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Gemma 4 E4B vs Grok 4.20 0309

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

  • Grok 4.20 0309 has the higher intelligence index (88.5 vs 57.6)
  • Gemma 4 E4B is cheaper ($0.00 vs $2.00 per 1M input)
Gemma 4 E4BGrok 4.20 0309
Intelligence index57.688.5
DeveloperGooglexAI
TypeLLMLLM
Access
Context window
Input price$0.00 / 1M$2.00 / 1M
Output price$0.00 / 1M$6.00 / 1M
Speed97 tok/s
ReleasedApril 3, 2026March 10, 2026
Parameters
Input modalities
Output modalities

Shared benchmarks

Gemma 4 E4B
Grok 4.20 0309
GPQA Diamond
57.6
88.5
Humanity’s Last Exam
4.7
30