Conversation / Quote
DeepSeek-V3.1(Legacy) API Price
DeepSeek · deepseek-v3.1
| Billing | CNY · 1M tokens |
|---|---|
| Context Window | 131K tokens |
| Max Output | 66K tokens |
| Modalities | Text |
| Deep Thinking | Supported |
| Verified Date | 2026-09-10 |
| Official pricing page | help.aliyun.com/zh/model-studio/deepseek-v3-1 ↗ |
Source text: the note below is the model's official text, kept in its original Chinese and not translated.
2025-08 发布的 V3 中期升级(671B MoE,支持思考/非思考混合模式);官方 API 已下线(现为 V4 时代),由Alibaba Bailian/硅基流动托管 4/12(缓存命中 0.8;官方标注批量推理不支持,故无 Batch 半价);最大输入 98304、最大输出 65536。
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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.
DeepSeek Related Models
- DeepSeek-V4.1-Flash ¥2 / ¥8
- DeepSeek-V4-Flash(legacy id, discontinued) ¥2 / ¥8
- DeepSeek-V4-Flash(v0731) ¥3 / ¥9
- DeepSeek-V4-Flash-Vision-Exp(Discontinued) ¥2 / ¥8
- DeepSeek-V4-Pro ¥9 / ¥27
- DeepSeek-R1(Legacy) ¥4 / ¥16
- DeepSeek-R1-0528(Legacy) ¥4 / ¥16
- DeepSeek-V3(Legacy) ¥2 / ¥8
- DeepSeek-V3-0324(Legacy/Open-source) ¥2 / ¥8
- DeepSeek-V3.2(Legacy) ¥2 / ¥3
- DeepSeek-R1-Distill-Qwen-7B(Open-source) ¥0.5 / ¥1
- DeepSeek-R1-Distill-Qwen-14B(Open-source) ¥1 / ¥3
- DeepSeek-R1-Distill-Qwen-32B(Open-source) ¥2 / ¥6
- DeepSeek-R1-Distill-Llama-70B(Open-source) Free
- DeepSeek-V4-Pro(v0813) ¥9 / ¥27
- DeepSeek-OCR(open-source hosted) ¥0.216 / ¥0.216
FAQ
How much does the DeepSeek-V3.1(Legacy) API cost?
Input ¥4/1M tokens, output ¥12/1M tokens
How large is the DeepSeek-V3.1(Legacy) context window?
131K tokens, up to 66K tokens of output. Handles long documents, multi-turn conversations and large-scale inputs.
Which input modalities does DeepSeek-V3.1(Legacy) support?
Text. Supports deep thinking / reasoning.
What is the approximate monthly cost of DeepSeek-V3.1(Legacy)?
Depends on volume: light use (1M input + 300K output per day) ≈ ¥228/month; medium (5M + 1.5M) ≈ ¥1,140/month; heavy agents (10M + 3M) ≈ ¥2,280/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does DeepSeek-V3.1(Legacy) compare with peers on value?
DeepSeek DeepSeek-V3.1(Legacy) is priced low among comparable models; compare against similar models. See the Pricemon market table for a full comparison.
What use cases suit DeepSeek-V3.1(Legacy)?
Suited to applications in its domain.The long context supports deep-analysis scenarios.
Does DeepSeek-V3.1(Legacy) have a free tier?
Check DeepSeek's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.