AI Rankings

Grok 4 Heavy vs Gemma 4 31B

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

A
Grok 4 Heavy
B
Gemma 4 31B
  • Provider
    xAI
    Google
  • Rank
    #57Higher rank
    #64
  • Tier
    A
    A
  • Score
    74.9Higher score
    73.0
  • Price
    SuperGrok Heavy subscription ($300/mo); not listed in the xAI API model catalog
    Free (open weights)Lower price tier
  • Tagline
    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.
    Compact open-weight model from Google with solid function calling for lightweight deployments.

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