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 is Z.ai's foundation model with a 198K-token context window, released in early 2026 as an intermediate step before the expanded-context GLM 5.1 and subsequent releases.
OpenAI's frontier model for complex professional workloads. 1M token context, text + image input, native computer use.
I/O price /1M
$1.00/$3.20
$5.00/$30.00
Input /1M
$1.00
$5.00
Output /1M
$3.20
$30.00
Cached in /1M
$0.2
$0.5
Context
202K
1M
Δ input since launch
increased 66.7%
—
Δ output since launch
increased 66.7%
—
Released
Feb 2026
Apr 2026
Status
—
—
Provider
Z
Z.ai
OpenAI