Gemini 3.8 Flash vs GLM-5.3: scores, price and which to pick

Add a model

Our take

Gemini 3.8 Flash wins 3 of 4 categories and costs less: 1.4× cheaper for everyday text work. Easy pick.

Overall71Best61

Coding6668Best

Writing80Best70

Support78Best67

Value66Best54

Input / 1M$0.75Best$1.40

Output / 1M$3.75Best$4.40

Blended / 1M$1.50Best$2.15

Context window1MBest1M

Open weightsNoYes

Released2 Sept 202614 Aug 2026

Your monthly bill

Tasks per month50k

Gemini 3.8 Flash$300Cheapest

GLM-5.3$430

List prices, a quarter of the tokens as output. Scores are provisional, from Arena and Epoch AI.