openai

OpenAI: GPT-5.5

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

Quality Score
92/100
composite of price, context, capability
Input Price
$5.00
per 1M tokens
Output Price
$30.00
per 1M tokens
Context Window
1,050,000
tokens
Model ID
openai/gpt-5.5
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

Similar models