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Granite 4.0 Micro vs Grok 4.20 0309 v2

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

  • Grok 4.20 0309 v2 has the higher intelligence index (91.1 vs 25.6)
  • Granite 4.0 Micro is cheaper ($0.02 vs $2.00 per 1M input)
Granite 4.0 MicroGrok 4.20 0309 v2
Intelligence index25.691.1
DeveloperIBMxAI
TypeLLMLLM
AccessOpen weights
Context window131,000 tokens
Input price$0.02 / 1M$2.00 / 1M
Output price$0.11 / 1M$6.00 / 1M
Speed105 tok/s
ReleasedOctober 20, 2025April 7, 2026
Parameters
Input modalitiesText
Output modalitiesText

Shared benchmarks

Granite 4.0 Micro
Grok 4.20 0309 v2
GPQA Diamond
33.6
91.1
Humanity’s Last Exam
5.1
32.2