
About SeedRouter
One API key for image, video, language and audio models, billed per request. Failed requests cost nothing.
Model Gateways
7 model gateways tools you can use instead of SeedRouter, 2 of them open source. Summaries come from each vendor's own site. Links checked Oct 23, 2026.

One API key for image, video, language and audio models, billed per request. Failed requests cost nothing.
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 | SeedRouter 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 | SeedRouter 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 | SeedRouter vs LiteLLM |
| OpenRouter | One API for many models from many providers, with model and price comparison. | No | SeedRouter vs OpenRouter |
| Portkey | AI gateway and production stack for teams shipping generative AI apps, with an open-source gateway. | Yes | SeedRouter vs Portkey |
| Requesty | OpenAI-compatible LLM router for 600+ models with smart routing, caching, failover and EU data residency. | No | SeedRouter vs Requesty |
| Vercel AI Gateway | Use 400+ AI models through one endpoint without managing rate limits and API keys per provider. | No | SeedRouter vs Vercel AI Gateway |
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.
Use 400+ AI models through one endpoint without managing rate limits and API keys per provider.
FAQ
Agent Stack Directory lists 7 other model gateways tools: Cloudflare AI Gateway, Kong AI Gateway, LiteLLM, OpenRouter, Portkey, Requesty, Vercel AI Gateway.
Yes. Among the alternatives we list, these are marked open source: Kong AI Gateway, Portkey.
One API key for image, video, language and audio models, billed per request. Failed requests cost nothing. (Summary based on seedrouter.ai, link checked 2026-10-23.)