Qwen3.5

Qwen3.5

Alibaba
+
+

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About

Qwen3.5 is a next-generation open-weight multimodal large language model designed to power native vision-language agents. The flagship release, Qwen3.5-397B-A17B, combines a hybrid linear attention architecture with sparse mixture-of-experts, activating only 17 billion parameters per forward pass out of 397 billion total to maximize efficiency. It delivers strong benchmark performance across reasoning, coding, multilingual understanding, visual reasoning, and agent-based tasks. The model expands language support from 119 to 201 languages and dialects while introducing a 1M-token context window in its hosted version, Qwen3.5-Plus. Built for multimodal tasks, it processes text, images, and video with advanced spatial reasoning and tool integration. Qwen3.5 also incorporates scalable reinforcement learning environments to improve general agent capabilities. Designed for developers and enterprises, it enables efficient, tool-augmented, multimodal AI workflows.

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

AI researchers, enterprise developers, and organizations seeking an efficient open-weight multimodal foundation model for advanced reasoning, coding, and autonomous agent applications

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

Free
Open source
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

Alibaba
Founded: 1999
China
qwen.ai

Company Information

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

Alternatives

Alternatives

No Alternatives
Claude Mythos

Claude Mythos

Anthropic
Claude Opus 4.5

Claude Opus 4.5

Anthropic
Qwen3.8-Max

Qwen3.8-Max

Alibaba

Categories

Categories

Integrations

Alibaba Cloud Model Studio
Ollama
OpenClaw
Qwen
APIFree
BaseRT
Claw Code
ClinePass
Happy Shrimp 1.0
Hermes Agent
Model Context Protocol (MCP)
ModelScope
Novita AI
Odysseus
OfoxAI
Qwen Code
Qwen3.5-Plus
QwenCloud
QwenWork
Together AI

Integrations

Alibaba Cloud Model Studio
Ollama
OpenClaw
Qwen
APIFree
BaseRT
Claw Code
ClinePass
Happy Shrimp 1.0
Hermes Agent
Model Context Protocol (MCP)
ModelScope
Novita AI
Odysseus
OfoxAI
Qwen Code
Qwen3.5-Plus
QwenCloud
QwenWork
Together AI
Claim Qwen3.5 and update features and information
Claim Qwen3.5 and update features and information
Claim Step 5 Preview and update features and information
Claim Step 5 Preview and update features and information