Average Ratings 0 Ratings

Total
ease
features
design
support

No User Reviews. Be the first to provide a review:

Write a Review

Average Ratings 0 Ratings

Total
ease
features
design
support

No User Reviews. Be the first to provide a review:

Write a Review

Description

GPT-5.4 is a next-generation AI model created by OpenAI to assist professionals with advanced knowledge work and software development tasks. It brings together major improvements in reasoning, coding, and automated workflows to deliver more capable and reliable results. The model can analyze large datasets, generate detailed reports, create presentations, and assist with spreadsheet modeling. GPT-5.4 also supports complex coding tasks and can help developers build, test, and debug software more efficiently. One of its key advancements is the ability to use tools and interact with software environments to complete multi-step processes. The model supports very large context windows, allowing it to analyze long documents and maintain context across extended conversations. GPT-5.4 also improves web research capabilities by searching and synthesizing information from multiple sources more effectively. Enhanced accuracy reduces hallucinations and helps produce more reliable responses for professional use. The model is available through ChatGPT, developer APIs, and coding environments such as Codex. By combining reasoning, tool usage, and large-scale context understanding, GPT-5.4 enables users to automate complex workflows and produce high-quality outputs.

Description

Step 3.5 Flash is a cutting-edge open-source foundational language model designed for advanced reasoning and agent-like capabilities, optimized for efficiency; it utilizes a sparse Mixture of Experts (MoE) architecture that activates only approximately 11 billion of its nearly 196 billion parameters per token, ensuring high-density intelligence and quick responsiveness. The model features a 3-way Multi-Token Prediction (MTP-3) mechanism that allows it to generate hundreds of tokens per second, facilitating complex multi-step reasoning and task execution while efficiently managing long contexts through a hybrid sliding window attention method that minimizes computational demands across extensive datasets or codebases. Its performance on reasoning, coding, and agentic tasks is formidable, often matching or surpassing that of much larger proprietary models, and it incorporates a scalable reinforcement learning system that enables continuous self-enhancement. Moreover, this innovative approach positions Step 3.5 Flash as a significant player in the field of AI language models, showcasing its potential to revolutionize various applications.

API Access

Has API

API Access

Has API

Screenshots View All

No images available

Screenshots View All

Integrations

GitHub
Agentforce Vibes
ChatGPT Pro
Codex CLI
Dessix
EaseMate AI
Flowise
JetBrains AI Assistant
Kineto by JetBrains
Microsoft 365 Copilot
Microsoft Copilot Studio
Microsoft Excel
NextDocs
Novelcrafter
Oh My OpenAgent
OpenAI Codex
Perplexity Computer
Python
React
Use AI

Integrations

GitHub
Agentforce Vibes
ChatGPT Pro
Codex CLI
Dessix
EaseMate AI
Flowise
JetBrains AI Assistant
Kineto by JetBrains
Microsoft 365 Copilot
Microsoft Copilot Studio
Microsoft Excel
NextDocs
Novelcrafter
Oh My OpenAgent
OpenAI Codex
Perplexity Computer
Python
React
Use AI

Pricing Details

No price information available.
Free Trial
Free Version

Pricing Details

Free
Free Trial
Free Version

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Vendor Details

Company Name

OpenAI

Founded

2015

Country

United States

Website

openai.com

Vendor Details

Company Name

StepFun

Founded

2023

Country

China

Website

static.stepfun.com/blog/step-3.5-flash/

Product Features

Alternatives

Claude Opus 4.6 Reviews

Claude Opus 4.6

Anthropic

Alternatives

Claude Mythos Reviews

Claude Mythos

Anthropic
MiMo-V2-Flash Reviews

MiMo-V2-Flash

Xiaomi Technology
Kimi K2.6 Reviews

Kimi K2.6

Moonshot AI
DeepSeek-V4 Reviews

DeepSeek-V4

DeepSeek
Claude Opus 4.7 Reviews

Claude Opus 4.7

Anthropic