Zhipu vs OpenAI API pricing
Checked against the official price pages on 2026-10-12
In short
At 100M input and 20M output tokens a month, the cheapest model from each is GLM-5.3-Flash (about ¥136 a month) and gpt-6-luna (about ¥135 a month). OpenAI's entry model is cheaper; Zhipu's costs about 1.0 times as much.
The most expensive from each is GLM-5.3 (about ¥1,360 a month) and gpt-6-astra (about ¥13,466 a month). Price says nothing about whether the models are equally capable; weigh it with benchmarks and context length.
For your own usage: API cost calculator
All models
Prices are per million tokens: ¥ is CNY, $ is USD; time-of-day pricing is written peak / off-peak. Monthly cost is in CNY and assumes 100M input and 20M output tokens a month, no cache hits and half of calls at peak hours where that applies, cheapest first. Models priced in USD are converted at 1 USD = 6.733 CNY (PBoC central parity, 2026-10-09).
| Model | Input | Cache hit | Output | Monthly (CNY) |
|---|---|---|---|---|
| OpenAIgpt-6-luna | $0.1 | $0.01 | $0.5 | 135 |
| ZhipuGLM-5.3-Flash | ¥0.8 | ¥0.23 | ¥2.8 | 136 |
| ZhipuGLM-5.3 | ¥8 | ¥2 | ¥28 | 1,360 |
| OpenAIgpt-6.1-sol | $2 | $0.1 | $10 | 2,693 |
| OpenAIgpt-6-astra | $10 | $1 | $50 | 13,466 |
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