Z.ai
GLM 5.3 FlashX API pricing.
GLM 5.3 FlashX is Z.ai’s model on the API market, released 18 Sept 2026. Prices are per million tokens in USD, as last read from the price list.
$0.37Input / 1M
$1.25Output / 1M
1.0MContext
131KMax output
Specification
USD per million tokens- Provider
- Z.ai
- Model id
z-ai/glm-5.3-flashx- Input
- $0.37
- Output
- $1.25
- Cached input
- $0.075
- Context window
- 1.0M tokens
- Maximum output
- 131K tokens
- Takes
- text, image, video
- Returns
- text
- Tool use
- Yes
- Reasoning
- Yes
- Released
- 18 Sept 2026
- First tracked
- 19 Sept 2026
At $0.37 per million input tokens, GLM 5.3 FlashX is dearer than 157 of the 327 models on the price list.
Price changes
Tracked since 17 Sept 2026No price change has been recorded since tracking began on 17 Sept 2026. Prices are checked every six hours, and any change is listed here and on model changes.
More from Z.ai
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- GLM 5.3 Flash$0.090 in · $0.30 out
- GLM 4.5 Air$0.13 in · $0.85 out
- GLM 4.6V$0.30 in · $0.90 out
- GLM 4.7$0.40 in · $1.75 out
- GLM 4.6$0.43 in · $1.75 out
- GLM 5.2$0.55 in · $1.74 out
- GLM 5$0.60 in · $1.92 out
Prices and specifications come from OpenRouter’s catalogue, last read 19 Sept 2026. A provider’s own price may differ; how this is collected.