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Technologies / Leaseweb / OpenAI

Companies using Leaseweb and OpenAI

10 companies in our data have public evidence for both Leaseweb and OpenAI, and 8 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

10companies use both
43%of Leaseweb users
under 1%of OpenAI users
8name both as subprocessors

Companies using one are 3.1 times as likely as the average company in our data to show evidence of the other.

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyLeasewebOpenAI
GrowPanelgrowpanel.ioGrowPanel provides subscription analytics software that tracks metrics such as MRR, ARR, churn, and cashflow by connecting to billing platforms like Stripe, Chargebee, and Recurly.Data and analytics
iSpringispring.comiSpring provides a learning management system platform for employee onboarding, compliance training, assessment, and development.EducationHR and recruiting
iSpring Nordicsispring.friSpring provides online training software, including the iSpring LMS learning management system and the iSpring Suite AI course authoring tool that works within PowerPoint.Education
iSpring ソフトウェア｜数クリックでeラーニングを作成ispring.jpiSpring provides e-learning authoring tools and a learning management system (LMS) for creating courses, quizzes, and training content.Education
iSpringispringlearn.deiSpring provides e-learning software, including a learning management system and an authoring tool for creating online courses.Education
MediaLabmedialab.coMediaLab provides a platform for uploading, managing, reviewing, and distributing media files of any size.Media and entertainment
Simple Analyticssimpleanalytics.comSimple Analytics provides cookieless web analytics that measure pageviews, events, referrers, and campaign data without cookies or visitor IDs.Data and analytics
TestMu AI (Formerly LambdaTest)testmuai.comTestMu AI provides a unified quality engineering platform for automating end-to-end testing across web, mobile, and AI applications.AI and machine learningDeveloper tools
Inference Shellinference.shinference.sh provides one API to run AI models for image, video, audio, text, search, and 3D, along with skills, agents, and a CLI.AI and machine learningDeveloper tools
aidropaidrop.itAidrop is an AI app hosting service that builds and runs apps created with coding agents like Claude Code, Cursor, or Codex and gives them a public URL.Cloud and infrastructureDeveloper tools

The two technologies

Leaseweb

Cloud and infrastructure

Leaseweb is a provider of dedicated servers, cloud services, cloud storage and CDN. It is used for hosting workloads such as demanding applications, virtualized solutions and websites.

Summarized from leaseweb.com on 8 Nov 2026.

43% of the 23 companies we see using Leaseweb also show the other.

All 23 companies using Leaseweb21 name it as a subprocessorMore in Cloud and infrastructure

OpenAI

AI and LLM providers

OpenAI is a platform that provides an API for building with OpenAI models. It is used to access models, tools, and services for tasks such as text generation, image generation, audio, and agents.

Summarized from developers.openai.com on 8 Nov 2026.

under 1% of the 3,285 companies we see using OpenAI also show the other.

All 3,285 companies using OpenAI2,522 name it as a subprocessorMore in AI and LLM providers

Industries

Among the companies above, by our own classification of their homepage.

Education4Developer tools3Data and analytics2AI and machine learning2

Other pairs

Companies with their own evidence for both.

More with Leaseweb

Cloudflare23companiesGoogle13companiesAmazon Web Services12companiesGoogle Workspace11companiesGoogle Tag Manager10companiesStripe8companies

More with OpenAI

Cloudflare3,279companiesGoogle Workspace2,474companiesAnthropic1,994companiesAmazon Web Services1,891companiesStripe1,644companiesGoogle1,548companies

Questions

How many companies use both Leaseweb and OpenAI?

10 companies in StrataDB's data have public evidence for both, and 8 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Leaseweb and OpenAI?

GrowPanel, iSpring, iSpring Nordics, iSpring ソフトウェア｜数クリックでeラーニングを作成 and iSpring, and 5 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Leaseweb and OpenAI?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Leaseweb and OpenAI

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
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