GPT-5.5

GPT-5.5

OpenAI
+
+

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About

Composer 2.5 is the latest AI coding model released by Cursor, offering major improvements in intelligence, collaboration, and long-task performance compared to Composer 2. The model is designed to follow complex instructions more accurately while providing a smoother and more natural user experience during coding sessions. Cursor enhanced Composer 2.5 through larger-scale training, more advanced reinforcement learning environments, and improved behavioral tuning focused on communication and effort calibration. The model uses targeted reinforcement learning with textual feedback to correct specific mistakes during training, helping it avoid issues like invalid tool calls or poor coding behavior. Composer 2.5 was also trained using significantly more synthetic coding tasks, enabling it to handle increasingly difficult programming challenges and real-world development scenarios.

About

GPT-5.5 is an advanced AI model designed to handle complex, real-world tasks with greater autonomy and efficiency. It quickly understands user intent and can execute multi-step workflows such as coding, research, data analysis, and document creation with minimal guidance. Instead of requiring step-by-step instructions, GPT-5.5 plans tasks, uses tools, evaluates outputs, and continues working until completion. It excels in knowledge work, software development, and analytical problem-solving, helping users move from idea to execution faster. The model is built to operate across tools and environments, making it highly effective for modern digital workflows. With strong reasoning and persistence, GPT-5.5 enables individuals and teams to complete demanding work more efficiently and accurately.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Software developers, engineering teams, AI researchers, and enterprise organizations looking for advanced AI-assisted coding and large-scale software development solutions

Audience

GPT-5.5 is ideal for enterprises, developers, researchers, and business teams looking to automate complex workflows, enhance productivity, and scale operations using AI and workspace agents

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$0.50/M input
Free Version
Free Trial

Pricing

$5 per 1M tokens (input)
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Cursor
Founded: 2022
United States
cursor.com

Company Information

OpenAI
Founded: 2015
United States
openai.com

Alternatives

Claude Code

Claude Code

Anthropic

Alternatives

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Claude Mythos

Anthropic
Claude Mythos

Claude Mythos

Anthropic
Claude Opus 4.6

Claude Opus 4.6

Anthropic
Claude Opus 4.6

Claude Opus 4.6

Anthropic
Claude Opus 4.7

Claude Opus 4.7

Anthropic
GPT-5.5 Pro

GPT-5.5 Pro

OpenAI
Composer 1

Composer 1

Cursor

Categories

Categories

Integrations

Cursor
AiAssistWorks
Augment Code
CSS
ChatGPT Health
ChatGPT Plus
ChatGPT Pro
Codex Security
Flowise
GPT-5.4 mini
Google Drive
Higgsfield Supercomputer
Kimi K2 Thinking
Microsoft Excel
Microsoft Foundry Models
Muse
NextDocs
PHP
Pi Agent
Warp

Integrations

Cursor
AiAssistWorks
Augment Code
CSS
ChatGPT Health
ChatGPT Plus
ChatGPT Pro
Codex Security
Flowise
GPT-5.4 mini
Google Drive
Higgsfield Supercomputer
Kimi K2 Thinking
Microsoft Excel
Microsoft Foundry Models
Muse
NextDocs
PHP
Pi Agent
Warp
Claim Composer 2.5 and update features and information
Claim Composer 2.5 and update features and information
Claim GPT-5.5 and update features and information
Claim GPT-5.5 and update features and information