Updated April 29, 2026
OpenRouter is a unified LLM gateway providing OpenAI-compatible API access to 300+ models across 60+ providers (OpenAI, Anthropic, Google, Meta, Mistral, and more). Pay-as-you-go with passthrough rates plus a 5.5% platform fee on credit purchases; free tier with 25+ models capped at 50 requests/day.
TrueFoundry is an enterprise AI gateway for LLM, MCP, and agent traffic, with governance, guardrails, and deployment in your own cloud or on-prem.
Core capabilities each platform advertises.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
Cons
Choose OpenRouter if you wantChoose if you want
Choose TrueFoundry if you wantChoose if you want
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 1,000+ models through one gateway.
Try Respan free