stack.tools

OpenAI models

by OpenAI · Models & Providers

6 companies with evidence on file — every claim below links to its source.

Clay

Classifies and extracts attributes from websites and account data.

High confidence

Receipts · 1

Show quotes (1)
  • “OpenAI models are used to classify and extract attributes from company websites” — openai.com, Jul 2026

Source last verified Jul 27, 2026 Full Clay stack →

Decagon

Powers AI agents for customer support and operations.

High confidence

Receipts · 1

Show quotes (1)
  • “Decagon uses OpenAI models to power AI agents for customer support” — openai.com, Jul 2026

Source last verified Jul 27, 2026 Full Decagon stack →

Klarna

Powers the customer-facing Klarna AI Assistant.

High confidence

Receipts · 2

Show quotes (2)
  • “Klarna today announced its AI assistant powered by OpenAI.” — klarna.com, Feb 27, 2024
  • “We continue to see very demonstrable value from Klarna's AI assistant.” — customerexperiencedive.com, Nov 20, 2025

Source last verified Jul 26, 2026 Full Klarna stack →

Unify

Executes automated research jobs and detects buying signals.

High confidence

Receipts · 1

Show quotes (1)
  • “Unify relies on OpenAI’s agentic capabilities and tool-calling to execute millions of automated research jobs” — openai.com, Jul 2026

Source last verified Jul 27, 2026 Full Unify stack →

Valthos

Reasoning layer for biological risk assessment pipelines.

High confidence

Receipts · 1

Show quotes (1)
  • “Valthos uses OpenAI as the reasoning layer that ties together biological models” — openai.com, Jul 2026

Source last verified Jul 27, 2026 Full Valthos stack →

Vanta

Reasons over and translates security and compliance data.

High confidence

Receipts · 1

Show quotes (1)
  • “Vanta uses OpenAI models to reason and translate data across its” — openai.com, Jul 2026

Source last verified Jul 27, 2026 Full Vanta stack →