{"changes":[{"companyHref":"/c/compresr-ai","date":"2026-09-24","documentUrl":"https://www.ycombinator.com/companies/compresr","domain":"compresr.ai","fact":"provenance:existence","name":"Compresr","new":{"publisher":"Y Combinator","status":"sourced","url":"https://www.ycombinator.com/companies/compresr"},"old":{"publisher":"compresr.ai","status":"self-reported","url":"https://compresr.ai"},"publisher":"Y Combinator","reason":null,"retrievedAt":"2026-09-17","slug":"compresr-ai","status":"sourced","url":"https://whoraisedwhat.com/c/compresr-ai"}],"country":"US","description":"Question-aware context compression that cuts LLM prompt tokens by ~90% while preserving query-relevant content. Built for AI engineering teams in finance, enterprise, and regulated industries. Y Combinator W26; hosted SDK plus on-prem deployment.","domain":"compresr.ai","employees":null,"founded":2025,"fundingTotalQuarantined":false,"githubOrg":null,"githubStars":null,"industry":"ai","investors":[],"lat":null,"lng":null,"location":null,"name":"Compresr","rounds":[{"amountQuarantined":false,"amountUsd":1000000,"currency":"USD","date":"2026-01-01","investors":[],"leadInvestor":null,"source":{"fact":"round","publisher":"yc","retrievedAt":"2026-05-19","status":"attributed","url":null},"status":"attributed","type":"seed","url":null}],"slug":"compresr-ai","sources":[{"fact":"round","publisher":"yc","retrievedAt":"2026-05-19","status":"attributed","url":null},{"fact":"existence","publisher":"Y Combinator","retrievedAt":"2026-09-17","status":"sourced","url":"https://www.ycombinator.com/companies/compresr"},{"fact":"description","publisher":"compresr.ai","retrievedAt":"2026-05-19","status":"self-reported","url":"https://compresr.ai"}],"stage":"seed","techStack":["Cloudflare","HeroUI","Next.js","React","PHP","Webpack","@sentry/browser","posthog-js","supabase"],"totalRaisedUsd":1000000,"updatedAt":"2026-05-19"}