Grain

Collaboration & Productivity17 vendorsUpdated Nov 10, 20262 removed grain.com Subprocessor list

Grain uses 17 subprocessors and infrastructure vendors, including AWS, OpenAI and Stripe, based on its public subprocessor list. Last checked Nov 10, 2026.

AI Stack · 5

Infrastructure · 12

AI Stack

Foundation Models

Anthropic

669 companies

Automated summarization and other generative data transformations

OpenAI

823 companies

Automated summarization and other generative data transformations

View their stack →

Voice & Speech AI

AssemblyAI

67 companies

Speech-to-text processing service

Recall.ai

63 companies

Meeting bot API service

Rev AI

11 companies

Speech-to-text processing service

Infrastructure

Cloud & Networking

AWS

1307 companies

Video call recording storage

Databases

Snowflake

341 companies

Data warehousing

Observability

Sentry

518 companies

Crash & error monitoring

Billing & Payments

Stripe

741 companies

Payment processor

Analytics & BI

Amplitude

136 companies

Analytics on product use

ProfitWell

26 companies

SaaS subscription revenue analytics and recovery

Segment

189 companies

Customer data platform

Sprig

7 companies

User research platform

CRM & Support

HubSpot

410 companies

Customer relationship management

Intercom

374 companies

Customer support service

View their stack →

Vitally

28 companies

Customer success management

Communications

SendGrid

362 companies

Email marketing

Model labs reached through vendors 1

Grain does not list these model providers. Vendors on its list name them on their own subprocessor lists.

Google (Gemini)throughAmplitude

Changes

Mar 20, 2026 to Nov 10, 2026Source

Removed 2

Earlier lists

Mar 20, 202619 vendors

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