| Attribute | Microsoft | Amazon |
|---|---|---|
| AI footprint rank | #14 | #49 |
| Tracked products | 7 | 2 |
| Tracked models | 9 | 8 |
| Top ECI | 130.43 · Phi 4 | 123.75 · Amazon Nova Pro |
| Founded | 4 Apr 1975 | 5 Jul 1994 |
| Headquarters | Redmond | Seattle |
| Employees | 228,000 (2024) | 1,500,000 (2023) |
| Revenue (whole company) | $331.8B | $716.9B |
| Categories | General assistants, AI search, Workplace suites, Writing, Meetings & transcription, Presentations | Model APIs, Inference & hosting, AI chips & accelerators |