Plugins
  • ✓ User management
  • ✓ PDF conversion
  • ✓ Table extraction
  • ✓ OCR
  • ✓ Markdown output
  • ✓ LlamaIndex integration
Pros
  • + Feature-rich ChatGPT alternative
  • + Supports Ollama + OpenAI APIs
  • + Document upload and RAG
  • + Multi-user with auth
  • + Very active development
  • + Excellent PDF parsing
  • + Table extraction
  • + OCR capability
  • + IBM Research quality
  • + LlamaIndex integration
Cons
  • − Requires Docker for easy setup
  • − Can be slow with large documents
  • − Plugin ecosystem still growing
  • − Resource intensive
  • − Heavy dependencies
  • − Can be slow on large docs
  • − Python only
  • − Complex output format
Tags
open-sourcechatuiollamaself-hosted
documentspdfconversionibm

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