Is GLM-4.5 or Doubao 1.5 Vision Pro 32k cheaper?

GLM-4.5 and Doubao 1.5 Vision Pro 32k have comparable output pricing.

Which has the larger context window, GLM-4.5 or Doubao 1.5 Vision Pro 32k?

Doubao 1.5 Vision Pro 32k has the larger context window (32K tokens).

GLM-4.5 vs Doubao 1.5 Vision Pro 32k

Both have similar output pricing, while Doubao 1.5 Vision Pro 32k offers a larger context window. Choose GLM-4.5 or Doubao 1.5 Vision Pro 32k based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM-4.5	Doubao 1.5 Vision Pro 32k
Provider	Z.ai (Zhipu AI),Tsinghua University	NanoGPT
Input / 1M tokens	—	$0.46
Output / 1M tokens	—	$1.38
Context window	—	32K
Parameters	355B	—
Open weights	Yes	No
Released	Aug 2025	Jan 2025

GLM-4.5 details →Doubao 1.5 Vision Pro 32k details →

FAQ

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