GPT-5.6 Sol Proon Krater.ai
GPT-5.6 Sol Pro is the same underlying model as GPT-5.6 Sol, 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 Sol Pro at a glance
Context
1.1M tokens
Max output
128K tokens
Input
File, Image, Text
Output
Text
Input price
$5.00 / 1M
Output price
$30.00 / 1M
Knowledge cutoff
2026-02-16
Krater rank
#13
Capabilities
What it is good at
Catalog capabilities
- Accepts image input
- Generates text responses
- Supports tool calling
- Supports structured outputs
Good for
Compare
Compare GPT-5.6 Sol Pro
GPT-5.6 Sol Pro vs GPT-5.6 Luna
GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series.
Open comparisonGPT-5.6 Sol Pro vs GPT-5.5 Pro
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads.
Open comparisonGPT-5.6 Sol Pro vs GPT-5.6 Luna Pro
GPT-5.6 Luna Pro is the same underlying model as GPT-5.6 Luna, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Learn more in OpenAI's docs:
Open comparisonFAQ
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