SafetyKit
About SafetyKit
SafetyKit is a content moderation AI company that replaces human moderators with language models. It serves clients including Character.ai, Substack, Upwork, Faire, and Eventbrite. Founded by David Graunke and Steven Guichard—veterans of Stripe and Airbnb with deep ties to the space—the company brings experience building policy engines and scalable risk-review systems. SafetyKit operates from a sunny office in the Mission district of San Francisco and runs an AWS serverless stack (Lambda, Step Functions, SQS) with TypeScript. The company uses open-source language models, hosted models, and specialized vision models, supported by in-house evaluation tools, to position itself in the content moderation AI market.
Company at a glance
Location
Culture & values
They work together in-person every day in a sunny office in the Mission in San Francisco.
Every engineer at SafetyKit works to understand our users' businesses and policies inside and out.
We merge, evaluate, and ship new models the day they launch (if evals look good).
We love managing complexity so our users' lives can be simple.
We have in-house evaluation tools and debugging tools for complex LLM execution chains.
We focus on fast and fun development using AWS serverless, TypeScript, and AI models.
SafetyKit's mission is to replace human content moderators with language models.
We push available tech to its limit and ship exactly what our users need faster than anyone else.
Life at SafetyKit
Frequently asked questions
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