GPT-5.5 Pro

Name: GPT-5.5 Pro
Author: OpenAI

by OpenAIGPT-5

APIAvailable through a hosted API — pay per token, no self-hosting required

1050K context≈ 787,500 words

GPT-5.5 Pro sits in the GPT-5 family as a text-focused model accessible via API. Details about its specific capabilities, performance characteristics, and distinguishing behaviors relative to other GPT-5 variants are limited at this time — concrete information about what sets it apart has not been established.

Capabilities

Capability scores are AI-generated based on model documentation, benchmarks, and technical specifications. Learn more

Long Context

Moderate

Creative Writing

Moderate

Multimodal

Use Case Fit

Fit scores are AI-generated based on model capabilities, intended use, and technical specifications. Learn more

GPT-5.5 Pro

by OpenAIGPT-5

APIAvailable through a hosted API — pay per token, no self-hosting required

1050K context≈ 787,500 words

GPT-5.5 Pro sits in the GPT-5 family as a text-focused model accessible via API. Details about its specific capabilities, performance characteristics, and distinguishing behaviors relative to other GPT-5 variants are limited at this time — concrete information about what sets it apart has not been established.

Capabilities

Capability scores are AI-generated based on model documentation, benchmarks, and technical specifications. Learn more

Long Context

Moderate

Creative Writing

Moderate

Multimodal

Use Case Fit

Fit scores are AI-generated based on model capabilities, intended use, and technical specifications. Learn more

Glossary

APIAn interface that allows developers to send requests to and receive responses from an AI model over the internet.Text-Focused ModelA model designed specifically to process and generate text, without support for images, audio, or other data types.Text-Focused ModelA language model designed to work exclusively with text input and output, without support for images, audio, or other modalities.