Vercel AI Gateway
Unified API for hundreds of AI models, with built-in rate limiting and key management
Vercel AI Gateway is a routing layer that lets developers call hundreds of AI models through one API, without managing per-provider rate limits, API keys, or fallback logic. Built by Vercel and tightly integrated with the Vercel AI SDK, though usable independently. Provides observability, retries, and provider failover. Available on Vercel's pay-as-you-go infrastructure with a free tier for getting started.
Pricing: Usage-based
Vercel AI Gateway Alternatives
Explore 79 products in the Inference APIs category. View all Vercel AI Gateway alternatives.
OpenRouter
Unified API for 400+ AI models across 60+ providers, OpenAI SDK-compatible, pay-as-you-go
IONOS AI Model Hub
OpenAI-compatible API for open-weight LLMs and image models, hosted in IONOS EU data centers
Opper
EU-hosted AI gateway serving 300+ models through one OpenAI-compatible API
CheapestInference
Flat-rate unlimited inference on open-weight models, sold in daily 8-hour windows
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