Model comparison
GLM-5.3 vs GLM-5.2
Z.ai (Zhipu / GLM)GLM-5.3
- Input
- $1.40
- Output
- $4.40
- Context
- 1M
- Released
- 2026-08-14
- Input
- $1.40
- Output
- $4.40
- Context
- 1M
- Released
- 2026-06-16
Short answer
Both charge the same $1.4 per 1M input tokens.
Specs and pricing side by side
| Spec | GLM-5.3 | GLM-5.2 |
|---|---|---|
| Maker | Z.ai (Zhipu / GLM) | Z.ai (Zhipu / GLM)same |
| Released | 2026-08-14 | 2026-06-16 |
| Context window | 1M | 1Msame |
| Max output | 128K | 128Ksame |
| Input price | $1.40 | $1.40same |
| Output price | $4.40 | $4.40same |
| Parameters | Same base model as GLM-5.2 (744B total · 40B active) | 744B total · 40B active |
| License | GLM-5.3 License — a permissive, MIT-style grant to use, modify, distribute and fine-tune the weights, with one condition: a licensee running a Model-as-a-Service business whose aggregate revenue exceeds US$10 billion over any consecutive 12 months must pass a Z.ai security review before any commercial use | MIT |
| Weights | Open weights | Open weightssame |
| Modalities | Text | Textsame |
Not published by either maker: knowledge cutoff.
Benchmarks both models report
These two models have no benchmark in common in our registry, so there is no like-for-like score to compare. See each model’s own results: GLM-5.3, GLM-5.2.
Which one should you pick?
Pick GLM-5.3 if…
- Your use case is: long-horizon coding agents that must stay productive across hundreds of files and interdependent systems.
Pick GLM-5.2 if…
- Your use case is: long-horizon, project-scale coding agents over large repositories.
FAQ
Which is better, GLM-5.3 or GLM-5.2?
Both charge the same $1.4 per 1M input tokens. The better pick depends on whether you value benchmark scores, price per token, context length or openness for your workload.
How do GLM-5.3 and GLM-5.2 pricing compare?
GLM-5.3: $1.40 input, $4.40 output. GLM-5.2: $1.40 input, $4.40 output (list API prices as published by each maker).
What are the context windows of GLM-5.3 and GLM-5.2?
GLM-5.3 offers 1M with up to 128K output; GLM-5.2 offers 1M with up to 128K output.
Is GLM-5.3 newer than GLM-5.2?
GLM-5.3 was released 2026-08-14; GLM-5.2 was released 2026-06-16.