GPT-5.5 Pro

GPT-5.5 Pro

OpenAI
+
+

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About

GPT-5.5 Pro is an advanced AI model designed to handle complex, real-world work with greater autonomy and efficiency. It understands user intent quickly and can execute multi-step tasks such as coding, research, data analysis, and document creation with minimal guidance. The model is built to plan, use tools, and refine its outputs until tasks are complete. It excels in knowledge work, software development, and analytical problem-solving. With strong reasoning and persistence, GPT-5.5 Pro can manage long-running workflows across tools and systems. It delivers high-quality results while maintaining speed and efficiency. Overall, it enables individuals and teams to complete demanding tasks faster and more 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 Pro 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

$30 per 1M tokens (input)
$30 per 1M input tokens and $180 per 1M output tokens
Free Version
Free Trial

Pricing

$0.04 per 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

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

GPT-5.5

OpenAI
GPT-5.4

GPT-5.4

OpenAI

Categories

Categories

Integrations

Hermes Agent
OpenClaw
Python
Alibaba Cloud Model Studio
Codex CLI
Databricks
Dessix
GPT-5.4 mini
GitHub
JetBrains Junie
Kotlin
Microsoft 365 Copilot Chat
Microsoft Copilot Studio
Microsoft Foundry
Microsoft SharePoint
ModelScope
OpenAI
PowerShell
Springhub
TypeScript

Integrations

Hermes Agent
OpenClaw
Python
Alibaba Cloud Model Studio
Codex CLI
Databricks
Dessix
GPT-5.4 mini
GitHub
JetBrains Junie
Kotlin
Microsoft 365 Copilot Chat
Microsoft Copilot Studio
Microsoft Foundry
Microsoft SharePoint
ModelScope
OpenAI
PowerShell
Springhub
TypeScript
Claim GPT-5.5 Pro and update features and information
Claim GPT-5.5 Pro and update features and information
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Claim Step 5 Preview and update features and information