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GPT-6 Astra Pro

GPT-6 Astra Pro is the same underlying model as [GPT-6 Astra](https://openrouter.ai/openai/gpt-6-astra), served with reasoning.mode set to pro for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...

Context
1.05M
Input / 1M
$10
Output / 1M
$50
Released
Sep 4, 2026
View on OpenRouterFind it in the catalog
Specifications

GPT-6 Astra Pro specs

Provider
OpenAI
Type
API model
Model ID
openai/gpt-6-astra-pro
Context window
1,050,000 tokens1.05M
Input price
$10per 1M input tokens
Output price
$50per 1M output tokens
Accepts
file, image, text
Produces
text
Released
Sep 4, 2026
Source
OpenRouter
Overview

About GPT-6 Astra Pro

GPT-6 Astra Pro is an API model from OpenAI, released on Sep 4, 2026, with a context window of 1,050,000 tokens, pricing of $10 per million input tokens and $50 per million output tokens. It accepts file, image, text input and produces text output.

At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.15.

Specs are sourced from OpenRouter and were last checked on Nov 3, 2026. Always confirm current pricing and limits with the provider before production use.

Tool callingStructured outputsJSON modeReasoning
FAQ

GPT-6 Astra Pro questions

What is the context window of GPT-6 Astra Pro?

GPT-6 Astra Pro supports a context window of 1,050,000 tokens.

How much does GPT-6 Astra Pro cost?

GPT-6 Astra Pro is listed at $10 per million input tokens and $50 per million output tokens on OpenRouter.

When was GPT-6 Astra Pro released?

GPT-6 Astra Pro was published on Sep 4, 2026.

What inputs does GPT-6 Astra Pro accept?

GPT-6 Astra Pro accepts file, image, text input and produces text output.