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ease
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Description

AfterQuery serves as a practical research platform aimed at generating high-quality training datasets for cutting-edge artificial intelligence models by emulating the cognitive processes of seasoned professionals as they think, reason, and tackle challenges in their fields. By converting real-world work scenarios into organized datasets, it provides insights that transcend mere outputs, incorporating intricate decision-making, trade-offs, and contextual reasoning that typical internet-sourced data fails to capture. The platform collaborates closely with subject matter experts to produce supervised fine-tuning data, which includes prompt–response pairs alongside comprehensive reasoning trails, in addition to reinforcement learning datasets featuring expertly crafted prompts and assessment frameworks that translate subjective evaluations into scalable reward mechanisms. Furthermore, it develops customized agent environments using various APIs and tools, facilitating the training and evaluation of models within realistic workflows while also tracking computer-use trajectories that illustrate how individuals engage with software in a detailed, step-by-step manner. This multi-faceted approach ensures that the data generated not only reflects expert insights but is also adaptable for a wide range of applications in the evolving landscape of artificial intelligence.

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

Screenshots View All

Integrations

GitHub
Hugging Face
Model Context Protocol (MCP)
ModelScope
arXiv

Integrations

GitHub
Hugging Face
Model Context Protocol (MCP)
ModelScope
arXiv

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

AfterQuery

Founded

2025

Country

United States

Website

www.afterquery.com

Vendor Details

Company Name

StepFun

Founded

2023

Country

China

Website

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

Product Features

Product Features

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