GLM 5 vs GLM 5.3 FlashX
Lower and Larger mark one number at a time; they don’t rank the models. How well a model does depends on your task; see Benchmarks for measured results.
| Detail | GLM 5zai/glm-5 | GLM 5.3 FlashXzai/glm-5.3-flashx |
|---|---|---|
| Maker | zai | zai |
| Kind | Chat | Chat |
| Input per 1M tokens | $1.05 | $0.3885 Lower |
| Cached input per 1M tokens | Not applicable | $0.07875 |
| Cache write per 1M tokens | Not applicable | Same as input |
| Output per 1M tokens | $3.36 | $1.3125 Lower |
| Context window | 202,800 tokens | 1,000,000 tokens Larger |
| Max output | 131,100 tokens Larger | 131,072 tokens |
| Capabilities | Reasoning, tool use | Reasoning, tool use, vision |
| Takes | Text | Text, image |
| Returns | Text | Text |
| Zero data retention | Not on every provider | Not on every provider |
| No training on requests | Not on every provider | Not on every provider |
| Released | 2026-02-12 | 2026-09-18 |
Example costs
Example requests, priced at today’s rates with no cached input.
| Example request | GLM 5 | GLM 5.3 FlashX |
|---|---|---|
| 1,000 tokens in, 200 out | $0.001722 | $0.000651 |
| 10,000 tokens in, 1,000 out | $0.01386 | $0.005198 |
| 100,000 tokens in, 4,000 out | $0.11844 | $0.0441 |