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Microsoft vs OpenAI
Pick 2-5 products, models, companies or categories. The table shows measurable differences with sources; highlighted cells mark the objectively highest or lowest value in a row, never an overall winner.
Companies (2)
| Attribute | Microsoft | OpenAI |
|---|---|---|
| AI footprint rank | #14 | #2 |
| Tracked products | 7 | 11 |
| Tracked models | 9 | 205 |
| Top ECI | 130.43 · Phi 4 | 166.6 · GPT-6 Astra |
| Founded | 4 Apr 1975 | 11 Dec 2015 |
| Headquarters | Redmond | San Francisco |
| Employees | 228,000 (2024) | 4,500 (2026) |
| Revenue (whole company) | $331.8B | $25.0B |
| Categories | General assistants, AI search, Workplace suites, Writing, Meetings & transcription, Presentations | General assistants, AI search, Research, Coding, Browser & computer-use agents, Coding agents |