Is GLM 5.3 Flash or Seed 1.6 Flash cheaper?

Seed 1.6 Flash is cheaper on output tokens ($0.41 vs $0.65 per 1M).

Which has the larger context window, GLM 5.3 Flash or Seed 1.6 Flash?

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

GLM 5.3 Flash vs Seed 1.6 Flash

Seed 1.6 Flash is cheaper on output tokens, while GLM 5.3 Flash offers a larger context window. Choose GLM 5.3 Flash or Seed 1.6 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM 5.3 Flash	Seed 1.6 Flash
Provider	AI/ML API	AI/ML API
Input / 1M tokens	$0.20	$0.10
Output / 1M tokens	$0.65	$0.41
Context window	1M	262K
Parameters	—	—
Open weights	Yes	No
Released	Aug 2026	Aug 2025

GLM 5.3 Flash details →Seed 1.6 Flash details →

FAQ

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