Model Details
Owner
OpenAI
Released
Apr 2026
Status
Active
Context Length
1.1M
Max Output
128K
Provider
OpenAI
Where is gpt-5.5 a perfect fit?
GPT-5.5 is a frontier reasoning model from OpenAI designed for complex coding and professional work, with strong agentic, scientific, and knowledge-work capabilities.
- Complex software engineering, debugging, and repository-scale coding
- Agentic workflows involving planning, tools, and multi-step execution
- Professional knowledge work involving documents, spreadsheets, and analysis
- Scientific research and complex technical problem-solving
- Long-context analysis across large codebases, documents, and datasets
- Web-search and file-search applications requiring deeper reasoning
- Computer-use workflows and other tool-driven automation
- Production workloads where higher intelligence justifies increased token costs
- Complex software engineering, debugging, and repository-scale coding
- Agentic workflows involving planning, tools, and multi-step execution
- Professional knowledge work involving documents, spreadsheets, and analysis
- Scientific research and complex technical problem-solving
- Long-context analysis across large codebases, documents, and datasets
- Web-search and file-search applications requiring deeper reasoning
- Computer-use workflows and other tool-driven automation
- Production workloads where higher intelligence justifies increased token costs
Quick Model Estimate
Your GPT-5 Cost Estimate
💰 Total Cost
USD 3.00
for 1000 input + 1000 output tokens
📥 Input (1000 × $5.000000)
USD 1.5000
📤 Output (1000 × $30.000000)
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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Provider
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Modality
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Tier
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|
Input Price
(per 1M tokens) ↕ |
Output Price
(per 1M tokens) ↕ |
Context Window
↕
|
View
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|---|---|---|---|---|---|---|
 OpenAI
|
Text | Standard | $5.0000 | $30.0000 | 1,050,000 tokens | → |
|
OpenAI
|
Text | Standard | $10.0000 | $45.0000 | 1,050,000 tokens | → |
|
OpenAI
|
Text | Batch | $2.5000 | $15.0000 | 1,050,000 tokens | → |
|
OpenAI
|
Text | Batch | $5.0000 | $22.5000 | 1,050,000 tokens | → |
|
OpenAI
|
Text | Flex | $2.5000 | $15.0000 | 1,050,000 tokens | → |
|
OpenAI
|
Text | Flex | $5.0000 | $22.5000 | 1,050,000 tokens | → |
|
OpenAI
|
Text | Priority | $12.5000 | $75.0000 | 1,050,000 tokens | → |