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Granite 3.3 8B vs Grok 4.3

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

  • Grok 4.3 has the higher intelligence index (90.1 vs 32.5)
  • Granite 3.3 8B is cheaper ($0.00 vs $1.25 per 1M input)
  • Granite 3.3 8B is faster
Granite 3.3 8BGrok 4.3
Intelligence index32.590.1
DeveloperIBMxAI
TypeLLMLLM
AccessAPI only
Context window1,000,000 tokens
Input price$0.00 / 1M$1.25 / 1M
Output price$0.30 / 1M$2.50 / 1M
Speed376 tok/s88 tok/s
ReleasedApril 16, 2025May 6, 2026
Parameters
Input modalitiesText, Image
Output modalitiesText

Shared benchmarks

Granite 3.3 8B
Grok 4.3
GPQA Diamond
33.8
90.1
Humanity’s Last Exam
4.2
35