What LLMs Do AI Companies Use?
We tracked 12 Foundation Modelstools across 930+ AI companies. Here's how they rank by adoption.
Data current as of March 2026
1
OpenAI326 companies
2
Anthropic252 companies
3
Cohere12 companies
4
Google (Gemini)11 companies
5
Mistral9 companies
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+7 more Foundation Models tools
See which specific companies use each of these 12 tools
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