BenchLeader

DeepSeek vs SpaceXAI

Verdict
  • SpaceXAI's flagship leads: Grok 4.6 at 66.0 vs DeepSeek V4 Pro at 64.1.
  • SpaceXAI's fastest ranked model (Grok 4.20 Multi-Agent, 304 tok/s) beats DeepSeek's (Deepseek v4 Flash Vision, 239 tok/s).
  • DeepSeek publishes more open-weights models (20 vs 1).
  • DeepSeek ships more often: one model every 20 days against every 42.

Best model per price band

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

Price bandDeepSeekSpaceXAI
Under $0.50/MDeepSeek V4 Flash max 62.0$0.262/M
Under $2/MDeepSeek V4 Pro max 64.1$0.544/MGrok 4.20 thinking 59.9$1.56/M
Under $10/MDeepSeek V4 Pro max 64.1$0.544/MGrok 4.6 medium 66.0$3.00/M
Any priceDeepSeek V4 Pro max 64.1$0.544/MGrok 4.6 medium 66.0$3.00/M

Line-up

MetricDeepSeekSpaceXAI
Flagship index64.166.0
Ranked models1916
Open-weights models201
Cheapest ranked, $/M$0.068$1.25
Fastest ranked, tok/s239304
Release cadence, days2042
Last release10 Sept 202621 Sept 2026
Next expected22 Sept 2026 – 8 Oct 202616 Oct 2026 – 18 Nov 2026

Data as of 21 Sept 2026. See DeepSeek and SpaceXAI in full.