OpenAI-compatible gateway routing across 150+ LLMs with failover, governance and observability; free tier, paid from $199/mo.
What it does
FastRouter is a unified LLM gateway that lets teams access 150+ models through one OpenAI-compatible API with intelligent routing, automatic failover and zero markup on model costs. It adds cost controls, observability, guardrails and governance for enterprise AI teams.
Core features
Single OpenAI-compatible API for 150+ models
Smart routing by cost, latency and quality
Automatic failover and fallback lists
Observability, tracing and alerts
BYOK, RBAC and guardrails
Best for
→Comparing and switching between LLMs
→Cutting AI spend with routing and caching
→Adding reliability and governance to AI apps
Pricing
Starter
$0
Pro
$199/mo
Business
$799/mo