MiniMax vs 
SpaceXAI
Verdict
- SpaceXAI's flagship leads: Grok 4.6 at 66.0 vs MiniMax M3 at 57.4.
- SpaceXAI has the better model in 3 of 4 price bands.
- SpaceXAI's fastest ranked model (Grok 4.20 Multi-Agent, 304 tok/s) beats MiniMax's (MiniMax M3, 169 tok/s).
- MiniMax publishes more open-weights models (7 vs 1).
- SpaceXAI ships more often: one model every 42 days against every 108.
Best model per price band
Each provider’s highest-index model below the price ceiling. Purple marks the winner of the band.
| Price band | MiniMax | SpaceXAI |
|---|---|---|
| Under $0.50/M | – | – |
| Under $2/M | MiniMax M3 57.4$0.525/M | Grok 4.20 thinking 59.9$1.56/M |
| Under $10/M | MiniMax M3 57.4$0.525/M | Grok 4.6 medium 66.0$3.00/M |
| Any price | MiniMax M3 57.4$0.525/M | Grok 4.6 medium 66.0$3.00/M |
Line-up
| Metric | MiniMax | SpaceXAI |
|---|---|---|
| Flagship index | 57.4 | 66.0 |
| Ranked models | 5 | 16 |
| Open-weights models | 7 | 1 |
| Cheapest ranked, $/M | $0.525 | $1.25 |
| Fastest ranked, tok/s | 169 | 304 |
| Release cadence, days | 108 | 42 |
| Last release | 1 Jun 2026 | 21 Sept 2026 |
| Next expected | 4 Aug 2026 – 30 Oct 2026 | 16 Oct 2026 – 18 Nov 2026 |