GPT-6 Astra (batch)

by OpenAI

openai/gpt-6-astra:batch
Input
$7.00/1M tokens
Output
$35.00/1M tokens
Context
1.1Mtokens
Max output
128Ktokens
Knows to
-
Released
4 Sep 2026

About

GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work.

Pricing

Input$7.00per 1M prompt tokens
Output$35.00per 1M generated tokens, reasoning included
Cached input$0.70per 1M tokens read back from the prompt cache
Cache write$8.75per 1M tokens written to the prompt cache
Input over 272K$14.00the whole prompt is billed at this rate once it passes the threshold
Output over 272K$52.50applies to replies to those prompts
Web search$0.014per request that uses the provider’s built-in search

What a request costs

Typical requestEachPer 1,000
Short chat reply1,500 in · 400 out$0.025$24.50
Question over a long document40,000 in · 800 out$0.308$308.00
Agent tool step20,000 in · 1,200 out$0.182$182.00
Very long prompt (over 272K)340,000 in · 1,500 out$4.84$4,839

At the developer-API rate, before any provider promotion or prompt-cache saving. In the app, the model picker shows what a message costs on your plan before you send it.

Benchmarks

Intelligence52.7#7 of 285
Coding76.9#7 of 163
Agentic51.0#11 of 127

Scores from Artificial Analysis; bars are scaled to the best model on our list. Published by OpenRouter alongside its catalogue.

Call it from code

OpenAI-compatible: point any OpenAI SDK at https://api.privateer.pro/v1 and set model. Keys are created in the app under Settings.

cURL
curl https://api.privateer.pro/v1/chat/completions \
  -H "Authorization: Bearer $PRIVATEER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-6-astra:batch",
    "messages": [{ "role": "user", "content": "Hello" }]
  }'
Python
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.privateer.pro/v1",
    api_key=os.environ["PRIVATEER_API_KEY"],
)
reply = client.chat.completions.create(
    model="openai/gpt-6-astra:batch",
    messages=[{"role": "user", "content": "Hello"}],
)
print(reply.choices[0].message.content)
JavaScript
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.privateer.pro/v1",
  apiKey: process.env.PRIVATEER_API_KEY,
});
const reply = await client.chat.completions.create({
  model: "openai/gpt-6-astra:batch",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(reply.choices[0].message.content);

Parameters this model accepts

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetoolsverbosity

API reference → · How API billing works →

Prices are USD at the developer-API rate, as of 16 Oct 2026, rebuilt daily from the providers’ live catalogues. ← All models