Originally published on rohitraj.tech
OpenRouter raised a $113M Series B on May 28, 2026 (led by CapitalG) — proof the LLM-gateway layer is now core infrastructure. But which one belongs in your AI MVP: OpenRouter's hosted marketplace, LiteLLM's self-hosted proxy, or Portkey's observability gateway? Here's the real cost math in ₹ and $, the minimal config for each, and the decision rule I use when wiring a gateway into a 6-week build.
Read the full version with code samples, diagrams, and architecture details: OpenRouter vs LiteLLM vs Portkey: Which LLM Gateway for Your AI MVP? (2026)
More engineering notes: rohitraj.tech/en/notes
Top comments (0)