Character.ai's tech stack
What does Character.ai use?
Character.ai (character.ai) uses at least 36 tools we can see from public records, including Vercel for hosting, Microsoft 365 for email and documents, Zendesk for customer support and Google Analytics for analytics. Last checked .
- Industry
- Software
- Size
- 51–200 employees
- Based in
- Redwood City, United States
- Founded
- 2021
- Company page
- Tools found
- 36
- Categories
- 17
- Layers
- 5 of 5
- Last checked
- Oct 2026
Character.ai'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
6 tools, what the product is built with
Backend & Database
Payments & Billing
Media & UI
Data & Observability
5 tools, what they measure and store
Go-to-market
15 tools, how they find and keep customers
Company Ops
8 tools, what the team runs on day to day
Email Delivery
Dev Tools
Security & Compliance
Hiring at Character.ai
13 open roles on Character.ai's public Ashby job board.
Open roles by team
- Data & AI6
- Engineering5
- Other2
Latest openings
- Technical Program Manager, Product ExperienceRedwood City, CA · Jun 2026
- Principal Research Engineer, Post-TrainingRedwood City, CA · Jun 2026
- Technical Program Manager, Model Alignment and DeploymentRedwood City, CA · Jun 2026
- Staff Data Scientist, MonetizationRemote · Redwood City, CA · Apr 2026
- Technical Program Manager, AI InfrastructureRemote · Redwood City, CA · Apr 2026
- Software Engineer, Backend/Applied ML (Safety & Integrity)Remote · Redwood City, CA · Jan 2026
Checked October 22, 2026.
Companies like Character.ai also use
Tools common among companies with a similar stack that we haven't found at Character.ai.
Companies with a stack like Character.ai's
Ranked by shared tools, with rare tools counting more.
RoboflowSoftware · 51–200 people14in common
NestedSoftware · 11–50 people6in common
Spectral LabsSoftware · 11–50 people8in common
BugSplatSoftware · 11–50 people5in common
n8n GmbHSoftware · 11–50 people13in common
CasaSoftware · 11–50 people8in common
RidottoSoftware · 11–50 people4in common
UniversalSoftware · 11–50 people7in common
More Software companies
Other Software companies we've checked.
Character.ai tech stack FAQ
What tools does Character.ai use?
As of October 2026, runsonwhat has found 36 tools at Character.ai (character.ai) in public records. Edge & Hosting: Cloudflare and Vercel. Application: Google Fonts, React and Tailwind CSS. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: Meta Pixel, Google Ad Manager and Zendesk. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked October 18, 2026.
What cloud does Character.ai run on?
Character.ai uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a DNS verification record for Vercel. Vercel is used by 47,938 companies runsonwhat tracks.
What email provider does Character.ai use?
Character.ai uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 709,043 companies runsonwhat tracks.
What does Character.ai use for customer support?
Character.ai uses Zendesk for customer support and documentation, alongside GitBook, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records. Zendesk is used by 41,628 companies runsonwhat tracks.
What payment provider does Character.ai use?
Character.ai uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on character.ai. Stripe is used by 27,801 companies runsonwhat tracks.
What analytics tools does Character.ai use?
Character.ai uses Google Analytics for analytics, alongside Google Tag Manager and AppsFlyer, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on character.ai. Google Analytics is used by 875,970 companies runsonwhat tracks.
Does Character.ai use Google Fonts?
Yes. runsonwhat found Google Fonts at Character.ai through Google Fonts code on character.ai. Google Fonts is a Media & UI tool used by 807,040 companies runsonwhat tracks.
Is Character.ai hiring?
Yes. As of October 2026, Character.ai has 13 open roles on its public Ashby job board, most in data & AI (6) and engineering (5). None were posted in the last 30 days.
Which companies have a tech stack similar to Character.ai's?
The companies with the stacks most like Character.ai's are Roboflow, Nested, Spectral Labs and BugSplat, according to runsonwhat (October 2026). Each shares 5 to 14 tools with Character.ai, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Character.ai uses?
runsonwhat reads public records only. Of the 36 tools at Character.ai, 14 were found through code on character.ai, 9 through DNS records, 5 through website configuration files, 5 through subdomains that point at the vendor and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and character.ai 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.