Is Seed Character or GLM-5.3-Flash cheaper?

Seed Character is cheaper on output tokens ($0.30 vs $0.42 per 1M).

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

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

Seed Character vs GLM-5.3-Flash

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

Spec	Seed Character	GLM-5.3-Flash
Provider	Volcengine Ark	Volcengine Ark
Input / 1M tokens	$0.12	$0.12
Output / 1M tokens	$0.30	$0.42
Context window	256K	1M
Parameters	—	—
Open weights	No	Yes
Released	Jun 2026	Aug 2026

Seed Character details →GLM-5.3-Flash details →

FAQ

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