GPT-5.5

GPT-5.5

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

Step 5 Preview is StepFun’s flagship model for agentic work, designed for real-world tasks across software engineering and professional knowledge work, with particular strength in finance. It natively supports text, image, and video input and provides a 1M-token context window, enabling tasks that require large amounts of information, tool calls, and continuous progress toward a deliverable. The model can analyze long documents, multiple source materials, and conversation history for cross-document question answering and research organization. For programming and software engineering, it works across multiple languages and can support troubleshooting, code changes, verification, and test creation. Its multi-step agent capabilities let applications provide tools for retrieving information, processing documents, conducting deep research, and producing analytical reports. Multimodal understanding combines images, video, and text for chart analysis, screenshot question answering, etc.

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

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

Developers, engineering teams, and knowledge-work organizations wanting to build multimodal AI agents for coding, research, analysis, and other complex multi-step tasks

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

$5 per 1M tokens (input)
$5 per 1M input tokens and $30 per 1M output tokens, with a 1M context window
Free Version
Free Trial

Pricing

$0.04 per input
Free Version
Free Trial

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:

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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
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

OpenAI
Founded: 2015
United States
openai.com

Company Information

StepFun
Founded: 2023
United States
platform.stepfun.ai/docs/en/guides/models/step-5-preview

Alternatives

Alternatives

No Alternatives
GPT-5.6 Sol

GPT-5.6 Sol

OpenAI
GPT-5.5 Pro

GPT-5.5 Pro

OpenAI

Categories

Categories

Integrations

Hermes Agent
OfoxAI
OpenClaw
Python
ChatGPT Enterprise
Codex Security
EaseMate AI
FastRouter
JetBrains Junie
Microsoft SharePoint
Model Context Protocol (MCP)
Node.js
Odysseus
OpenAI Codex
Qwen Code
Rust
Simtheory
ThreadMaster.ai
Viktor
ZGI

Integrations

Hermes Agent
OfoxAI
OpenClaw
Python
ChatGPT Enterprise
Codex Security
EaseMate AI
FastRouter
JetBrains Junie
Microsoft SharePoint
Model Context Protocol (MCP)
Node.js
Odysseus
OpenAI Codex
Qwen Code
Rust
Simtheory
ThreadMaster.ai
Viktor
ZGI
Claim GPT-5.5 and update features and information
Claim GPT-5.5 and update features and information
Claim Step 5 Preview and update features and information
Claim Step 5 Preview and update features and information