LONG MEMORY · Z.ai
GLM 5.3 Flash
GLM 5.3 Flash is a reasoning, tool-using model from Z.ai in the GLM family, living in Snow Country (long memory). It reads text, images and video and writes text, with a 1.05M-token context window and up to 944K tokens of output. On OpenRouter it costs $0.150 per million input tokens and $0.500 per million output tokens.
See GLM 5.3 Flash in 3DOpen in the WorktableView on OpenRouter
Specifications
- Provider
- Z.ai
- Family
- GLM
- Province
- Snow Country
- Context window
- 1.05M tokens
- Maximum output
- 944K tokens
- Input / 1M tokens
- $0.150
- Output / 1M tokens
- $0.500
- Accepts
- text, images, video
- Produces
- text
- Reasoning
- Yes
- Tool use
- Yes
- Added to OpenRouter
- 2026-08-26
- Model ID
z-ai/glm-5.3-flash- Price history
- —All recorded prices
From the 2026-10-24 catalog snapshot. Prices are US dollars per million tokens.