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Z.ai: GLM 5.3 FlashX

🇨🇳 Z.ai (Zhipu) · GLM 5.3

Input Price $0.370 per million tokens NT$11.8
Output Price $1.25 per million tokens NT$40.0
Context Window 1.05M tokens Output limit: 131K
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Overview

Z.ai: GLM 5.3 FlashX is a large language model API from Z.ai (Zhipu), part of its GLM 5.3 model family. Priced at $0.370 per million input tokens and $1.25 per million output tokens, it occupies the mid-range, balancing capability against running cost. Output tokens cost about 3× as much as input, so prompt-heavy workloads run noticeably cheaper than generation-heavy ones. An exceptionally large 1.05M-token context window (≈1,573 pages of text) means entire repositories or document collections can be processed without chunking. Beyond plain text it also accepts Image, Video input, so it can be applied to multimodal tasks rather than text alone. All prices on this page reflect OpenRouter's routed rates and are re-synced automatically every day; confirm against the provider's official pricing before committing to production.

Dimension Unit Price (USD) Price (TWD) Effective From
Input per 1M tokens $0.370 NT$11.8
Output per 1M tokens $1.25 NT$40.0
Cached Input per 1M tokens $0.075 NT$2.4

Provider
Z.ai（智譜） (Z.ai (Zhipu))
Model Family
GLM 5.3
Version String
z-ai/glm-5.3-flashx
Status
Active
Modality
Text, Image, Video
Context Window
1,048,576 tokens
Output Limit
131,072 tokens

90-Day Price Trend

Input / Output price (USD per 1M tokens)

Past 90 days of records; every price change is shown here

Date Dimension Price (USD) Source
Cached Input $0.075 OpenRouter
Output $1.25 OpenRouter
Input $0.370 OpenRouter
Cached Input $0.075 OpenRouter
Output $1.25 OpenRouter
Input $0.370 OpenRouter
Cached Input $0.075 OpenRouter
Output $1.25 OpenRouter
Input $0.370 OpenRouter
Cached Input $0.075 OpenRouter
Output $1.25 OpenRouter
Input $0.370 OpenRouter

Key Insights

Key data points from this page for quick reference and citation.

  • Z.ai: GLM 5.3 FlashX Input price: $0.37/M tokens
  • Z.ai: GLM 5.3 FlashX Output price: $1.25/M tokens
  • Context window: 1,048,576 tokens
  • Provider: Z.ai (Zhipu)
  • Model family: GLM 5.3
  • Modalities: Text, Image, Video
  • Data source: OpenRouter, updated daily