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Technologies / Nebius / OpenAI

Companies using Nebius and OpenAI

21 companies in our data have public evidence for both Nebius and OpenAI, and 17 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.

21companies use both
60%of Nebius users
1%of OpenAI users
17name both as subprocessors

Companies using one are 4.3 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

CompanyNebiusOpenAI
Act Securityact.securityAct removes excessive access across cloud environments to eliminate attack paths.Cloud and infrastructureCybersecurity
Applied Computeappliedcompute.comApplied Compute provides a platform to train, serve, and continuously improve custom AI models.AI and machine learning
Blurtblurt.meBlurt is an AI dictation app for Mac that turns speech into cleaned-up text in any app with a text field.Productivity and collaboration
CoCalccocalc.aiCoCalc lets users describe software they want and an AI agent builds it in a project with their files and software.AI and machine learningDeveloper tools
Datadogdatadoghq.comDatadog provides an integrated platform for monitoring and security, including observability, security, digital experience, software delivery, service management, and AI capabilities.Cloud and infrastructureCybersecurity
JetBrainsjetbrains.comJetBrains makes IDEs and code authoring tools for developers, plus team tools for CI/CD, project management, code quality, and data science.Developer toolsProductivity and collaboration
Lightfernlightfern.comLightfern provides an AI email assistant that drafts replies, suggests completions, and answers questions inline within Gmail, Outlook Web, and Superhuman Web.CommunicationsProductivity and collaboration
MeinGPTmeingpt.comMeinGPT provides an AI use-case platform with chat, models, assistants, meetings, integrations and tools for building and running AI use cases.AI and machine learningProductivity and collaboration
Mindsmithmindsmith.aiMindsmith is an AI-native eLearning authoring tool that turns source material into interactive courses.AI and machine learning
monday.commonday.com provides an AI workspace platform for managing projects, workflows, and business processes.AI and machine learningProductivity and collaboration
monday spacesmondayspaces.comThe company runs mondayspaces.com, a platform where users create and share workspaces and templates made by other users.Productivity and collaboration
Novisnovis.aiNovis provides an AI workspace for knowledge work and AI-native software for company workflows.AI and machine learningLegal
Recraftrecraft.aiRecraft provides AI image models that generate images and editable vector graphics from prompts.AI and machine learningDesign and creative
Requestyrequesty.aiRequesty is an AI gateway that provides access to over 600 models through one OpenAI-compatible API, with routing, failover, spend limits, governance and observability.AI and machine learningDeveloper tools
Saunasauna.aiSauna is an AI teammate that connects to tools like email, Slack, and iMessage to draft messages, track work, and act on your behalf.AI and machine learningProductivity and collaboration
shopify.comShopify provides a commerce platform for building online stores, selling in person, and managing orders, inventory, payments, and shipping.Developer toolsE-commerce
Channel3trychannel3.comChannel3 provides an API and infrastructure that let AI agents search, recommend, and purchase products.AI and machine learningDeveloper tools
botts.aiAI and machine learning
Clevecleve.aiCleve is a personal AI workspace that stores your documents, notes, and ideas and connects them so you can reuse them.AI and machine learningProductivity and collaboration
Sophiagosophia.aiSophia provides AI for the back office of industrial companies, built for the ERP and CRM systems they already use.AI and machine learning
White Circlewhitecircle.comWhite Circle provides tools to monitor and control AI system behavior in real time, including testing, policy enforcement, and analysis.AI and machine learning

The two technologies

Nebius

Cloud and infrastructure

Nebius is an AI cloud platform. It is used to build and scale AI workloads, from training to inference.

Summarized from nebius.com on 8 Nov 2026.

60% of the 35 companies we see using Nebius also show the other.

All 35 companies using Nebius34 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.

1% of the 3,304 companies we see using OpenAI also show the other.

All 3,304 companies using OpenAI2,530 name it as a subprocessorMore in AI and LLM providers

Industries

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

AI and machine learning14Productivity and collaboration9Developer tools5Cloud and infrastructure2Cybersecurity2

Other pairs

Companies with their own evidence for both.

More with Nebius

Cloudflare35companiesAmazon Web Services29companiesGoogle Workspace29companiesGoogle Cloud20companiesAnthropic19companiesStripe19companies

More with OpenAI

Cloudflare3,289companiesGoogle Workspace2,481companiesAnthropic1,998companiesAmazon Web Services1,890companiesStripe1,652companiesGoogle1,552companies

Questions

How many companies use both Nebius and OpenAI?

21 companies in StrataDB's data have public evidence for both, and 17 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 Nebius and OpenAI?

Act Security, Applied Compute, Blurt, CoCalc and Datadog, and 16 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Nebius 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 Nebius 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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