Playground
Try it in the browser
Facts
At a glance
Availability
Live
Pricing
$10 / M input · $50 / M output
Endpoint
Chat Completions
/v1/chat/completions
Context window
1,050k 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: "openai/gpt-6-astra",
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
Here's our 40k-line service in one paste. Find the request path that can double-charge a card and show the exact lines.
This exact run cost $0.14
Summarize this 300-page contract and flag the three riskiest clauses for a buyer.
This exact run cost $0.05
Plan a database migration from Postgres to a sharded setup with zero downtime. Think it through at high effort.
This exact run cost $0.03
FAQ
Frequently asked questions
How much does GPT-6 Astra cost?
$10 / M input · $50 / 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 GPT-6 Astra 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 GPT-6 Astra available through the OpenAI SDK?
Yes, point any OpenAI SDK at api.companyfabric.com/v1 and set model to "openai/gpt-6-astra".
Variants
Same family
GPT-5.5
$5/Mtok inOpenAI
OpenAI's flagship, one key away.
Added 1 Jun 2026 · text
GPT-6 Sol
$2/Mtok inOpenAI
GPT-6 for complex coding and agent work at a fifth of Astra's price, with the same million-token window.
Added 22 Sep 2026 · text
GPT-6 Luna
$0.1/Mtok inOpenAI
GPT-6's high-volume tier: the cheapest frontier-family model in the catalog, with a million-token window.
Added 22 Sep 2026 · text
GPT-4.1 mini
$0.4/Mtok inOpenAI
OpenAI's April 2025 small model with a million-token window, still running inside a lot of production agents. Keep it as your baseline and test newer models against it on the same key.
Added 27 Sep 2026 · text
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Gemini 4 Argon
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Gemini 3.7 Flash
$0.75/Mtok inGoogle's current fast model, million-token context.
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Gemini 3.1 Pro (preview)
PreviewGoogle's newest Pro tier, shipped as a preview.
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One key. Every model. Exact prices.
Run GPT-6 Astra with free starter credits. Free starter credits included, no subscription required.