Is GLM 5.3 Flash or DeepSeek V3.1 cheaper?

GLM 5.3 Flash is cheaper on output tokens ($0.50 vs $1.50 per 1M).

Which has the larger context window, GLM 5.3 Flash or DeepSeek V3.1?

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

GLM 5.3 Flash vs DeepSeek V3.1

GLM 5.3 Flash is cheaper on output tokens, while GLM 5.3 Flash offers a larger context window. Choose GLM 5.3 Flash or DeepSeek V3.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM 5.3 Flash	DeepSeek V3.1
Provider	Baseten	Baseten
Input / 1M tokens	$0.15	$0.50
Output / 1M tokens	$0.50	$1.50
Context window	1M	164K
Parameters	—	—
Open weights	Yes	Yes
Released	Aug 2026	Aug 2025

GLM 5.3 Flash details →DeepSeek V3.1 details →

FAQ

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