Vercel AI GatewayvsDify

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

Vercel AI Gateway

LLM APIs & Inference

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

Full review →Website ↗

Dify

Automation Platforms

Open-source platform for building LLM applications visually

Full review →Website ↗
FeatureVercel AI GatewayDify
CategoryLLM APIs & InferenceAutomation Platforms
PricingFree monthly credits; pay-as-you-go at provider list price with no markupFree + Cloud plans
GitHub Stars—
✓ More stars
60k
PlatformsWeb, APImacOS, Linux, Windows, Docker
Key Features
  • ✓ 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
  • ✓ Visual builder
  • ✓ RAG engine
  • ✓ Agent framework
  • ✓ Workflow orchestration
  • ✓ Multi-model
  • ✓ API-first
Pros
  • + 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
  • + Beautiful visual interface
  • + Built-in RAG pipeline
  • + Prompt engineering studio
  • + Self-hostable
  • + Multi-model support
Cons
  • − 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
  • − Newer platform, still maturing
  • − Can be complex to self-host
  • − Limited advanced customization
  • − Cloud pricing can add up
Tags
ai-gatewaymodel-routingvercelai-sdkllm-apibyokobservability
open-sourcelow-coderagagentsenterprise

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