DeepSeekPaidOperational

DeepSeek Chat V3.1

API model name: deepseek-chat-v3.1

DeepSeek Chat V3.1 is DeepSeek's chat model, served on the Api.Airforce unified API. Capabilities include Tool calling. It is priced at $0.28 per million input tokens and $1.05 per million output tokens. That is below the provider's $0.25 official input rate. Access it through the OpenAI-compatible API with one key, alongside 100+ other models on Api.Airforce.

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Pricing

Input / 1M tokens

$0.28

Output / 1M tokens

$1.05

Cache read / 1M tokens

$0.15

Cache write / 1M tokens

$0.35

Official input rate

$0.25

Official output rate

$0.95

Api.Airforce price vs. the provider's official rate.

Specifications

Provider: DeepSeek
Type: chat model

Capabilities

Tool calling

What is DeepSeek Chat V3.1 used for?

Chatbots & assistants — conversational AI, drafting, summarizing and Q&A.
Agents & automation — function calling and tool use for multi-step workflows.

DeepSeek Chat V3.1 vs. similar models

Model	Intelligence	Context	Input / 1M	Output / 1M
DeepSeek Chat V3.1	—	—	$0.28	$1.05
DeepSeek	—	—	$0.33	$0.66
DeepSeek Chat	—	—	$0.26	$1.03
DeepSeek Chat V3	—	—	$0.32	$1.26

Prices are Api.Airforce pay-as-you-go rates per 1M tokens. Context is the maximum input length.

Related models

DeepSeekDeepSeek · $0.33 / 1M DeepSeek ChatDeepSeek · $0.26 / 1M DeepSeek Chat V3DeepSeek · $0.32 / 1M DeepSeek OCRDeepSeek · $0.07 / 1M DeepSeek R1DeepSeek · $1.41 / 1M DeepSeek R1DeepSeek · $1.85 / 1M DeepSeek R1DeepSeek · $1.32 / 1M DeepSeek ReasonerDeepSeek · $0.25 / 1M DeepSeek V3DeepSeek · $0.36 / 1M DeepSeek V3.1 ThinkDeepSeek · $0.59 / 1M DeepSeek V3DeepSeek · $0.32 / 1M DeepSeek V3.1DeepSeek · $1.41 / 1M

DeepSeek Chat V3.1 — frequently asked questions

How much does DeepSeek Chat V3.1 cost?: DeepSeek Chat V3.1 is billed pay-as-you-go at $0.28 per 1M input tokens and $1.05 per 1M output tokens. There is no subscription — you only pay for what you use.
What can DeepSeek Chat V3.1 do?: DeepSeek Chat V3.1 supports Tool calling.
Is DeepSeek Chat V3.1 free to use?: DeepSeek Chat V3.1 is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
How do I use DeepSeek Chat V3.1 via the API?: DeepSeek Chat V3.1 is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID deepseek-chat-v3.1 with your Api.Airforce API key.
Who makes DeepSeek Chat V3.1?: DeepSeek Chat V3.1 is DeepSeek's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

All models·Quickstart·Chat API reference

Use DeepSeek Chat V3.1 via the API

OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass deepseek-chat-v3.1 as the model.

cURL

curl https://api.airforce/v1/chat/completions \
  -H "Authorization: Bearer $AIRFORCE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-chat-v3.1",
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'

Python

from openai import OpenAI
client = OpenAI(base_url="https://api.airforce/v1", api_key="$AIRFORCE_API_KEY")
r = client.chat.completions.create(
    model="deepseek-chat-v3.1",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(r.choices[0].message.content)

JavaScript

import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://api.airforce/v1", apiKey: process.env.AIRFORCE_API_KEY });
const r = await client.chat.completions.create({
  model: "deepseek-chat-v3.1",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);