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Models & Providers

Foundation model providers and specific models used (OpenAI, Anthropic, Gemini, Llama, Mistral, self-trained).

31 verified facts across 18 companies

Amgen

Global biotechnology company developing therapeutics.

GPT-5 by OpenAI

Applied across enterprise workflows.

Medium confidence

Receipts · 1

Show quotes (1)
  • “How Amgen uses GPT-5” — openai.com, Aug 7, 2025

Source last verified Jul 27, 2026

Clay

Go-to-market data enrichment and outbound automation platform.

OpenAI models by OpenAI

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

Cursor (Anysphere)

AI code editor and agentic coding platform (Agent, Tab, Composer, Bugbot, Cloud Agents).

Composer by Anysphere

Flagship in-house model family specialized for agentic coding.

High confidence

Receipts · 2

Show quotes (2)
  • “It is specialized for software engineering through reinforcement learning (RL) in a diverse range of development environments.” — cursor.com, Oct 29, 2025
  • “Composer 2.5 is Cursor's own model, trained to be highly capable for agentic coding.” — cursor.com, Jul 2026

Source last verified Jul 26, 2026

Claude by Anthropic

Offered as a first-class frontier model choice in Agent and chat.

High confidence

Receipts · 2

Show quotes (2)
  • “Claude Sonnet 5” — cursor.com, Jul 2026
  • “make API calls out to OpenAI, Anthropic, Gemini and xAI” — simonwillison.net, May 11, 2025

Source last verified Jul 26, 2026

GPT-5 series by OpenAI

OpenAI frontier and Codex models offered in the editor's model picker.

High confidence

Receipts · 3

Show quotes (3)
  • “Cursor supports frontier models from OpenAI, Anthropic, Google, SpaceXAI, and more” — cursor.com, Jul 2026
  • “How Cursor uses GPT-5” — openai.com, Aug 7, 2025
  • “GPT-3.5 and GPT-4 to ask questions and receive answers based on their code” — latent.space, Aug 22, 2023

Source last verified Jul 27, 2026

Grok 4.5 by SpaceXAI (xAI)

Jointly trained frontier model offered as a first-party option across plans.

High confidence

Receipts · 1

Show quotes (1)
  • “Grok 4.5 is jointly trained by Cursor and SpaceXAI for long-running coding and knowledge work.” — cursor.com, Jul 2026

Source last verified Jul 26, 2026

Kimi K2.5 by Moonshot AI

Open-weights base model that Composer's training starts from.

High confidence

Receipts · 1

Show quotes (1)
  • “Continued pretraining on an open base model, Kimi K2.5” — cursor.com, Mar 27, 2026

Source last verified Jul 26, 2026

Decagon

AI customer service agents for enterprises.

OpenAI models by OpenAI

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

Epilepsy Foundation

US nonprofit supporting people with epilepsy and seizure disorders.

Claude by Anthropic

Powers Sage, a conversational epilepsy assistant grounded in vetted content.

High confidence

Receipts · 2

Show quotes (2)
  • “Sage itself is an AI epilepsy assistant: a conversational agent, built on Claude.” — claude.com, Jul 2026
  • “Sage, is a Claude-powered AI epilepsy assistant” — claude.com, Jul 2026

Source last verified Jul 27, 2026

Eve

Legal AI platform for plaintiff law firms.

Figma

Collaborative interface design platform behind Figma Design and Figma Make.

Claude by Anthropic

Powers Figma Make prototype and app generation from designs.

High confidence

Receipts · 1

Show quotes (1)
  • “With Claude powering Figma Make, Figma enables teams to quickly transform ideas” — claude.com, Jul 2026

Source last verified Jul 27, 2026

Klarna

Swedish buy-now-pay-later payments and consumer banking company (NYSE: KLAR).

OpenAI models by OpenAI

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

LG CNS

Korean IT services company of LG Group delivering enterprise system integration.

Claude by Anthropic

Drives architecture design, legacy analysis, and complex code generation.

High confidence

Receipts · 1

Show quotes (1)
  • “The team relies on Claude Opus 4.6 for core work” — claude.com, Jul 2026

Source last verified Jul 27, 2026

National Domestic Workers Alliance

US nonprofit organizing and advocating for domestic workers.

Claude by Anthropic

Powers Ask Aya, a worker-governed AI support tool.

High confidence

Receipts · 1

Show quotes (1)
  • “NDWA built Ask Aya, an AI support tool built on Claude and governed by the workers it serves.” — claude.com, Jul 2026

Source last verified Jul 27, 2026

Notion

Connected AI workspace for docs, wikis, projects, and enterprise search (Notion AI, Agents, Q&A).

Claude by Anthropic

Core LLM provider for Notion AI and long-running agent workflows.

High confidence

Receipts · 3

Show quotes (3)
  • “The latest—like Claude Sonnet 4 and GPT-5—are already built in” — notion.com, Sep 18, 2025
  • “Opus 4.6 excels at interpreting what users actually want, producing shareable content on the first try” — claude.com, Jul 2026
  • “hosted by Notion as well as by organizations such as Anthropic and OpenAI” — notion.com, Jul 2026

Source last verified Jul 26, 2026

GPT-5 by OpenAI

Frontier OpenAI models offered in the agent model picker.

High confidence

Receipts · 2

Show quotes (2)
  • “The latest—like Claude Sonnet 4 and GPT-5—are already built in” — notion.com, Sep 18, 2025
  • “Service provider for hosting large language models and embeddings and for abuse prevention” — registora.com, Jul 9, 2026

Source last verified Jul 26, 2026

Gemini by Google

Google models offered in the multi-model agent picker.

Medium confidence

Receipts · 1

Show quotes (1)
  • “Service provider for hosting large language models and embeddings” — registora.com, Jul 9, 2026

Source last verified Jul 26, 2026

Perplexity

AI answer engine combining a proprietary web index with LLMs to deliver cited, conversational search.

Sonar by Perplexity

In-house search model family powering default search.

High confidence

Receipts · 1

Show quotes (1)
  • “Built on the robust foundation of Llama 3.3 70B, Sonar represents a significant advancement in answer quality, factuality, and readability” — cerebras.ai, Feb 11, 2025

Source last verified Jul 26, 2026

Llama by Meta

Open-weights base models served in production and underpinning Sonar.

High confidence

Receipts · 2

Show quotes (2)
  • “different variations of the popular open source Llama 3.1 models like 8B, 70B, and 405B” — developer.nvidia.com, Dec 5, 2024
  • “Built on the robust foundation of Llama 3.3 70B” — cerebras.ai, Feb 11, 2025

Source last verified Jul 26, 2026

Claude by Anthropic

Offered in free and paid tiers through Amazon Bedrock.

High confidence

Receipts · 1

Show quotes (1)
  • “Perplexity uses Amazon Bedrock to serve Claude models on both the free and paid versions of its search engine” — claude.com, Jul 2024

Source last verified Jul 26, 2026

GPT-5 by OpenAI

Flagship OpenAI models offered in the paid model picker.

High confidence

Receipts · 1

Show quotes (1)
  • “GPT-5 is now available on Perplexity and Comet for Max and Pro subscribers.” — x.com, Aug 7, 2025

Source last verified Jul 26, 2026

R1-1776 by Perplexity

Post-trained open-weights reasoning model with censorship removed.

Medium confidence

Receipts · 1

Show quotes (1)
  • “We are not able to make use of R1's powerful reasoning capabilities without first mitigating its bias and censorship” — eweek.com, Feb 20, 2025

Source last verified Jul 26, 2026

Ramp

Finance automation platform for corporate cards, expenses, and payments.

Claude Fable by Anthropic

Applied to large refactors in the Python monolith, with code merged.

High confidence

Receipts · 1

Show quotes (1)
  • “I told Fable to fix all our import cycles.” — claude.com, Aug 2026

Source last verified Aug 22, 2026

Shopify

E-commerce platform powering millions of merchant storefronts and an AI merchant assistant (Sidekick).

Claude Sonnet by Anthropic

Primary model behind Sidekick, the AI commerce assistant for merchants.

High confidence

Receipts · 2

Show quotes (2)
  • “The combination of Claude and Vertex AI helps us empower millions of merchants with our AI-enabled commerce assistant, Sidekick” — cloud.google.com, Feb 5, 2026
  • “Conversational artificial intelligence services” — help.shopify.com, Jul 2026

Source last verified Jul 26, 2026

OpenAI API by OpenAI

Additional model provider behind Sidekick's multi-provider routing.

High confidence

Receipts · 1

Show quotes (1)
  • “Personal data if input to or included in a response by Shopify Sidekick” — help.shopify.com, Jul 2026

Source last verified Jul 26, 2026

Qwen2VL 7B (fine-tuned) by Alibaba (open source)

Fine-tuned vision-language model powering the product-understanding pipeline.

High confidence

Receipts · 1

Show quotes (1)
  • “We have deployed three successive open-source models: LlaVA 1.5 7B, LLaMA 3.2 11B, and currently Qwen2VL 7B.” — shopify.engineering, Jul 16, 2025

Source last verified Jul 26, 2026

Shopify Magic by Shopify (in-house)

Free AI feature suite built on multiple leading model providers.

High confidence

Receipts · 1

Show quotes (1)
  • “built on a combination of Shopify's proprietary data and the world's leading large language models” — help.shopify.com, Jul 2026

Source last verified Jul 26, 2026

Slack

Workplace messaging and collaboration platform, part of Salesforce.

Claude by Anthropic

Powers Slack AI summarization, search, and knowledge features.

High confidence

Receipts · 1

Show quotes (1)
  • “Slack selected Claude for its exceptional capability in human-like understanding and nuanced conversation analysis.” — claude.com, Jul 2026

Source last verified Jul 27, 2026

Unify

Go-to-market platform with outbound AI agents.

OpenAI models by OpenAI

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

Valthos

AI biodefense company for biological risk assessment.

OpenAI models by OpenAI

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

Vanta

Trust management and security compliance automation platform.

OpenAI models by OpenAI

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