Technologies / OpenAI / Z.ai
Companies using OpenAI and Z.ai
30 companies in our data have public evidence for both OpenAI and Z.ai, and 12 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.
Companies using one are 7.1 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
| Company | OpenAI | Z.ai |
|---|---|---|
5 more companies
See every company using both OpenAI and Z.ai, with the source for each.
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OpenAI
AI and LLM providersOpenAI 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 3,342 companies we see using OpenAI also show the other.
All 3,342 companies using OpenAI2,560 name it as a subprocessorMore in AI and LLM providers
Z.ai
AI and LLM providersZ.ai is a company whose page describes a series of AI models, including GLM-130B, ChatGLM, GLM-4, and GLM-Realtime, along with products such as AutoGLM and GLM-PC. The page text does not clearly describe Z.ai itself as a single technology or state what it is used for, so I cannot give an accurate description of it.
Summarized from z.ai on 8 Nov 2026.
100% of the 30 companies we see using Z.ai also show the other.
All 30 companies using Z.ai12 name it as a subprocessorMore in AI and LLM providers
Industries
Among the companies above, by our own classification of their homepage.
Other pairs
Companies with their own evidence for both.
Questions
How many companies use both OpenAI and Z.ai?
30 companies in StrataDB's data have public evidence for both, and 12 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 OpenAI and Z.ai?
Airbuild, BitRouter, Canoli, DevAny.ai and Dr Moot, and 25 more companies. Each one links to the evidence behind it.
How does StrataDB know a company uses OpenAI and Z.ai?
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 OpenAI and Z.ai
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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