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Technologies / Linkup / OpenAI

Companies using Linkup and OpenAI

7 companies in our data have public evidence for both Linkup and OpenAI, and 6 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.

7companies use both
44%of Linkup users
under 1%of OpenAI users
6name 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

CompanyLinkupOpenAI
Capsa AIcapsa.aiCapsa provides an AI platform for private capital firms, with custom workflows, data integration, and traceable insights.AI and machine learningFinance and accounting software
DeutschlandGPTdeutschlandgpt.deDeutschlandGPT provides an AI platform with chat, workflows, specialized applications, and integrations for organizations.AI and machine learningProductivity and collaboration
Jsonifyjsonify.comJsonify builds automated data pipelines that extract, verify and deliver datasets from websites, documents and apps on a schedule.Data and analytics
Legoralegora.comLegora provides collaborative AI software for legal work.AI and machine learningLegal
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
Wellwellapp.aiWell is a contact in messaging apps like WhatsApp, Claude, and ChatGPT that handles invoices, receipts, reminders, and renewals.Finance and accounting software
Ckvensckvens.comCkvens provides a workspace for lawyers to organize case documents, events, people and assessments in one place.LegalProductivity and collaboration

The two technologies

Linkup is a web search API for AI applications. It is used to retrieve sourced, cited answers and full-text snippets from across the web for AI systems.

Summarized from linkup.so on 8 Nov 2026.

44% of the 16 companies we see using Linkup also show the other.

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 3,264 companies we see using OpenAI also show the other.

Industries

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

AI and machine learning4Productivity and collaboration3Finance and accounting software2Legal2

Other pairs

Companies with their own evidence for both.

Questions

How many companies use both Linkup and OpenAI?

7 companies in StrataDB's data have public evidence for both, and 6 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 Linkup and OpenAI?

Capsa AI, DeutschlandGPT, Jsonify, Legora and MeinGPT, and 2 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Linkup 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 Linkup 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
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call