ChatGPT
GPT-5.5 Pro
Our most capable GPT-5.5 mode for the toughest problems. Pro uses the highest extra thinking variant in crowSync, making it slower and more expensive, but more precise on difficult work.
Quick facts
Pricing
Input $30 / Output $180 per 1M tokens
Context window
1.05M
Max output
128K
Knowledge cutoff
2025-12-01
What this model can do
You provide
- 📄 Documents (PDFs, Word, TXT)
- 🖼️ Images & Screenshots
- 💬 Text instructions
It creates
- 📝 Formatted text & summaries
- 💻 Code snippets
- 🎨 Generated images
Capabilities
Reasoning
Better suited to multi-step analysis, planning, and harder prompts.
Vision
Can work with screenshots, charts, or other image inputs.
Document input
Can accept supported documents directly in chat.
Structured output
Primarily aimed at natural-language output.
Tool use
Can use compatible tools when crowSync enables them for the run.
Native tools in crowSync
Web search
Search the live web during a run.
Available
File search
Search uploaded files or indexed collections.
Available
Image generation
Generate images directly from prompts.
Available
MCP integrations
Use compatible MCP integrations where supported.
Available
Input and output
Input
- Text
- Image
- Documents
Output
- Text
- Image
Common use cases
- Complex planning, debugging, and multi-step analysis.
- Research tasks that need current information from the web.
- Summarizing PDFs, documents, or longer working files.
- Working with screenshots, charts, diagrams, and other images.
Pricing details
Input
$30 / 1M tokens
Output
$180 / 1M tokens
Higher tier
Above 272K input tokens: input $60, output $270 per 1M tokens