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Technologies / Anthropic / ChatGPT

Companies using Anthropic and ChatGPT

48 companies in our data have public evidence for both Anthropic and ChatGPT, and 5 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.

48companies use both
2%of Anthropic users
77%of ChatGPT users
5name both as subprocessors

Companies using one are 6.3 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

CompanyAnthropicChatGPT
cypherbio.aiCypher AI provides an ELN, LIMS, data analysis tools, bioinformatics pipelines, and a marketplace for life-science R&D labs.Biotech and life sciencesData and analytics
Karomiakaromia.euCompliance and riskEnergy and climate
Onitonit.comOnit provides AI-powered enterprise legal management software for managing legal spend, matters, contracts, and workflows.Legal
Simple Analyticssimpleanalytics.comSimple Analytics provides cookieless web analytics that measure pageviews, events, referrers, and campaign data without cookies or visitor IDs.Data and analytics
Vena Solutionsvenasolutions.comVena provides a Microsoft-native FP&A platform for planning, decisioning and close that connects people, processes, data and AI in Excel and Microsoft 365 tools.Data and analyticsFinance and accounting software
Citations.ioCitations.io tracks whether and how AI search engines like ChatGPT, Gemini, Perplexity and Claude mention a brand, and provides a monthly Implementation Pack of steps to get cited more often.AI and machine learningMarketing
Emotional Pulseemotionalpulse.aiEmotional Pulse provides a proactive EAP with scheduled check-in calls, mental health training and a daily check-in app.Compliance and riskHR and recruiting
Eulexeulex.aiEulex provides an AI system for navigating European regulation and staying compliant, including a legal research workstation and a regulatory database connected to AI assistants.AI and machine learningCompliance and risk
IQRushiqrush.aiIQRush measures how a brand appears in AI search, verifies the results, and creates recommendations to improve visibility.AI and machine learningData and analytics
Nova Analyticsnovadata.ioNova provides Amazon seller and vendor analytics covering sales, profit and loss, advertising, inventory, catalogue and search query performance.Data and analyticsE-commerce
welovealfa.comAlfa provides an AI recruiting platform that sources, screens, and evaluates candidates and syncs them into applicant tracking systems.AI and machine learningHR and recruiting
Zerniozernio.comZernio provides a single API that lets products and agents publish posts, send messages, run ads, and read analytics across social, blog, messaging, voice, and ad platforms.Developer tools
athletedataathletedata.healthathletedata provides an AI coaching service that combines training data from apps and devices like Garmin, Apple Health, Whoop and Oura into a plan that adjusts to the athlete.AI and machine learningConsumer apps
Autroidautroid.aiAutroid provides an AI-native business operating system that unifies finance, CRM, inventory, HR, operations and governed AI on one real-time ledger.Finance and accounting software
AveryIQaveryiq.comAvery is an assistant that helps turn leads into clients.Real estate
CampaignStackcampaignstack.ioCampaignStack finds leads, writes to them in your voice, books meetings and provides a brief before the call.Sales
CasEnginecasengine.appCasEngine provides legal practice management software that combines case, client, document, time and billing records with an AI workspace that reads case documents into cited chronologies and party maps.Legal
Cloudenclouden.netClouden Oy designs and builds AI-native and cloud-native systems, including cloud architecture and implementation.AI and machine learningCloud and infrastructure
comos-federation.comComOS provides a federated network where each business runs its own complete world with its catalog, customers, and agents, connected through one shared mint, ledger, and settlement rail.
Corebeecorebee.aiCorebee is an AI customer support agent that answers customers on multiple channels and takes actions such as rescheduling appointments, processing refunds, and booking visits.AI and machine learningCustomer support
Emporiqaemporiqa.comEmporiqa provides an AI shop assistant for e-commerce stores that finds and compares products, fills carts, answers order questions, and drafts customer email replies.AI and machine learningCustomer support
ERPProerppro.com.brE-commerceFinance and accounting software
Octanegetoctane.aiOctane is an AI workforce for convenience stores that handles pricing, inventory, invoices, fuel pricing, promotions, and cash reconciliation.AI and machine learningRetail
Padgetpad.devPad is a project workspace that holds tasks, plans, bugs, decisions and the rules AI agents follow, accessible in the browser and through the CLI and MCP.AI and machine learningDeveloper tools
Signaturagetsignatura.comSignatura is an e-signature platform for sending, signing, and sealing documents online.

23 more companies

See every company using both Anthropic and ChatGPT, with the source for each.

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The two technologies

Anthropic

AI and LLM providers

Anthropic is a public benefit corporation dedicated to securing the benefits of AI and mitigating its risks. It is used for the responsible development and maintenance of advanced AI for the long-term benefit of humanity.

Summarized from anthropic.com on 8 Nov 2026.

2% of the 2,890 companies we see using Anthropic also show the other.

All 2,890 companies using Anthropic2,221 name it as a subprocessorMore in AI and LLM providers

ChatGPT

AI and LLM providers

ChatGPT is AI. It is used to chat and get responses.

Summarized from chatgpt.com on 8 Nov 2026.

77% of the 62 companies we see using ChatGPT also show the other.

All 62 companies using ChatGPT10 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 learning10Data and analytics5Compliance and risk3Legal3Finance and accounting software3E-commerce3Marketing2HR and recruiting2Developer tools2Customer support2

Other pairs

Companies with their own evidence for both.

More with Anthropic

Cloudflare2,887companiesGoogle Workspace2,116companiesOpenAI1,983companiesAmazon Web Services1,552companiesStripe1,519companiesGoogle1,404companies

More with ChatGPT

Cloudflare62companiesGoogle Workspace39companiesAmazon Web Services26companiesGoogle Analytics26companiesGoogle25companiesStripe25companies

Questions

How many companies use both Anthropic and ChatGPT?

48 companies in StrataDB's data have public evidence for both, and 5 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 Anthropic and ChatGPT?

cypherbio.ai, Karomia, Onit, Simple Analytics and Vena Solutions, and 43 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Anthropic and ChatGPT?

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 Anthropic and ChatGPT

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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  • Work email only. No card, no sales call