Ollama Web UIvsVercel AI Gateway

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

Ollama Web UI

Chat Interfaces

ChatGPT-style interface for Ollama models

Full review →Website ↗

Vercel AI Gateway

LLM APIs & Inference

Unified API gateway for routing app calls across hundreds of AI models

Full review →Website ↗
FeatureOllama Web UIVercel AI Gateway
CategoryChat InterfacesLLM APIs & Inference
PricingFree (open-source)Free monthly credits; pay-as-you-go at provider list price with no markup
GitHub Stars
✓ More stars
55k
—
PlatformsLinux, macOS, DockerWeb, API
Key Features
  • ✓ Chat UI
  • ✓ RAG
  • ✓ Multi-model
  • ✓ Plugins
  • ✓ Voice input
  • ✓ Single API key
  • ✓ Hundreds of models
  • ✓ Unified model API
  • ✓ Provider routing and fallbacks
  • ✓ Automatic retries
  • ✓ Usage and spend monitoring
  • ✓ Bring Your Own Key
  • ✓ AI SDK and OpenAI-compatible APIs
Pros
  • + Most popular self-hosted chat UI
  • + Supports Ollama + OpenAI APIs
  • + RAG and document upload
  • + Multi-user management
  • + Active development
  • + One endpoint for many model providers
  • + Centralized usage, spend, and observability
  • + Automatic retries and fallbacks improve production resilience
  • + No token markup according to Vercel docs
  • + Works with AI SDK and OpenAI-compatible API clients
Cons
  • − Duplicate entry — see Open WebUI
  • − Requires Docker
  • − Resource intensive
  • − Plugin ecosystem growing
  • − Best fit for teams already building web apps or using Vercel/AI SDK
  • − Underlying provider terms and model limits still apply
  • − BYOK fallback can still consume AI Gateway credits
  • − Exact model pricing should be checked in the current Gateway model list
Tags
chatollamalocalopen-source
ai-gatewaymodel-routingvercelai-sdkllm-apibyokobservability

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