Open WebUIvsModal

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

Modal

LLM APIs & Inference

Serverless platform for running AI and ML workloads

FeatureOpen WebUIModal
CategoryChat InterfacesLLM APIs & Inference
PricingFree (open-source)Pay-per-use + $30 free/mo
GitHub Stars
More stars
65k
PlatformsmacOS, Linux, Windows, DockerWeb
Key Features
  • Ollama integration
  • Multi-model
  • RAG
  • Web search
  • Voice input/output
  • Plugins
  • User management
  • Serverless GPU
  • Container orchestration
  • Cron jobs
  • Web endpoints
  • Fine-tuning
Pros
  • + Feature-rich ChatGPT alternative
  • + Supports Ollama + OpenAI APIs
  • + Document upload and RAG
  • + Multi-user with auth
  • + Very active development
  • + Serverless GPU with simple Python API
  • + $30/mo free credits
  • + Web endpoints and cron jobs
  • + Fast cold starts
  • + Great developer experience
Cons
  • Requires Docker for easy setup
  • Can be slow with large documents
  • Plugin ecosystem still growing
  • Resource intensive
  • Python-only
  • Vendor lock-in risk
  • Debugging can be tricky
  • Pricing opaque for large workloads
Tags
open-sourcechatuiollamaself-hosted
serverlessgpucloudinfrastructure

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