GLM 5 vs Opus 4.8

GLM 5 vs Opus 4.8 compared on intelligence, speed, and cost. Try both models on Zo, the always-on AI computer that does real work for you.

Intelligence

Opus 4.8 is smarter
vs

Speed

Tie
Standard
vs
Standard

Cost

GLM 5 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

203k tokens
Context
1M tokens
Knowledge
Jan 2026
Feb 2026
Released
May 2026
$1.00/1M
Input
$5.00/1M
$3.20/1M
Output
$25.00/1M

Both GLM 5 and Opus 4.8 are available on Zo Computer. Try them both to see which one works best for your use case.

GLM 5 vs Opus 4.8 | Zo Computer