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. Learn more in OpenAI's docs:
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
#40
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Live ChatGPT statusCapabilities
What it is good at
Catalog capabilities
- Accepts image input
- Generates text responses
- Supports tool calling
- Supports structured outputs
Good for
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Compare GPT-6 Astra Pro
GPT-6 Astra Pro vs GPT-5.2
GPT-5.2 is the latest frontier-grade model in the GPT-5 series, offering stronger agentic and long context perfomance compared to GPT-5.1.
Open comparisonGPT-6 Astra Pro vs GPT-5.6 Sol
GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series.
Open comparisonGPT-6 Astra Pro vs o1-pro
The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning.
Open comparisonFAQ
Questions about GPT-6 Astra Pro
Clear answers based on the model catalog and Krater access.
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