Does Assista use OpenAI?
Yes
We hold strong evidence for this.
- The company names it in its own subprocessor list, a statement that this vendor handles its customers' data.
How we know
About Assista
Assista creates text, images, carousels and short videos for social channels in a user's voice and brand, and publishes only what the user approves. It serves people and businesses who want to draft and review social posts, including through Slack or their own writing tools.
Summarized from its homepage on 13 Nov 2026.
What else Assista uses
Assista has evidence for 12 vendors. The strongest:
Stripe
Amazon Web Services
Anthropic
Composio
Google
Hetzner
Mistral AI
Resend
Other companies using OpenAI
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- 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