Vercel AI SDKvsVercel AI Gateway

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

Vercel AI SDK

Developer Tools

TypeScript toolkit for building AI-powered web applications

Full review →Website ↗

Vercel AI Gateway

LLM APIs & Inference

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

Full review →Website ↗
FeatureVercel AI SDKVercel AI Gateway
CategoryDeveloper ToolsLLM APIs & Inference
PricingFree (open-source)Free monthly credits; pay-as-you-go at provider list price with no markup
GitHub Stars
✓ More stars
12k
—
PlatformsWebWeb, API
Key Features
  • ✓ React hooks
  • ✓ Streaming
  • ✓ Multi-model
  • ✓ Tool calling
  • ✓ Structured output
  • ✓ Edge runtime
  • ✓ 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
  • + First-class React/Next.js integration
  • + Built-in streaming support
  • + Multi-provider (OpenAI, Anthropic, local)
  • + Type-safe with TypeScript
  • + 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
  • − Best suited for Vercel/Next.js ecosystem
  • − Limited outside web context
  • − 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
open-sourcetypescriptreactstreamingsdk
ai-gatewaymodel-routingvercelai-sdkllm-apibyokobservability

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