Summation

Data & ML Infrastructure11 vendorsUpdated Nov 10, 20266 added, 3 removed summation.com Subprocessor list

Summation uses 11 subprocessors and infrastructure vendors, including AWS, OpenAI and Anthropic, based on its public subprocessor list. Last checked Nov 10, 2026.

AI Stack · 3

Infrastructure · 8

AI Stack

Model Serving

Fireworks AI

81 companies

Generative AI services provider for Inference

Foundation Models

Anthropic

669 companies

Generative AI services provider for Inference

OpenAI

823 companies

Generative AI services provider for Inference

View their stack →

Infrastructure

Cloud & Networking

AWS

1307 companies

Cloud Infrastructure

Auth & Identity

Okta

98 companies

User authentication services (via Stytch)

Stytch

18 companies

Authentication/Authorization

Data Pipeline

Confluent

51 companies

Kafka

Observability

Datadog

426 companies

Observability, Logging, Error Monitoring

Analytics & BI

Web Analytics

Query Federation

Developer Platform

GitHub

207 companies

Configuration Management

Changes

Mar 30, 2026 to Nov 10, 2026Source

Added 6

Removed 3

Earlier lists

Mar 30, 20268 vendors

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