AI Rankings

Gemma 4 31B vs Grok 4 Heavy

Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.

A
Gemma 4 31B
B
Grok 4 Heavy
  • Provider
    Google
    xAI
  • Rank
    #64
    #57Higher rank
  • Tier
    A
    A
  • Score
    73.0
    74.9Higher score
  • Price
    Free (open weights)Lower price tier
    SuperGrok Heavy subscription ($300/mo); not listed in the xAI API model catalog
  • Tagline
    Compact open-weight model from Google with solid function calling for lightweight deployments.
    xAI's July 2025 Grok 4 variant that runs parallel test-time compute, offered through the SuperGrok Heavy plan; since followed by Grok 4.20, 4.5, 4.6 and 4.7.

Change selection

What to compare