Is GLM 5.3 FlashX or Grok Code Fast 1 cheaper?

GLM 5.3 FlashX is cheaper on output tokens ($1.25 vs $1.50 per 1M).

Which has the larger context window, GLM 5.3 FlashX or Grok Code Fast 1?

GLM 5.3 FlashX has the larger context window (1M tokens).

GLM 5.3 FlashX vs Grok Code Fast 1

GLM 5.3 FlashX is cheaper on output tokens, while GLM 5.3 FlashX offers a larger context window. Choose GLM 5.3 FlashX or Grok Code Fast 1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM 5.3 FlashX	Grok Code Fast 1
Provider	ZenMux	ZenMux
Input / 1M tokens	$0.38	$0.20
Output / 1M tokens	$1.25	$1.50
Context window	1M	256K
Parameters	—	—
Open weights	Yes	No
Released	Aug 2026	Aug 2025

GLM 5.3 FlashX details →Grok Code Fast 1 details →

FAQ

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