Z.AI
GLM 4.5 Air (Thinking)
Lighter GLM-4.5 variant for fast coding assistance and cheaper agents
Model facts
- Context window
- 128K tokens
- Maximum output
- 98K tokens
- Cheapest paid input
- $0.12 per 1M tokens
- Cheapest paid output
- $0.8 per 1M tokens
- Open weights
- yes
- Providers
- 1
Capabilities and modalities
reasoning, tool calling, structured output, temperature control, open weights, text.
Observed price history
- 2026-08-24: $0.12 input / $0.8 output per 1M tokens
API providers
- NanoGPT — model id z-ai/GLM-4.5-Air:thinking; $0.12 input / $0.8 output per 1M tokens; provider documentation