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Time: 7 minute read

Created: February 13, 2025

Author: Lina Lam

Janus Pro Released: How to Access DeepSeek's Unified Multimodal Model

Shortly after the release of the groundbreaking DeepSeek R1 model, the DeepSeek team is back at it again with a new multimodal challenger.

Their new DeepSeek Janus Pro is a multimodal AI model designed for both text and image processing. It builds on the DeepSeek Janus series by introducing better efficiency, enhanced generation capabilities, and a decoupled architecture for visual understanding and image creation.

DeepSeek Janus Pro

This guide covers everything you need to know about DeepSeek Janus Pro 7B, including an overview of its capabilities, comparisons with similar models, and a step-by-step setup guide.

Let's take a look at what DeepSeek has to offer this time.

What We Will Cover

  1. What is DeepSeek Janus Pro?
  2. Janus Pro Capabilities and Benchmarks
  3. Comparison with Similar Models
  4. Janus Pro 7B Architecture
  5. How to Use Janus Pro 7B

What is DeepSeek Janus Pro?

Janus Pro is DeepSeek’s latest unified multimodal model, designed to handle both text and image-based tasks efficiently.

Unlike conventional models that separate language processing and image generation into different architectures, Janus Pro 7B adopts a decoupled visual encoding approach. This allows it to excel in image understanding and text-to-image generation while maintaining high performance in text-based tasks.

Janus Pro Capabilities and Benchmarks

AspectsDescription
Model TypeUnified multimodal understanding and generation model
Capabilities• Text generation
• Image understanding
• Text-to-image generation
Size Variants1B and 7B parameters
Improvements over Janus• Expanded dataset
• Enhanced text-to-image stability
• Decoupled visual encoding for better performance
Performance BenchmarksOutperforms DALL-E 3 and Stable Diffusion 3 Medium on benchmarks
Availability• Open-source with a commercial use license (can be installed locally and commercialized)
• Available on Hugging Face
Hardware Requirements• 1B model: Consumer-grade GPU
• 7B model: High-end GPU with sufficient VRAM (e.g NVIDIA A100) or Apple Silicon Mac with about 18GB of RAM

Janus Pro 7B Benchmark

Comparison with Similar Models

Janus Pro 7B is positioned as a competitor to other multimodal models like OpenAI's DALL-E 3, Stable Diffusion 3 Medium, and Gemini 2.0 Flash.

Here's how it stacks up:

FeatureJanus Pro 7BDALL-E 3Stable Diffusion 3 Medium
Text Generation
Image Understanding
Text-to-Image Generation
Decoupled Visual Encoding
Open-Source
Benchmark performance (GenEval)80%67%74%
Benchmark performance (DPG-bench)84.1983.5084.08

TL;DR

  • Janus Pro 7B is a true multimodal model that excels at both image understanding and text generation.
  • It outperforms both DALL-E 3 and Stable Diffusion 3 Medium on GenEval (which tests text-to-image generation capabilities) and DPG (which tests a model’s ability to follow complex image generation prompts) benchmarks.

Janus Pro 7B Architecture

Janus Pro 7B separates visual encoding from generation, improving both performance and flexibility.

Unlike traditional unified models that share a single visual encoder for both understanding and generation, Janus Pro 7B decouples these processes. This eliminates conflicts that typically degrade image generation quality.

DeepSeek Janus Pro Architecture

Source: DeepSeek's Janus Pro: Features, DALL-E 3 Comparison & More

The model integrates rectified flow techniques for stable text-to-image conversion while maintaining autoregressive processing for textual tasks. This combination—dubbed Janusflow—results in more coherent text outputs and higher-quality image generations.

How to Access Janus Pro 7B

If you’re looking to use DeepSeek Janus Pro 7B, you have two options: using the Hugging Face demo, or running it locally.

Option 1: Running Janus Pro 7B on Hugging Face

Hugging Face provides an online demo, allowing you to use Janus Pro 7B online without any setup via Hugging Face Spaces.

Option 2: Installing Janus Pro 7B Locally

To run the model locally, follow these steps:

Step 1: Clone the Repository

git clone https://github.com/deepseek-ai/Janus.git
cd Janus

Step 2: Install Dependencies

Ensure you have Python 3.8+ and pip installed. Then run:

pip install -e .[gradio]

Step 3: Run the Gradio Demo Locally

python demo/app_januspro.py

Once complete, access the Gradio interface to interact with Janus Pro 7B.

Read the Janus Pro 7B official documentation for more detailed instructions on installation and usage.

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Bottom Line

DeepSeek Janus Pro 7B is an impressive open-source multimodal AI model capable of text generation, image understanding, and text-to-image synthesis.

With strong benchmarks and an open licensing model, it's a solid choice for developers exploring unified multimodal AI applications.

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Questions or feedback?

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