Model MenuGet the Friday letter

Gemini 4 Argon vs GLM-5.3

Gemini 4 ArgonGoogle
GLM-5.3Z.ai
Our take

Gemini 4 Argon wins 4 of 4 categories, but GLM-5.3 is 1.9× cheaper for everyday text work. Pick Gemini 4 Argon when quality matters most, GLM-5.3 at volume.

Overall96Best61
Coding84Best68
Writing95Best70
Support97Best67
Value86Best54
Input / 1M$2.00$1.40Best
Output / 1M$10.00$4.40Best
Blended / 1M$4.00$2.15Best
Context window1MBest1M
Open weightsNoYes
Released13 Oct 202614 Aug 2026

Your monthly bill

50k
Gemini 4 Argon$800
GLM-5.3$430Cheapest
List prices, a quarter of the tokens as output. Scores are provisional, from Arena and Epoch AI.