DeepSeek V4
$0.3/Mtok inOpen-weight frontier-adjacent reasoning at commodity prices.
Playground
Try it in the browser
Facts
At a glance
Availability
Live
Pricing
$0.3 / M input · $0.9 / M output
Endpoint
Chat Completions
/v1/chat/completions
Context window
128k 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",
max_tokens: 1024,
temperature: 0.7,
messages: [{ role: "user", content: "Say hello from the fabric." }],
})
console.log(res.choices[0].message.content)Prompt library
Example runs
Solve and explain: a train leaves at…
This exact run cost $0.001
FAQ
Frequently asked questions
How much does DeepSeek V4 cost?
$0.3 / M input · $0.9 / 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 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 available through the OpenAI SDK?
Yes — point any OpenAI SDK at api.companyfabric.com/v1 and set model to "deepseek/deepseek-v4".
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One key. Every model. Exact prices.
Run DeepSeek V4 with free starter credits. Free starter credits included — no subscription required.