Moonshot AI vs 
xAI
Verdict
- Moonshot AI's flagship leads: Kimi K3 at 66.5 vs Grok 4.6 at 63.8.
- Moonshot AI has the better model in 2 of 4 price bands.
- Moonshot AI's fastest ranked model (Kimi K2 Thinking, 119 tok/s) beats xAI's (Grok 4.3, 113 tok/s).
- Moonshot AI publishes more open-weights models (7 vs 0).
- xAI ships more often: one model every 42 days against every 82.
Best model per price band
Each provider’s highest-index model below the price ceiling. Purple marks the winner of the band.
Line-up
| Metric | Moonshot AI | xAI |
|---|---|---|
| Flagship index | 66.5 | 63.8 |
| Ranked models | 8 | 14 |
| Open-weights models | 7 | 0 |
| Cheapest ranked, $/M | $1.07 | $1.25 |
| Fastest ranked, tok/s | 119 | 113 |
| Release cadence, days | 82 | 42 |
| Last release | 16 Jul 2026 | 12 Aug 2026 |
| Next expected | 3 Sept 2026 – 7 Nov 2026 | 6 Sept 2026 – 9 Oct 2026 |
Data as of 9 Sept 2026. See Moonshot AI and xAI in full.