Updated March 10, 2026
Powers the official SDKs for OpenAI, Anthropic, and others. The de facto gateway interface layer.
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 Stainless 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