Model Details
Owner
OpenAI
Released
Apr 2026
Status
Active
Context Length
1.1M
Max Output
128K
Provider
OpenAI
Where is gpt-5.5-pro a perfect fit?
GPT-5.5 Pro is the higher-compute version of GPT-5.5 from OpenAI, designed to produce smarter and more precise answers on especially difficult problems. OpenAI notes that requests can take several minutes because the model spends additional compute reasoning before responding.
- Difficult problems where accuracy matters more than latency or cost
- Deep research, technical analysis, and complex professional knowledge work
- High-value coding, architecture, debugging, and code-review tasks
- Scientific and mathematical problems requiring substantial reasoning
- Long-context analysis across large documents, datasets, and codebases
- Complex agentic workflows requiring function calls and external tools
- Tasks requiring structured outputs, web search, file search, or code execution
- High-stakes workflows where GPT-5.5's standard reasoning is insufficient
- Difficult problems where accuracy matters more than latency or cost
- Deep research, technical analysis, and complex professional knowledge work
- High-value coding, architecture, debugging, and code-review tasks
- Scientific and mathematical problems requiring substantial reasoning
- Long-context analysis across large documents, datasets, and codebases
- Complex agentic workflows requiring function calls and external tools
- Tasks requiring structured outputs, web search, file search, or code execution
- High-stakes workflows where GPT-5.5's standard reasoning is insufficient
Quick Model Estimate
Your GPT-5 Cost Estimate
💰 Total Cost
USD 3.00
for 1000 input + 1000 output tokens
📥 Input (1000 × $30.000000)
USD 1.5000
📤 Output (1000 × $180.000000)
USD 1.5000
Cost Breakdown
📥 Input 50%
📤 Output 50%
Prices updated daily from official provider data.
Other Models in the gpt-5.5 Family
Pricing
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Modality
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Input Price
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Context Window
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View
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|---|---|---|---|---|---|---|
 OpenAI
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Text | Standard | $30.0000 | $180.0000 | 1,050,000 tokens | → |
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OpenAI
|
Text | Standard | $60.0000 | $270.0000 | 1,050,000 tokens | → |
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OpenAI
|
Text | Batch | $15.0000 | $90.0000 | 1,050,000 tokens | → |
|
OpenAI
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Text | Flex | $15.0000 | $90.0000 | 1,050,000 tokens | → |