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YC S26 · Active

Speko

OpenRouter for Voice AI: one API, every call on the best speech model

Class
Summer 2026
Status
Active
Industry
B2B
Location
San Francisco, CA, USA
Team size
4

Website

https://speko.ai/?utm_source=ycombinator&utm_medium=profile

About

Speko is a router for voice models: one API key, and your voice agent runs on the speech-to-text, LLM, and text-to-speech models we measured as best for your language and use case. The measurements are public at benchmarks.speko.ai: we test new models the day they ship and re-route when the numbers change, so you rewrite nothing. We ran this bake-off by hand for four years at previous company, shipping production voice for Fortune 500s.