FAST & FRUGAL · Z.ai
GLM 4.5 Air
GLM 4.5 Air is a reasoning, tool-using model from Z.ai in the GLM family, living in Silvergrass Fields (fast & frugal). It reads text and writes text, with a 131K-token context window and up to 98K tokens of output. On OpenRouter it costs $0.130 per million input tokens and $0.850 per million output tokens.
See GLM 4.5 Air in 3DOpen in the WorktableView on OpenRouter
Specifications
- Provider
- Z.ai
- Family
- GLM
- Province
- Silvergrass Fields
- Context window
- 131K tokens
- Maximum output
- 98K tokens
- Input / 1M tokens
- $0.130
- Output / 1M tokens
- $0.850
- Accepts
- text
- Produces
- text
- Reasoning
- Yes
- Tool use
- Yes
- Added to OpenRouter
- 2025-07-25
- Model ID
z-ai/glm-4.5-air- Price history
- —All recorded prices
From the 2026-10-24 catalog snapshot. Prices are US dollars per million tokens.