Companies / Co-Teacher / OpenAI
Does Co-Teacher use OpenAI?
Probably
We hold good evidence for this, but not the strongest kind.
- The company's privacy policy names it as a processor, controller or partner.
How we know
About Co-Teacher
Co-Teacher analyzes handwritten student work and provides feedback, practice, and reteach lessons. It serves teachers, schools, students, and parents.
Summarized from its homepage on 8 Nov 2026.
What else Co-Teacher uses
Co-Teacher has evidence for 25 vendors. The strongest:
Vercel
Amazon Bedrock
Anthropic
Mixpanel
Sentry
Stripe
Amazon Web Services
Other companies using OpenAI
Check any company's vendors in seconds
See Co-Teacher's full stack with a source for every vendor, and ask the same question about any company 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