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DeepSeek: DeepSeek V3.1 API Pricing

DeepSeek: DeepSeek V3.1 is an API model from deepseek. It costs $0.25 per 1M input tokens and $0.95 per 1M output tokens, with cached input at $0.13. Its context window is 163,840 tokens with up to 32,768 output tokens. A workload of 10M input + 2M output tokens costs about $4.4 per month.

Input

$0.25

per 1M tokens

Output

$0.95

per 1M tokens

Cached input

$0.13

per 1M tokens

Context window

163K

163,840 tokens

Blended (80/20)

$0.39

per 1M tokens

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
DeepSeek: DeepSeek V4 Pro 0423 — $0.3835 in / $0.767 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

Where to run DeepSeek: DeepSeek V3.1

AI/ML API: one API key for 400+ models, including most models tracked here · Novita AI: pay-as-you-go APIs for open models (DeepSeek, Qwen, Llama and more) plus GPU cloud. Prices there follow each platform's own catalog and can differ from the list prices tracked here.

Run it on AI/ML API →Run it on Novita AI →

Disclosure: links to these platforms may be affiliate links — if you sign up or buy through them, LLMPrices may earn a commission at no extra cost to you.

Compare DeepSeek: DeepSeek V3.1 with other models

DeepSeek: DeepSeek V3.1 vs DeepSeek: DeepSeek V4.1 FlashDeepSeek: DeepSeek V3.1 vs DeepSeek: DeepSeek V4 Flash 0731DeepSeek: 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 V3.2 ExpDeepSeek: DeepSeek V3.1 vs DeepSeek: DeepSeek V3.2

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 22, 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), DeepSeek: DeepSeek V4 Pro 0423 ($0.3835 in / $0.767 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. 21 free models are listed on the free models page.

Provider: deepseek · Model ID: deepseek/deepseek-chat-v3.1 · Modality: text->text · Price snapshot October 22, 2026, refreshed daily. How we collect prices