openai

OpenAI: GPT-5.5 Pro

GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...

Quality Score
85/100
composite of price, context, capability
Input Price
$30.00
per 1M tokens
Output Price
$180.00
per 1M tokens
Context Window
1,050,000
tokens
Model ID
openai/gpt-5.5-pro
Vendor
openai
Tokenizer
GPT
Input Modalities
file, image, text
Output Modalities
text
Max Output
128,000 tokens
Tool Calling
✓ supported
Structured Output
✓ supported
Reasoning Mode
✓ supported
Vision
✓ accepts images
Audio
no
Moderated
yes

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