Nadir

什么是 Nadir？

Nadir is a verifier-gated LLM router. Cheap model answers first, a calibrated verifier scores the response before it ships, and we escalate only when quality falls short. 60% cost reduction with 98% of always-Opus quality on RouterBench held-out prompts. #3 on RouterArena's public leaderboard. OpenAI-compatible, BYOK, two-line change.