GPT 6 Astra API
Frontier GPT-6 model for the hardest reasoning, coding and agentic work. Text, image and file input.
Starting at
$8
input price per 1M tokens
GPT 6 Astra playground
Input
openaiInput
$8 / 1M
Output
$40 / 1M
Output

Start a conversation
Ask GPT 6 Astra anything. Messages are sent directly to the API and charged by token usage.
Sign in to chatGPT 6 Astra API pricing
| Option | Price per 1M tokens |
|---|---|
| input | $8 |
| output | $40 |
| cacheRead | $0.8 |
| cacheWrite | $10 |
Quick start
Full API reference →1curl -X POST https://api.api-stock.com/api/v1/chat/completions \2 -H "Authorization: Bearer $API_STOCK_KEY" \3 -H "Content-Type: application/json" \4 -d '{5 "model": "gpt-6-astra",6 "messages": [7 {8 "role": "user",9 "content": "A cinematic shot of a city at dusk"10 }11 ]12 }'
Frequently asked questions
How much does GPT 6 Astra cost?
GPT 6 Astra starts at $8 per 1M input tokens on API Stock. The final charge depends on the selected settings.
When was GPT 6 Astra released?
GPT 6 Astra was released on September 3, 2026 and is available through API Stock.
How do I get an API key for GPT 6 Astra?
Create an account and API key on API Stock, then fund your balance. The same key works with GPT 6 Astra and other catalog models.
How do I call the GPT 6 Astra API?
Send a POST request to https://api.api-stock.com/api/v1/chat/completions with your API key and the model "gpt-6-astra", using the openai-compatible request format shown in the quick start above.
What happens if a GPT 6 Astra request fails?
API Stock automatically retries the request on a reserve provider. If every provider fails, the charge is refunded to your balance.
Can I use GPT 6 Astra with the same API key as other models?
Yes. Use your API Stock API key and balance for GPT 6 Astra and other catalog models.
Other Chat models
Guides
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