GPT-5.6 Terra Proon Krater.ai
GPT-5.6 Terra Pro is the same underlying model as GPT-5.6 Terra, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Learn more in OpenAI's docs:
Released July 9, 2026
Specifications
GPT-5.6 Terra Pro at a glance
Context
1.1M tokens
Max output
128K tokens
Input
File, Image, Text
Output
Text
Input price
$1.00 / 1M
Output price
$6.00 / 1M
Knowledge cutoff
2026-02-16
Krater rank
#33
Capabilities
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-5.6 Terra Pro
GPT-5.6 Terra Pro vs GPT-5.2
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Open comparisonGPT-5.6 Terra Pro vs GPT-5.4 Nano
GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks.
Open comparisonGPT-5.6 Terra Pro vs GPT-5.3 Chat
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