Vercel AI GatewayvsOpenRouter

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 ↗

OpenRouter

LLM APIs & Inference

Unified API for 200+ AI models from all providers

Full review →Website ↗
FeatureVercel AI GatewayOpenRouter
CategoryLLM APIs & InferenceLLM APIs & Inference
PricingFree monthly credits; pay-as-you-go at provider list price with no markupPay-per-use (varies by model)
GitHub Stars——
PlatformsWeb, APIWeb
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
  • ✓ 200+ models
  • ✓ Unified API
  • ✓ Auto-fallback
  • ✓ Rate limiting
  • ✓ Usage tracking
  • ✓ OpenAI-compatible
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
  • + Access to 100+ models via one API
  • + Automatic fallbacks
  • + Pay-per-use pricing
  • + Model comparison features
  • + Free models available
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
  • − Added latency from proxy layer
  • − Markup on some model prices
  • − Depends on upstream availability
  • − Limited advanced features
Tags
ai-gatewaymodel-routingvercelai-sdkllm-apibyokobservability
apimulti-modelgatewayroutingpay-per-use

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