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GPT-5.5

GPT-5.5 is OpenAI's newest frontier GPT model for advanced coding, agentic workflows, and complex professional tasks.

Quick facts

Pricing
Input $5 / Output $30 per 1M tokens
Context window
1.05M
Max output
128K
Knowledge cutoff
2025-12-01

Reasoning levels

GPT-5.5 comes with 3 selectable reasoning levels. Pick the level right in the crowSync composer — higher levels think longer on hard problems (and use more output tokens); token prices stay the same at every level.

Medium
GPT-5.5 Medium
High
GPT-5.5 High
Extra High
GPT-5.5 Extra High

What this model can do

You provide

  • 📄 Documents (PDFs, Word, TXT)
  • 🖼️ Images & Screenshots
  • 💬 Text instructions

It creates

  • 📝 Formatted text & summaries
  • 📊 Excel sheets & CSV data
  • 📽️ PowerPoint slides & decks
  • 💻 Usable code snippets
  • 🤖 JSON & structured data
  • 🎨 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
Can return JSON for workflows that need machine-readable 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
Code interpreter
Run code for calculations, analysis, and generated files.
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

Pricing details

Input
$5 / 1M tokens
Output
$30 / 1M tokens
Cached input
$0.50 / 1M tokens
Higher tier
Above 272K input tokens: input $10, output $45, cached input $1 per 1M tokens