Microsoft vs Amazon: AI valuation, funding and models compared
Microsoft and Amazon are among the most valuable AI companies tracked by The Artificial Index, ranked #3 and #4 by AI-attributed value. Microsoft's AI-attributed market cap of $3.81T (Oct 2026) is about 1.4× Amazon's $2.69T (Oct 2026). Microsoft has $1B in recorded funding rounds; Amazon has none recorded, as a public company. Latest reported revenue is $92.3B and $202B respectively. The index tracks 53 AI models for Microsoft and 37 for Amazon. Open each company profile for sources and full histories, or add a third company in the interactive comparison.
| Metric |  Microsoft |  Amazon |
|---|---|---|
| Rank by AI value | #3 | #4 |
| Company type | Public | Public |
| AI-attributed value* | $3.81T · Oct 1, 2026 | $2.69T · Oct 1, 2026 |
| Change vs previous value | 37.5%increase | 4.8%increase |
| Funding recorded | $1B | — |
| Latest revenue | $92.3B | $202B |
| AI models tracked | 53 | 37 |
| Releases, last 12 months | 47 | 53 |
| Founded | 1975 | 1994 |
| Country | United States | United States |
| Latest release | Microsoft launches Copilot harness agent runtime on Foundry · Oct 28, 2026 | AWS Q3 2026 revenue rises 39% to $46.0B · Oct 29, 2026 |
Microsoft profile →Amazon profile →Interactive comparison with charts →
* Market cap / valuation. Company values are AI-attributed: the latest market cap or valuation × the share attributed to AI (100% for pure AI companies). Methodology