GPT-5.5 High

Name: GPT-5.5 (High Reasoning)
Author: OpenAI

Reasoning modelGPT-5.5

GPT-5.5 (High Reasoning)

Release date: 2026-04-01Updated: 2026-06-05 21:12:55.223

GPT-5.5 (High Reasoning) is an AI model published by OpenAI, released on 2026-04-01, for Reasoning model, under the 不开源 license.

Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology

GPT-5.5 High

Model basics

Reasoning traces

Supported

Thinking modes

Thinking modes not supported

Context length

No data

Max output length

No data

Model type

Reasoning model

Release date

2026-04-01

Model file size

No data

MoE architecture

Total params / Active params

No data / N/A

Knowledge cutoff

No data

GPT-5.5 High

Open source & experience

Code license

不开源

Weights license

不开源

GitHub repo

GitHub link unavailable

Hugging Face

Hugging Face link unavailable

Live demo

No live demo

GPT-5.5 (High Reasoning)

Model Overview

GPT-5.5 (High Reasoning) is an AI model published by OpenAI, released on 2026-04-01, for Reasoning model, under the 不开源 license.

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GPT-5.5 High

Model basics

Open source & experience

Official resources

API details

Benchmark Results

Publisher

Model Overview

DataLearner on WeChat

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