Playground
Try it in the browser
Facts
At a glance
Availability
Live
Pricing
$1.25 / M input · $2.5 / 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: "xai/grok-4-3",
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 Grok 4.3 cost?
$1.25 / M input · $2.5 / 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 Grok 4.3 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 Grok 4.3 available through the OpenAI SDK?
Yes — point any OpenAI SDK at api.companyfabric.com/v1 and set model to "xai/grok-4-3".
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One key. Every model. Exact prices.
Run Grok 4.3 with free starter credits. Free starter credits included — no subscription required.