Model comparison
GPT-5.5 Pro vs GPT-5
Capability radar, value bars, and side-by-side posture.
GPT-5.5 Pro
Not scored
value score
GPT-5
94
value score
GPT-5.5 Pro ctx
—
GPT-5 ctx
400K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- GPT-594
Attribute tape
| Field | GPT-5.5 Pro | GPT-5 |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Context | — | 400K |
| Modalities | Text, Code, Image, Audio | |
| Openness | — | Proprietary Model |
| Speed | — | Fast |
| Price | — | Mid-High |
| Value score | — | 94 |
| Summary | GPT-5.5 Pro is OpenAI's high-compute variant of the GPT-5.5 model family, designed for harder questions and higher-accuracy professional workflows. It is available to ChatGPT Pro, Business, Enterprise, and Edu users, and via the API as `gpt-5.5-pro`. | OpenAI frontier multimodal model. |