GPT 5.5 (Open AI)

Name: GPT 5.5 (Open AI)
Brand: OpenAI

OpenAI

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OpenAI's GPT-5.5 is built for complex professional work: writing, research, data analysis and code. It gives warm, readable answers without heavy prompting, matches GPT-5.4's speed at a higher level of intelligence, and has a context window of over 1M tokens. Choose a reasoning level, add web search for current facts, or request structured JSON output.

Speed

Price

$$$$$

Specifications

Context Window

1,050,000tokens

Maximum context length

Max Output

128,000tokens

Maximum output length

Knowledge Cutoff

Dec 2025

Training data cutoff

Added On

6/9/2026

Date added to platform

GPT 5.5 (Open AI)

Specifications

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