AI Gateway1 / 5
17 LLM providers,
one endpoint —
no code changes.
The client sees one endpoint.
The rest is the gateway’s call.
The rest is the gateway’s call.
apinizer.17 providers, one endpointAI Gateway2 / 5
Which model it hits is
the gateway’s decision.
Cost → cheapest capable model
Latency → fastest provider, proactive reroute
Request → conditional route by header/path
apinizer.17 providers, one endpointAI Gateway3 / 5
Conditional routing,
first match wins.
if header.x-tier == “gold”
→ claude-opus
if path == “/v1/embeddings”
→ voyage-3
else → mistral-small
→ claude-opus
if path == “/v1/embeddings”
→ voyage-3
else → mistral-small
apinizer.17 providers, one endpointAI Gateway4 / 5
If a provider fails,
the user never notices.
The circuit breaker opens
The next provider in the chain answers
vLLM / Ollama in the same pool — same budget, same guards
apinizer.17 providers, one endpointAI Gateway5 / 5
Provider diversity
shouldn’t be an app problem.
The decision belongs at the gateway, as policy.
Switching providers —
how many apps does it change for you?
how many apps does it change for you?
apinizer.17 providers, one endpoint← → to navigate