ben hylak

@benhylak • 53,532 subscribers

aspiring optimist. cto @raindrop_ai, prev @apple design, @spacex avionics

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ben hylak

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introducing killedbyopenai dot com a digital graveyard for everything openai has killed. what am i missing?

make music physical again

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today, we're excited to announce change reports. Raindrop watches every PR and sends you slack dm's on how your agent changes actually performed in production

Today, we are announcing our Series A and a new product: Raindrop Simulations. We've now raised $50m from CRV and Lightspeed to protect the world from agent failures, big and small.

introducing rd-signal-2: a frontier classification model that is 1600x cheaper than GPT 5.6 Sol. free to try in Raindrop, and available via a new API for training/hosting custom classifiers with Zero Data Retention.

on saturday, i vibe coded a little app for collecting + virtually polishing rocks. i just realized today that it works on any object. behold, a polished can of lacroix.

earlier this year, we launched the first agent monitoring platform now, we are used by some of the fastest growing ai companies (@replit, Framer, Speak, Clay) and just raised a $15m seed round

now, your agent can fix itself. introducing raindrop triage. an agent for finding and investigating agent issues.

just tried it and... it's really, really bad. leaves me wondering if the demo was fake?

we built the first sane way to debug your agent locally. you can see your traces. codex/claude code can too. this lets them write evals and test your agents automatically. best part: it's completely free and open source. install with 1 line. (github below)

introducing PII Guard 2.0. protect user privacy, without compromising observability. now with role-based access, audit logs, and more granular controls. only in Raindrop - i'm very proud of this ship.🧵

today, we’re excited to announce raindrop 2.0: self-healing agents. we now train custom models that autonomously detect hidden issues with your agent. i could tell you all about it, but wouldn’t you rather hear it from someone… else?

we’re excited to announce trajectory explorer: the first sane way to navigate agent traces. every decision your agent made is now searchable in seconds only in Raindrop

yesterday, i built the code review app i've been begging twitter for. - live streams change summaries as claude code works - quizzes me about changes before i commit them. - finds bugs locally -- without having to push to GitHub

a little sunday ship: a careers page for Raindrop some fun facts about our eng team : * scaled fraud detection at square in 2013 * built agents for federal government * 2 ex-apple, ex-airtable, ex-hubspot (cont'd below)

today, we're announcing our fundrai-- jk. we're shipping. meet raindrop experiments 🧪

sat down with ABC7 News this morning to talk Raindrop and rogue agents.

Today, we're excited to announce Deep Search. It’s like Deep Research, but for your production AI data. Search for anything, and Raindrop automatically trains little models to accurately classify any topic or issue, across millions of events.

AI products fail constantly—in ways both hilarious and terrifying. Regular software throws exceptions. But AI products fail silently. Meet Raindrop : the first Sentry-like monitoring platform for AI products.

don't scroll jack. the users scroll should always map 1:1 with the content moving on the page. otherwise it feels like going from a highway to driving through mud. you can still do very cool transitions without jacking scroll (e.g. below)

today, we're introducing self diagnostics: the first ever way for agents to proactively self-report issues they encounter. welcome to the future of agent observability.

took a break from b2b saas to build an ai native terminal. most of my workflow is just pressing enter now.