GPT-6 Astra Proon Krater.ai

GPT-6 Astra Pro is the same underlying model as GPT-6 Astra, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Cost note: pro mode spends far more

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Released September 4, 2026

Specifications

GPT-6 Astra Pro at a glance

Context

1.1M tokens

Max output

128K tokens

Input

File, Image, Text

Output

Text

Input price

$10.00 / 1M

Output price

$50.00 / 1M

Krater rank

#62

Image inputTool callingStructured outputsReasoning supportProvider moderated

Is ChatGPT down?

ChatGPT not loading? Krater checks OpenAI every 5 minutes and shows what to switch to while it is down.

Live ChatGPT status

Capabilities

What it is good at

Catalog capabilities

  • Accepts image input
  • Generates text responses
  • Supports tool calling
  • Supports structured outputs

Good for

Image understandingLong documentsUse with toolsStructured responsesDeep analysis
GPT-6 Astra Pro

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FAQ

Questions about GPT-6 Astra Pro

Clear answers based on the model catalog and Krater access.

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

Use GPT-6 Astra Pro in your API

Connect with Krater's unified API.

API access

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