Compare two models
Select any two models. Input, output, cached, and context rarely move together — the cheaper model on one line isn't always the cheaper one on the next.
Description
GLM 5.3 Prime is Z.ai's high-throughput variant of GLM 5.3, delivering 1.5–2× faster output generation while retaining full model capabilities and 1M-token context.
OpenAI's frontier model for complex professional workloads. 1M token context, text + image input, native computer use.
I/O price /1M
$2.80/$8.80
$5.00/$30.00
Input /1M
$2.80
$5.00
Output /1M
$8.80
$30.00
Cached in /1M
$0.56
$0.5
Context
1M
1M
Δ input since launch
—
—
Δ output since launch
—
—
Released
Sep 2026
Apr 2026
Status
—
—
Provider
Z
Z.ai
OpenAI