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Moonshot AI vs SpaceXAI

Verdict
  • Moonshot AI's flagship leads: Kimi K3 at 62.1 vs Grok 4.6 at 60.5.
  • Moonshot AI has the better model in 3 of 4 price bands.
  • SpaceXAI's fastest ranked model (Grok 4.20 Multi-Agent, 347 tok/s) beats Moonshot AI's (Kimi K2 Thinking, 99 tok/s).
  • Moonshot AI publishes more open-weights models (10 vs 1).
  • SpaceXAI ships more often: one model every 41 days against every 56.

Best model per price band

Each provider’s highest-index model below the price ceiling. Purple marks the winner of the band.

Price bandMoonshot AISpaceXAI
Under $0.50/M–Grok 4.1 Fast thinking 55.6$0.275/M
Under $2/MKimi K2.6 thinking 59.7$1.71/MGrok 4.20 thinking 58.4$1.56/M
Under $10/MKimi K3 max 62.1$6.00/MGrok 4.6 high 60.5$3.00/M
Any priceKimi K3 max 62.1$6.00/MGrok 4.6 high 60.5$3.00/M

Line-up

MetricMoonshot AISpaceXAI
Flagship index62.160.5
Ranked models915
Open-weights models101
Cheapest ranked, $/M$1.00$0.275
Fastest ranked, tok/s99347
Release cadence, days5641
Last release23 Oct 202621 Sep 2026
Next expected25 Nov 2026 – 9 Jan 202715 Oct 2026 – 17 Nov 2026

Data as of 6 Nov 2026. See Moonshot AI and SpaceXAI in full.