Z.ai: GLM 5
Z.ai: GLM 5 is capable of handling text inputs within a vast context length of 204,800 tokens and supports tools and reasoning processes, making it suitable for complex tasks that require deep analysis. While it does not offer structured output or open weights, this model excels in versatile applications where detailed input modalities are crucial. This model is recommended for users who need robust text processing capabilities at a blended benchmark score of 76.7 across two independent benchmarks; however, its pricing of $0.95 per million input tokens and $2.55 per million output tokens may be a consideration for those on tighter budgets.
Benchmark results
Independent, published benchmarks. Blended score 76.7 across 2 benchmarks, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 66.9 |
| EQ-Bench | emotional understanding in dialogue | 75.0 |
- Model ID
- z-ai/glm-5
- Vendor
- z-ai
- Released
- February 2026
- Tokenizer
- Other
- Input Modalities
- text
- Output Modalities
- text
- Max Output
- 131,072 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- text only
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $0.95/M input and $2.55/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.03 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.60 |
| A month of a busy support chatbot | 5M in / 2M out | $9.85 |
Price & spec history
Tracked daily by PicksByModel since 2026-07-17.
| Date | Input /M | Output /M | Context |
|---|---|---|---|
| 2026-07-20 | $0.95 | $2.55 | 204,800 |
| 2026-07-17 | $0.95 | $3.15 | 202,752 |
Similar models
Z.ai: GLM 5.2
Z.ai: GLM 5.2 (batch)
Z.ai: GLM 4.6
Z.ai: GLM 4.7
Z.ai: GLM 5 Turbo
Z.ai: GLM 5.1
Quick answers
- How much does Z.ai: GLM 5 cost?
- $0.95 per million input tokens and $2.55 per million output tokens.
- What is Z.ai: GLM 5's context window?
- 204,800 tokens, roughly 307 pages of text in a single request.
- Does Z.ai: GLM 5 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Z.ai: GLM 5 process images?
- No, it is text-only on the input side.