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DeepSeek-R1-0528 vs Grok 4.3

DeepSeek vs xAI — benchmarks, pricing, and capabilities side by side.

  • Grok 4.3 has the higher intelligence index (90.1 vs 63.3)
  • DeepSeek-R1-0528 is cheaper ($0.55 vs $1.25 per 1M input)
  • Grok 4.3 is faster
  • Grok 4.3 has a larger context window (1M)
DeepSeek-R1-0528Grok 4.3
Intelligence index63.390.1
DeveloperDeepSeekxAI
TypeLLMLLM
AccessOpen weightsAPI only
Context window131,072 tokens1,000,000 tokens
Input price$0.55 / 1M$1.25 / 1M
Output price$2.19 / 1M$2.50 / 1M
Speed45 tok/s88 tok/s
ReleasedMay 28, 2025May 6, 2026
Parameters671000000000
Input modalitiesText, Image
Output modalitiesText

Shared benchmarks

DeepSeek-R1-0528
Grok 4.3
GPQA Diamond
81
90.1
Humanity’s Last Exam
17.7
35