# What does Braintrust use? Braintrust (braintrust.dev) shows public evidence of 35 tools, according to runsonwhat (last checked 2026-10-07). - Based in: San Francisco, United States - Founded: 2022 - LinkedIn: https://www.linkedin.com/company/braintrust-data ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain | 2025-12 | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain, DNS verification records, DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [Lottie](https://www.runsonwhat.com/reverse/lottie) | Media & UI | Website code | | | [Clerk](https://www.runsonwhat.com/reverse/clerk) | Auth & Identity | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | | [Datadog](https://www.runsonwhat.com/reverse/datadog) | Monitoring | Website code | | | [Segment](https://www.runsonwhat.com/reverse/segment) | Analytics | Website code | | | [Amplitude](https://www.runsonwhat.com/reverse/amplitude) | Analytics | Website code | | | [incident.io](https://www.runsonwhat.com/reverse/incidentio) | Monitoring | Custom domain | 2024-12 | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [Discord](https://www.runsonwhat.com/reverse/discord) | Support & Docs | Website code | | | [Vector](https://www.runsonwhat.com/reverse/vector) | Sales & CRM | Website code | | | [Dub](https://www.runsonwhat.com/reverse/dub) | Marketing | Custom domain | 2025-12 | | [Unify](https://www.runsonwhat.com/reverse/unify) | Sales & CRM | Website code | | | [Pylon](https://www.runsonwhat.com/reverse/pylon) | Support & Docs | DNS verification records | | | [Default](https://www.runsonwhat.com/reverse/default) | Sales & CRM | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [Resend](https://www.runsonwhat.com/reverse/resend) | Email Delivery | Email records | | | [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records | | | [EasyDMARC](https://www.runsonwhat.com/reverse/easydmarc) | Security & Compliance | Email records | | | [Notion](https://www.runsonwhat.com/reverse/notion) | Collaboration | DNS verification records | | | [Vanta](https://www.runsonwhat.com/reverse/vanta) | Security & Compliance | Custom domain | 2025-05 | ## Hiring at Braintrust 27 open roles on its public job board: Sales 12, Engineering 5, Customer Success 4, Finance & Legal 2, Data & AI 1, Marketing 1. ## FAQ ### What tools does Braintrust use? As of October 2026, runsonwhat has found 35 tools at Braintrust (braintrust.dev) in public records. Edge & Hosting: Cloudflare, Amazon Route 53 and Amazon CloudFront. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Google Workspace, Resend and Zoom. Last checked October 7, 2026. ### What cloud does Braintrust run on? Braintrust uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a subdomain that points at Vercel and a DNS verification record. Vercel is used by 44,541 companies runsonwhat tracks. ### What sales tools does Braintrust use? The sales tools runsonwhat has found at Braintrust are Vector, Unify and Default (October 2026); no CRM shows up in Braintrust's public records. runsonwhat found Vector through Vector code on braintrust.dev. ### What email provider does Braintrust use? Braintrust uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 392,511 companies runsonwhat tracks. ### What does Braintrust use for customer support? Braintrust uses Discord for customer support and documentation, alongside Pylon, according to runsonwhat (October 2026). runsonwhat found Discord through Discord code on braintrust.dev. Discord is used by 3,062 companies runsonwhat tracks. ### What analytics tools does Braintrust use? Braintrust uses Google Analytics for analytics, alongside Google Tag Manager, Segment and Amplitude, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on braintrust.dev. Google Analytics is used by 747,428 companies runsonwhat tracks. ### How long has Braintrust used incident.io? Braintrust has used incident.io since at least December 2024, going by the first public certificate of the braintrust.dev subdomain that points at incident.io. Other long-running tools at Braintrust include Vanta (since May 2025), Amazon CloudFront (since December 2025) and Dub (since December 2025). ### Does Braintrust use Cloudflare? Yes. runsonwhat found Cloudflare at Braintrust through Cloudflare code on braintrust.dev. Cloudflare is a CDN & Edge tool used by 653,412 companies runsonwhat tracks. ### Is Braintrust hiring? Yes. As of October 2026, Braintrust has 27 open roles on its public Ashby job board, most in sales (12), engineering (5) and customer success (4). 5 were posted in the last 30 days. ### Which companies have a tech stack similar to Braintrust's? The companies with the stacks most like Braintrust's are Reducto, Aleph Labs, Flow and Starbridge Ai, according to runsonwhat (October 2026). Each shares 9 to 18 tools with Braintrust, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Braintrust uses? runsonwhat reads public records only. Of the 35 tools at Braintrust, 21 were found through code on braintrust.dev, 5 through DNS records, 5 through subdomains that point at the vendor, 3 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and braintrust.dev about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/braintrust.dev (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.