Z.AI
GLM 5.3 Thinking
Flagship GLM model for long-horizon coding, agents, and complex project delivery
Model facts
- Context window
- 1.05M tokens
- Maximum output
- 131K tokens
- Cheapest paid input
- $1 per 1M tokens
- Cheapest paid output
- $3.2 per 1M tokens
- Open weights
- yes
- Providers
- 1
Capabilities and modalities
reasoning, tool calling, structured output, temperature control, open weights, text.
Observed price history
- 2026-08-30: $1 input / $3.2 output per 1M tokens
API providers
- NanoGPT — model id z-ai/glm-5.3:thinking; $1 input / $3.2 output per 1M tokens; provider documentation