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DeepSeek: DeepSeek V3.1 API Pricing
DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...
How much does DeepSeek: DeepSeek V3.1 cost for a real workload?
At 10M input + 2M output tokens per month, DeepSeek: DeepSeek V3.1 costs about $4.4 ($2.5 input + $1.9 output). Try your own volumes in the cost calculator.
What are cheaper alternatives to DeepSeek: DeepSeek V3.1?
- Qwen: Qwen3 Next 80B A3B Instruct — $0.09 in / $1.1 out per 1M
- Qwen: Qwen3 Coder Flash — $0.195 in / $0.975 out per 1M
- Qwen: Qwen3.7 Plus (batch) — $0.23 in / $0.92 out per 1M
- Mancer: Weaver (alpha) — $0.4 in / $0.75 out per 1M
- Qwen: Qwen3.5-35B-A3B — $0.14 in / $1 out per 1M
- OpenAI: GPT-5 Mini (batch) — $0.125 in / $1 out per 1M
Compare DeepSeek: DeepSeek V3.1 with other models
DeepSeek: DeepSeek V3.1 vs DeepSeek: DeepSeek V4.1 Flash (batch)DeepSeek: DeepSeek V3.1 vs DeepSeek: DeepSeek V4 Flash 0423DeepSeek: DeepSeek V3.1 vs DeepSeek: DeepSeek V4.1 FlashDeepSeek: DeepSeek V3.1 vs DeepSeek: DeepSeek V3.2 ExpDeepSeek: DeepSeek V3.1 vs DeepSeek: DeepSeek V3.2DeepSeek: DeepSeek V3.1 vs DeepSeek: DeepSeek V4.1 Flash 1017
Frequently asked questions
How much does DeepSeek: DeepSeek V3.1 cost?
DeepSeek: DeepSeek V3.1 costs $0.25 per 1M input tokens and $0.95 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $4.4.
What is the context window of DeepSeek: DeepSeek V3.1?
DeepSeek: DeepSeek V3.1 has a context window of 163,840 tokens and can return up to 32,768 output tokens per response.
What are cheaper alternatives to DeepSeek: DeepSeek V3.1?
Cheaper models include Qwen: Qwen3 Next 80B A3B Instruct ($0.09 in / $1.1 out), Qwen: Qwen3 Coder Flash ($0.195 in / $0.975 out), Qwen: Qwen3.7 Plus (batch) ($0.23 in / $0.92 out). See the full list on this page.
Is DeepSeek: DeepSeek V3.1 free to use?
No. DeepSeek: DeepSeek V3.1 is a paid model at $0.25 input / $0.95 output per 1M tokens. 20 free models are listed on the free models page.
Provider: deepseek · Model ID: deepseek/deepseek-chat-v3.1 · Modality: text->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices