GPT-5.5

GPT-5.5

OpenAI
OpenAI Bel

OpenAI Bel

OpenAI
+
+

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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.

About

OpenAI Bel is the reported codename of an unreleased artificial intelligence foundation model associated with OpenAI. Unofficial reports describe it as a large-scale pretraining project intended to support future generations of AI models. The project has been linked in speculative reporting to OpenAI's Astra model family and potential successors to GPT-6. Some sources claim that Bel contains more than 10 trillion parameters, although this figure has not been independently verified. OpenAI has not published official technical specifications, benchmark results, or documentation confirming the project's capabilities. Bel is not currently available as a publicly documented model through ChatGPT or the OpenAI API.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

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

Audience

AI researchers, machine learning engineers, software developers, enterprise AI teams, and organizations evaluating advanced language models

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$5 per 1M tokens (input)
$5 per 1M input tokens and $30 per 1M output tokens, with a 1M context window
Free Version Not Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

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

Pros & Cons from Real Users

Pros

  • GPT-5.5 has been outstanding for AI agents and coding work. It feels smarter, more persistent, and better at handling complex technical tasks than previous models. I use it for debugging, writing code, planning agent workflows, and working through multi-step software problems. It is especially strong when I need clear reasoning, structured output, and practical code that I can actually use.

Cons

  • GPT-5.5 still works best with clear instructions and enough project context. For large codebases or production-level changes, I still review the code carefully before shipping it.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

OpenAI
Founded: 2015
United States
openai.com

Company Information

OpenAI
Founded: 2015
United States
openai.com

Alternatives

Alternatives

GPT-6 Astra

GPT-6 Astra

OpenAI
GPT-6.1 Sol

GPT-6.1 Sol

OpenAI
GPT-5.6 Sol

GPT-5.6 Sol

OpenAI
GPT-6 Sol

GPT-6 Sol

OpenAI
GPT-5.5 Pro

GPT-5.5 Pro

OpenAI
GPT-6 Luna

GPT-6 Luna

OpenAI
Kimi K2.5

Kimi K2.5

Moonshot AI

Categories

AI Coding Models Supported
AI Models Supported
AI Vision Models Supported
Foundation Models Supported
Multimodal Models Supported

Categories

AI Coding Models Supported
AI Models Supported
AI Vision Models Supported
Foundation Models Supported
Multimodal Models Supported

Integrations

Auggie CLI Supported
ChatGPT Enterprise Supported
ChatGPT Plus Supported
GPT-5.1-Codex-Max Supported
GPT‑5.4‑Cyber Supported
IntelliJ IDEA Supported
Kimi K2 Thinking Supported
Microsoft Copilot Studio Supported
Microsoft Foundry Models Supported
Novelcrafter Supported
OpenAI Codex Supported
Perplexity Computer Supported
Pi Agent Supported
Prism Supported
Python Supported
Rust Supported
Springhub Supported
ThreadMaster.ai Supported
Visual Studio Code Supported
Xcode Supported

Integrations

Auggie CLI Supported
ChatGPT Enterprise Supported
ChatGPT Plus Supported
GPT-5.1-Codex-Max Supported
GPT‑5.4‑Cyber Supported
IntelliJ IDEA Supported
Kimi K2 Thinking Supported
Microsoft Copilot Studio Supported
Microsoft Foundry Models Supported
Novelcrafter Supported
OpenAI Codex Supported
Perplexity Computer Supported
Pi Agent Supported
Prism Supported
Python Supported
Rust Supported
Springhub Supported
ThreadMaster.ai Supported
Visual Studio Code Supported
Xcode Supported
Claim GPT-5.5 and update features and information
Claim GPT-5.5 and update features and information
Claim OpenAI Bel and update features and information
Claim OpenAI Bel and update features and information