GPT-5.6 Sol Pro
OpenAI's GPT-5.6 Sol Pro is designed for complex tasks that require advanced reasoning capabilities. It supports a large context window of over one million tokens and can process text, image, and file inputs to generate detailed text outputs.
GPT-5.6 Sol Pro specs and pricing
- Provider: OpenAI
- Released: July 9, 2026
- Context window: 1.1M tokens
- Max output: 128K tokens
- Input: files, images, text
- Output: text
- Price: $4.00 input / $20 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
What GPT-5.6 Sol Pro is good at
- Analyzing complex documents or datasets
- Solving multi-step logical problems
- Processing large batches of files and images
To-dos to try with GPT-5.6 Sol Pro
- Upload a 500-page technical manual and summarize the troubleshooting steps for a specific error code
- Analyze a set of architectural diagrams and written project requirements to identify potential design conflicts
- Review a complex legal contract and list all clauses that impose recurring financial obligations
FAQ
- What is the difference between GPT-5.6 Sol and GPT-5.6 Sol Pro? GPT-5.6 Sol Pro uses the same underlying model as the standard version but operates with a pro reasoning mode intended to provide higher-quality responses for complex tasks.
- Can this model process visual information? Yes, the model is capable of accepting image files as input alongside text and other file types.
- How much does GPT-5.6 Sol Pro cost? GPT-5.6 Sol Pro costs $4.00 per million input tokens and $20 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 14 credits ($1 = 100 credits).
- What is the context window of GPT-5.6 Sol Pro? GPT-5.6 Sol Pro can read up to 1.1M tokens at once and write up to 128K tokens in one reply.
- Can I use GPT-5.6 Sol Pro without coding? Yes. In todo.is you pick GPT-5.6 Sol Pro as your agent's model and write to-dos in plain words, on the web, the Android app, WhatsApp or Telegram. No API key needed: credits are included, or you can bring your own key.
JavaScript is required to use the todo.is app.