Microsoft vs SpaceXAI: AI valuation, funding and models compared
Microsoft and SpaceXAI are among the most valuable AI companies tracked by The Artificial Index, ranked #3 and #5 by AI-attributed value. Microsoft's AI-attributed market cap of $3.81T (Oct 2026) is about 1.8× SpaceXAI's $2.16T (Oct 2026). Recorded funding totals $1B for Microsoft and $42B for SpaceXAI. Latest reported revenue is $92.3B and $7.81B respectively. The index tracks 53 AI models for Microsoft and 32 for SpaceXAI. Open each company profile for sources and full histories, or add a third company in the interactive comparison.
| Metric |  Microsoft |  SpaceXAI |
|---|---|---|
| Rank by AI value | #3 | #5 |
| Company type | Public | Public |
| AI-attributed value* | $3.81T · Oct 1, 2026 | $2.16T · Oct 2, 2026 |
| Change vs previous value | 37.5%increase | 5.4%increase |
| Funding recorded | $1B | $42B |
| Latest revenue | $92.3B | $7.81B |
| AI models tracked | 53 | 32 |
| Releases, last 12 months | 47 | 83 |
| Founded | 1975 | 2023 |
| Country | United States | United States |
| Latest release | Microsoft launches Copilot harness agent runtime on Foundry · Oct 28, 2026 | xAI offers to buy Southaven homes amid data-center noise lawsuit · Oct 28, 2026 |
Microsoft profile →SpaceXAI 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