Conversation / Quote
GLM-5.1 API Price
Zhipu BigModel · glm-5.1
| Billing | CNY · 1M tokens |
|---|---|
| Context Window | 200K tokens |
| Max Output | 128K tokens |
| Modalities | Text |
| Deep Thinking | Supported |
| Verified Date | 2026-09-07 |
| Official pricing page | docs.bigmodel.cn/cn/guide/start/pricing.md ↗ |
Source text: the note below is the model's official text, kept in its original Chinese and not translated.
744B 长程任务旗舰,Coding 对齐 Claude Opus 4.6,可自主工作 8 hour;输入>32K 档 8/28(缓存命中 2);缓存存储限时免费;支持多种思考模式。
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Monthly Cost Estimate
30 days · no cache hits · list price
Free quotas, tiered pricing, batch discounts, and time-based pricing are not included; refer to official bills.
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FAQ
How much does the GLM-5.1 API cost?
Input ¥6/1M tokens, output ¥24/1M tokens
How large is the GLM-5.1 context window?
200K tokens, up to 128K tokens of output. Handles long documents, multi-turn conversations and large-scale inputs.
Which input modalities does GLM-5.1 support?
Text. Supports deep thinking / reasoning.
What is the approximate monthly cost of GLM-5.1?
Depends on volume: light use (1M input + 300K output per day) ≈ ¥396/month; medium (5M + 1.5M) ≈ ¥1,980/month; heavy agents (10M + 3M) ≈ ¥3,960/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does GLM-5.1 compare with peers on value?
Zhipu BigModel GLM-5.1 is competitively priced among comparable models; compare against similar models. See the Pricemon market table for a full comparison.
What use cases suit GLM-5.1?
Suited to applications in its domain.The long context supports deep-analysis scenarios.
Does GLM-5.1 have a free tier?
Check Zhipu BigModel's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.