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usedby

Foundation models & model APIs tools used by Technology & Connectivity companies

Each line links its public proof and the date usedby last checked it.

35

Technology & Connectivity companies use Foundation models & model APIs tools

13 confirmed 22 observed

The most used: Cohere (15), OpenAI API (12), and Mistral (11).Data as of Oct 24, 2026

Ranking

Tools ranked by the Technology & Connectivity companies that use them. Ties go to the stronger proof.

Largest and best-proven users

Two labelled views of the same companies. Neither is a score.

Who uses each tool

Strongest proof first. A job post is a signal, the weakest proof.

  1. 1Cohere15 companies · Checked Oct 24, 202615
    5 confirmed 10 observed

    Cohere profile

    Show 5 more companies
  2. 2OpenAI API12 companies · Checked Oct 18, 202612
    0 confirmed 12 observed

    OpenAI API profile

    Show 2 more companies
  3. 3Mistral11 companies · Checked Oct 24, 202611
    8 confirmed 3 observed

    Mistral profile

    Show 1 more company

How usedby counts

13 confirmed 22 observed

A company counts once per tool, at its strongest proof: confirmed (a case study, a named testimonial, a press release or the company's own account), declared (the company told usedby), observed (a vendor logo wall or customers page) or signal (a job post). Counts cover the companies on usedby, never the whole market.

No software vendor had to be left out.

Data as of October 24, 2026.

Questions

Which Foundation models & model APIs tools do Technology & Connectivity companies use most?

Cohere leads: 15 of the 35 Technology & Connectivity companies on usedby that use Foundation models & model APIs tools use it. Next: OpenAI API (12) and Mistral (11). See Cohere.

How many Technology & Connectivity companies use Foundation models & model APIs tools?

35 Technology & Connectivity companies on usedby use at least one of 3 Foundation models & model APIs tools. It counts the companies usedby tracks.

What proof backs these lines?

Of the 35 companies, each counted at its strongest proof: 13 confirmed, 0 declared, 22 observed and 0 known from a job post.

How does usedby build this ranking?

usedby counts each Technology & Connectivity company once per tool, from public proof: case studies, press releases, the company's own site or its declaration to usedby, vendor customer pages and job posts. Every line shows its proof and the date usedby last checked it.