About
Founder of Blink, an AI app builder platform that generates production-ready web and mobile applications from natural language descriptions.
Kai Jiabo Feng @kf_builds
Internal evals: Blink 1.0 vs Claude Sonnet 4.6 β similar quality β ~50% fewer credits β ~4.7x faster Blink 1.0 Pro vs Claude Opus 4.7 β similar quality β ~62% fewer credits β ~3.5x faster Blink Models are outperforming the best frontier models at the thing we care about https://t.co/wGOGUCruEA
May 12, 2026 Β· β₯ 1
Kai Jiabo Feng @kf_builds
My $1k portfolio managed by Blink agent hit $1.3k today; not bad! https://t.co/Zgo3Pb3kAD
Apr 24, 2026 Β· β₯ 2
Kai Jiabo Feng @kf_builds
πΈπΈπΈ https://t.co/NYwIXtde6U https://t.co/Zgo3Pb3kAD
Apr 21, 2026 Β· β₯ 1
Founder at BlinkYC W22
Intro paths
Kai went through Y Combinator (Winter 2022) β any YC alum in your network can reach them through the YC community.
In turn, Kai can intro founders to Blink's investors below.