# What does Numerai use? Numerai (numer.ai) shows public evidence of 27 tools, according to runsonwhat (last checked 2026-11-09). - Industry: Financial Services - Size: 11–50 employees - Based in: San Francisco, United States - Founded: 2015 - LinkedIn: https://www.linkedin.com/company/numerai ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS verification records, DNS records, Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | | [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Vue.js](https://www.runsonwhat.com/reverse/vue) | Frontend | Website code | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Discord](https://www.runsonwhat.com/reverse/discord) | Support & Docs | Website code | | | [Ghost](https://www.runsonwhat.com/reverse/ghost) | Website & CMS | Custom domain | 2025-06 | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records | | | [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records | | | [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records | | | [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records | | | [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records | | | [EasyDMARC](https://www.runsonwhat.com/reverse/easydmarc) | Security & Compliance | Email records | | | [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records | | | [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [JetBrains](https://www.runsonwhat.com/reverse/jetbrains) | Dev Tools | DNS verification records | | ## FAQ ### What tools does Numerai use? As of November 2026, runsonwhat has found 27 tools at Numerai (numer.ai) in public records. Edge & Hosting: Cloudflare and Amazon Web Services. Application: Google Fonts, YouTube and Adobe Fonts. Go-to-market: Discord and Ghost. Company Ops: Google Workspace, SendGrid and Apple Business. Last checked November 9, 2026. ### What cloud does Numerai run on? Numerai uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on numer.ai. Amazon Web Services is used by 147,481 companies runsonwhat tracks. ### What email provider does Numerai use? Numerai uses Google Workspace for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on numer.ai. Google Workspace is used by 420,128 companies runsonwhat tracks. ### What does Numerai use for customer support? Numerai uses Discord for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Discord through Discord code on numer.ai. Discord is used by 7,050 companies runsonwhat tracks. ### What is Numerai's website built with? Numerai uses Ghost for its website, according to runsonwhat (November 2026). runsonwhat found Ghost through a subdomain that points at Ghost, and Numerai has used it since at least June 2025. Ghost is used by 900 companies runsonwhat tracks. ### How long has Numerai used Ghost? Numerai has used Ghost since at least June 2025, going by the first public certificate of the numer.ai subdomain that points at Ghost. ### Does Numerai use Google Fonts? Yes. runsonwhat found Google Fonts at Numerai through Google Fonts code on numer.ai. Google Fonts is a Media & UI tool used by 825,592 companies runsonwhat tracks. ### Does Numerai use AI tools? Yes. runsonwhat has found Anthropic and OpenAI at Numerai; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Numerai may use more AI tools than these. ### Which companies have a tech stack similar to Numerai's? The companies with the stacks most like Numerai's are Duolingo, Convequity, Apex Network and Htech, according to runsonwhat (November 2026). Each shares 5 to 14 tools with Numerai, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Numerai uses? runsonwhat reads public records only. Of the 27 tools at Numerai, 15 were found through DNS records, 6 through code on numer.ai, 5 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and numer.ai about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/numer.ai (updated November 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.