Z.ai: GLM 5.3
Z.ai: GLM 5.3 is a general-purpose chat-tuned model. Available via z-ai. 1,048,576-token context. Mid-tier pricing.
Z.ai: GLM 5.3 is a efficient AI model from z-ai. It costs $1.400 per million input tokens and $4.400 per million output tokens (blended $2.300/M), with a 1,048,576-token context window.
+28.2%over 28 days · hover to read
- Solid general chat performance
- Reasonable instruction following
- General chat
- Drafting and rewriting
- Personal productivity
Benchmarks
More from z-ai
See all 6 →Price history
4 recorded changes| Date | Rate | Was | Now | Change |
|---|---|---|---|---|
| 14 Sept 2026 | Output | $3.432 | $4.400 | +28% |
| 14 Sept 2026 | Input | $1.092 | $1.400 | +28% |
| 13 Sept 2026 | Output | $4.400 | $3.432 | -22% |
| 13 Sept 2026 | Input | $1.400 | $1.092 | -22% |
Rates per million tokens, as published by the provider or its router listing. Tracking runs since 3 May; anything earlier is not on record. See every tracked price change.
Frequently asked questions
How much does Z.ai: GLM 5.3 cost?
Z.ai: GLM 5.3 costs $1.400 per million input tokens and $4.400 per million output tokens, for a blended reference rate of $2.300 per million tokens.
What is Z.ai: GLM 5.3's context window?
Z.ai: GLM 5.3 supports up to 1,048,576 tokens of context in a single request.
What is Z.ai: GLM 5.3 best for?
Z.ai: GLM 5.3 is well suited to Solid general chat performance, Reasonable instruction following and General chat.
Who makes Z.ai: GLM 5.3?
Z.ai: GLM 5.3 is developed and served by z-ai.