assistant-ui's tech stack
What does assistant-ui use?
assistant-ui (assistant-ui.com) uses at least 15 tools we can see from public records, including Vercel for hosting, Google Workspace for email and documents, Discord for customer support and PostHog for analytics. Last checked .
“Open Source React.js Library for AI Chat”
- Industry
- Infrastructure
- Size
- 1–10 employees
- Based in
- San Francisco, United States
- Tools found
- 15
- Categories
- 11
- Oldest proven tool
- Oct 2024
- Last checked
- Oct 2026
assistant-ui's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
2 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
5 tools, what the product is built with
Data & Observability
4 tools, what they measure and store
Monitoring
Go-to-market
2 tools, how they find and keep customers
Marketing
Support & Docs
Company Ops
2 tools, what the team runs on day to day
Workspace
People & HR
What changed at assistant-ui
assistant-ui tech stack FAQ
What tools does assistant-ui use?
As of October 2026, runsonwhat has found 15 tools at assistant-ui (assistant-ui.com) in public records. Edge & Hosting: Cloudflare and Vercel. Application: React, Tailwind CSS and Next.js. Data & Observability: web-vitals, PostHog and Vercel Analytics. Go-to-market: Discord. Company Ops: Google Workspace and Rippling. Last checked October 9, 2026.
What cloud does assistant-ui run on?
assistant-ui uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a DNS verification record for Vercel and a subdomain, and assistant-ui has used it since at least October 2024. Vercel is used by 45,811 companies runsonwhat tracks.
What email provider does assistant-ui use?
assistant-ui uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on assistant-ui.com. Google Workspace is used by 393,481 companies runsonwhat tracks.
What does assistant-ui use for customer support?
assistant-ui uses Discord for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Discord through Discord code on assistant-ui.com. Discord is used by 3,712 companies runsonwhat tracks.
What payment provider does assistant-ui use?
assistant-ui uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and a subdomain. Stripe is used by 25,632 companies runsonwhat tracks.
What analytics tools does assistant-ui use?
assistant-ui uses PostHog for analytics, alongside Vercel Analytics, according to runsonwhat (October 2026). runsonwhat found PostHog through PostHog code on assistant-ui.com. PostHog is used by 9,080 companies runsonwhat tracks.
How long has assistant-ui used Vercel?
assistant-ui has used Vercel since at least October 2024, going by the first public certificate of the assistant-ui.com subdomain that points at Vercel.
Does assistant-ui use Cloudflare?
Yes. runsonwhat found Cloudflare at assistant-ui through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 686,450 companies runsonwhat tracks.
Which companies have a tech stack similar to assistant-ui's?
The companies with the stacks most like assistant-ui's are Ocular AI, Harbor, Copperlane and SpecCheck, according to runsonwhat (October 2026). Each shares 6 to 8 tools with assistant-ui, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what assistant-ui uses?
runsonwhat reads public records only. Of the 15 tools at assistant-ui, 7 were found through code on assistant-ui.com, 5 through DNS records, 1 through email records, 1 through website configuration files 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 assistant-ui.com about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.