
About Vercel AI Gateway
Use 400+ AI models through one endpoint without managing rate limits and API keys per provider.
Model Gateways
7 model gateways tools you can use instead of Vercel AI Gateway, 2 of them open source. Summaries come from each vendor's own site. Links checked Oct 23, 2026.

Use 400+ AI models through one endpoint without managing rate limits and API keys per provider.
At a glance
| Tool | What it does | Open source | Head to head |
|---|---|---|---|
| Cloudflare AI Gateway | Analytics, caching, rate limiting and model fallback in front of your AI provider calls. | No | Vercel AI Gateway vs Cloudflare AI Gateway |
| Kong AI Gateway | Security, routing, observability and cost control for LLM and MCP traffic, from the Kong API gateway team. | Yes | Vercel AI Gateway vs Kong AI Gateway |
| LiteLLM | AI gateway and LLM proxy: one OpenAI-compatible key for 140+ providers, with spend tracking, caps and routing. Self-hostable. | No | Vercel AI Gateway vs LiteLLM |
| OpenRouter | One API for many models from many providers, with model and price comparison. | No | Vercel AI Gateway vs OpenRouter |
| Portkey | AI gateway and production stack for teams shipping generative AI apps, with an open-source gateway. | Yes | Vercel AI Gateway vs Portkey |
| Requesty | OpenAI-compatible LLM router for 600+ models with smart routing, caching, failover and EU data residency. | No | Vercel AI Gateway vs Requesty |
| SeedRouter | One API key for image, video, language and audio models, billed per request. Failed requests cost nothing. | No | Vercel AI Gateway vs SeedRouter |
Model Gateways
Analytics, caching, rate limiting and model fallback in front of your AI provider calls.
Security, routing, observability and cost control for LLM and MCP traffic, from the Kong API gateway team.
AI gateway and LLM proxy: one OpenAI-compatible key for 140+ providers, with spend tracking, caps and routing. Self-hostable.
One API for many models from many providers, with model and price comparison.
AI gateway and production stack for teams shipping generative AI apps, with an open-source gateway.
OpenAI-compatible LLM router for 600+ models with smart routing, caching, failover and EU data residency.
One API key for image, video, language and audio models, billed per request. Failed requests cost nothing.
FAQ
Agent Stack Directory lists 7 other model gateways tools: Cloudflare AI Gateway, Kong AI Gateway, LiteLLM, OpenRouter, Portkey, Requesty, SeedRouter.
Yes. Among the alternatives we list, these are marked open source: Kong AI Gateway, Portkey.
Use 400+ AI models through one endpoint without managing rate limits and API keys per provider. (Summary based on vercel.com, link checked 2026-10-23.)