GLM 5.3 Prime
GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration. It supports text input and output with a 1M-token...
The figures
- Made by
- Z.ai
- Model ID
- z-ai/glm-5.3-prime
- Input
- $2.8 per million tokens
- Output
- $8.8 per million tokens
- Context window
- 1M tokens
- Longest answer
- 131K tokens
- Takes in
- text
- Gives back
- text
- Reasoning
- Yes
- Tool calling
- Yes
- Reads images
- No
- Open weights
- No
- Released
- 23 Sept 2026
Read on 3 Oct 2026.