Sarah Guo

Sarah Guo

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Conviction (prev. Greylock); AI/product/enterprise innovation.

Avoid Startups Whose Founders Aren't AI Wartime
SocialFeb 27, 2026

Avoid Startups Whose Founders Aren't AI Wartime

there’s actually a whole raft of tech companies where if the founders are not AI wartime you should abandon ship real fast

By Sarah Guo
Five AI‑Native Startup Ideas Before Embed Apps Close
SocialFeb 23, 2026

Five AI‑Native Startup Ideas Before Embed Apps Close

Last 5 AI-native startup ideas from us @Conviction before Embed apps close (robotics cert, red-teaming chips, materializing institutional memory, physics sim, and getting assurance on abundant generated code) https://t.co/9ykAggZY9P

By Sarah Guo
Anthropic AI Underval
SocialFeb 22, 2026

Anthropic AI Underval

I feel like this dramatically underweights @8enmann’s work at Labs…and @AnthropicAI as an org making space for Labs to cook

By Sarah Guo
AI Native Leverages Agents to Fill Data Gaps
SocialFeb 15, 2026

AI Native Leverages Agents to Fill Data Gaps

AI Naive: use agents to try to solve the problem. AI Native: use agents to fix the missing data and scattered context that make the problem hard.

By Sarah Guo
Join AI Startup Founders at Conviction's Mixture-of-Experts Event
SocialFeb 10, 2026

Join AI Startup Founders at Conviction's Mixture-of-Experts Event

hi! if you want to work at some of the most interesting startups in AI, come to our next mixture-of-experts event at @conviction and hear from the founders of Harmonic, Worktrace, Sunday, Treehouse and Trajectory https://t.co/ZL7mdnszUl

By Sarah Guo
Composer 1.5 Post‑training Uses More Compute than Pre‑training
SocialFeb 9, 2026

Composer 1.5 Post‑training Uses More Compute than Pre‑training

“The compute used in our post-training of Composer 1.5 even surpasses the amount used to pretrain the base model.”

By Sarah Guo