OpenAI: GPT-5.6 Sol Pro
GPT
Multimodal
Paid
GPT-5.6 Sol Pro is the same underlying model as [GPT-5.6 Sol](https://openrouter.ai/openai/gpt-5.6-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Parameters
-
Context Window
1,050,000
tokens
Input Price
$5
per 1M tokens
Output Price
$30
per 1M tokens
Capabilities
Model capabilities and supported modalities
Performance
Reasoning
Excellent reasoning capabilities with strong logical analysis
Math
-
Coding
-
Knowledge
-
Modalities
Input Modalities
file,image,text
Output Modalities
text
LLM Price Calculator
Calculate the cost of using this model
$0.007500
$0.090000
Input Cost:$0.007500
Output Cost:$0.090000
Total Cost:$0.097500
Estimated usage: 4,500 tokens
Monthly Cost Estimator
Based on different usage levels
Light Usage
$0.3500
~10 requests
Moderate Usage
$3.5000
~100 requests
Heavy Usage
$35.0000
~1000 requests
Enterprise
$350.0000
~10,000 requests
Note: Estimates based on current token count settings per request.
Last Updated: 2026/08/15