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Technologies / Grain / OpenAI

Companies using Grain and OpenAI

5 companies in our data have public evidence for both Grain and OpenAI, and 3 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.

5companies use both
56%of Grain users
under 1%of OpenAI users
3name both as subprocessors

Companies using one are 4.0 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

CompanyGrainOpenAI
GoodGoblingoodgoblin.aiGoodGoblin provides college admissions coaching, including essay scoring and feedback, application review, college match odds, and a profile builder.Education
Metabasemetabase.comMetabase provides business intelligence and embedded analytics software for querying and visualizing data from databases and warehouses.Data and analytics
Motifmotif.ioMotif provides a browser-based, agent-native BIM platform for building design that lets teams and AI agents design, coordinate, and refine together on one live shared model.AI and machine learningConstruction
Flankflank.aiFlank provides AI agents that handle high-volume contracting workflows such as drafting, review, negotiation, and triage, with lawyers reviewing finished work and high-risk items.AI and machine learningLegal
Mails.aimails.ai provides an API that gives AI agents their own email inbox to send, receive, and reply to messages.CommunicationsDeveloper tools

The two technologies

Grain

Productivity

Grain is an AI notetaker and conversation intelligence platform that records video calls, Slack huddles, and in-person meetings. It is used to provide summaries, insights, and coaching feedback and to share meeting data with clients and collaborators.

Summarized from grain.com on 8 Nov 2026.

56% of the 9 companies we see using Grain also show the other.

All 9 companies using Grain7 name it as a subprocessorMore in Productivity

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.

All 3,264 companies using OpenAI2,507 name it as a subprocessorMore in AI and LLM providers

Other pairs

Companies with their own evidence for both.

More with Grain

Cloudflare9companiesGoogle Workspace8companiesStripe7companiesAmazon Web Services6companiesFullStory5companiesGoogle Analytics5companies

More with OpenAI

Cloudflare3,266companiesGoogle Workspace2,462companiesAnthropic1,985companiesAmazon Web Services1,885companiesStripe1,637companiesGoogle1,540companies

Questions

How many companies use both Grain and OpenAI?

5 companies in StrataDB's data have public evidence for both, and 3 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 Grain and OpenAI?

GoodGoblin, Metabase, Motif, Flank and Mails.ai. Each one links to the evidence behind it.

How does StrataDB know a company uses Grain 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 Grain 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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