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Kimi K3 vs Gemma 4 31B IT

Kimi K3Moonshot AI
Gemma 4 31B ITGoogle
Our take

Kimi K3 wins 4 of 4 categories, but Gemma 4 31B IT is 24.0× cheaper for everyday text work. Pick Kimi K3 when quality matters most, Gemma 4 31B IT at volume.

Overall65Best28
Coding74Best30
Writing69Best50
Support73Best51
Value52Best32
Input / 1M$3.00$0.20Best
Output / 1M$15.00$0.40Best
Blended / 1M$6.00$0.25Best
Context window1MBest262K
Open weightsYesYes
Released16 Jul 20262 Apr 2026

Your monthly bill

50k
Kimi K3$1.2k
Gemma 4 31B IT$50.00Cheapest
List prices, a quarter of the tokens as output. Scores are provisional, from Arena and Epoch AI.