Gemini 3.1 Pro vs GLM 5.3 Flash

Gemini 3.1 Pro vs GLM 5.3 Flash compared on intelligence, speed, and cost. Try both models on Zo, the always-on AI computer that does real work for you.

Intelligence

Gemini 3.1 Pro is smarter
vs

Speed

Tie
vs

Cost

GLM 5.3 Flash is cheaper
vs

How to read this

Intelligence comes from SWE-bench Verified, the coding benchmark used by the model picker. Speed means the model is fast enough for the picker threshold. Cost shows the relative tier across Zo models: green is cheaper, amber is pricier.

Model details

1M tokens
Context
1M tokens
Jan 2025
Knowledge
Nov 2025
Released
Aug 2026
$2.00/1M
Input
$0.15/1M
$12.00/1M
Output
$0.50/1M

Both Gemini 3.1 Pro and GLM 5.3 Flash are available on Zo Computer. Try them both to see which one works best for your use case.