Model specification · Z.AI
GLM 5.3
z-ai/glm-5.3
GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...
SpecificationsReported values
- Context window
- 1.3M
- Maximum output
- 131K
- Architecture
- text->text
- Tokenizer
- Other
- Knowledge cutoff
- —
- Moderated
- No
- Input modalities
- text
- Output modalities
- text
Full pricingUSD where reported
| Price | Standard |
|---|---|
| Input | $0.910 / M |
| Output | $2.86 / M |
Benchmark indexesReported indexes
- Intelligence
- 44.9
- Coding
- 74.8
- Agentic
- 53.4
- Design Arena Elo
- 1297
Example workload costsStandard pricing only
| Workload | Input / output | Cache share | Estimated cost |
|---|---|---|---|
| Quick check | 10K / 1K × 1 | 0% | $0.012 |
| Long analysis | 100K / 4K × 1 | 50% | $0.065 |
| Workday | 20K / 2K × 1,000 | 30% | $19.47 |
More from Z.AIAll Z.AI models
| Model | Context | Input / M | Output / M | Intel. |
|---|---|---|---|---|
| GLM 5.3 Flash | 1.3M | $0.090 | $0.300 | 41.9 |
| GLM 5.2 | 1.0M | $0.554 | $1.74 | 34 |
| GLM 5.1 | 205K | $0.966 | $3.04 | 26.4 |