Is GLM 4.6V FlashX or GPT-5.2-Pro cheaper?

GLM 4.6V FlashX is cheaper on output tokens ($0.21 vs $168.00 per 1M).

Which has the larger context window, GLM 4.6V FlashX or GPT-5.2-Pro?

GPT-5.2-Pro has the larger context window (400K tokens).

GLM 4.6V FlashX vs GPT-5.2-Pro

GLM 4.6V FlashX is cheaper on output tokens, while GPT-5.2-Pro offers a larger context window. Choose GLM 4.6V FlashX or GPT-5.2-Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM 4.6V FlashX	GPT-5.2-Pro
Provider	ZenMux	ZenMux
Input / 1M tokens	$0.02	$21.00
Output / 1M tokens	$0.21	$168.00
Context window	200K	400K
Parameters	—	—
Open weights	No	No
Released	Dec 2025	Dec 2025

GLM 4.6V FlashX details →GPT-5.2-Pro details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.