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Models / DeepSeek

DeepSeek V4.1 Flash

$0.3/Mtok in

DeepSeek's cheapest current model, a million-token window at flash rates.

Playground

Try it in the browser

Playground$0.3 in / $1.2 out per 1M tokens

Facts

At a glance

Availability

Live

Pricing

$0.3 / M input · $1.2 / M output

Endpoint

Chat Completions

/v1/chat/completions

Context window

1,000k tokens

API

Call it from code

import OpenAI from "openai"

const client = new OpenAI({
  baseURL: "https://api.companyfabric.com/v1",
  apiKey: process.env.COMPANYFABRIC_API_KEY,
})

const res = await client.chat.completions.create({
  model: "deepseek/deepseek-v4-1-flash",
  max_tokens: 1024,
  temperature: 0.7,
  messages: [{ role: "user", content: "Say hello from the fabric." }],
})

console.log(res.choices[0].message.content)

FAQ

Frequently asked questions

How much does DeepSeek V4.1 Flash cost?

$0.3 / M input · $1.2 / M output. The exact cost of each call is shown before you run it and metered to your prepaid balance, no subscription required.

Why use DeepSeek V4.1 Flash on CompanyFabric instead of going direct?

One key and one balance across every model in the library, at pricing at parity with or below the direct API. Switching models is a one-line change.

Is DeepSeek V4.1 Flash available through the OpenAI SDK?

Yes, point any OpenAI SDK at api.companyfabric.com/v1 and set model to "deepseek/deepseek-v4-1-flash".

Variants

Same family

DeepSeek V4

Retired

DeepSeek

Open-weight frontier-adjacent reasoning at commodity prices.

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DeepSeek V4 Pro

Retiring

DeepSeek

Retired by DeepSeek on 14 Sep 2026. Requests are served by V4.1 Flash from then, and billed at Flash's rate.

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DeepSeek V4 Flash

Retired

DeepSeek

The V4 family's speed tier, near-V4 quality on everyday calls at the lowest price in the family.

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One key. Every model. Exact prices.

Run DeepSeek V4.1 Flash with free starter credits. Free starter credits included, no subscription required.

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