OpenAI: GPT-5.5 Pro

openai/gpt-5.5-pro

Description

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...

How this model compares

Overall covers the full catalog. By plan covers only models available on that tier (same rules as available models in your list). Position on min–average–max. Prices use the higher of prompt or completion per token, shown per 1M tokens.

Price (per 1M tokens)

Min
Max
This model
351 models in this groupPrice (per 1M tokens)
Min
$0.04
Avg
$11.47465
Max
$750.00
This model: $180.00 / 1M tokens

Context length (tokens)

Min
Max
This model
351 models in this groupContext length (tokens)
Min
2,824 tokens
Avg
292,674.225 tokens
Max
2,000,000 tokens
This model: 1,050,000 tokens

Capabilities

text+image+file->textContext: 1,050,000 tokens
Input:
FileImageText
Output:
Text
    OpenAI: GPT-5.5 Pro