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What is R1 1776?

Perplexity AI has unveiled R1 1776 as an open-source large language model (LLM) constructed on the DeepSeek R1 framework, aimed at promoting transparency and facilitating collaborative endeavors in AI development. This release allows researchers and developers to delve into the model's architecture and source code, enabling them to refine and adapt it for various applications. Through the public availability of R1 1776, Perplexity AI aspires to stimulate innovation while maintaining ethical principles within the AI industry. This initiative not only empowers the community but also cultivates a culture of shared knowledge and accountability among those working in AI. Furthermore, it represents a significant step towards democratizing access to advanced AI technologies.

What is DeepSeek-V4?

DeepSeek-V4 is a cutting-edge open-source AI model built to deliver exceptional performance in reasoning, coding, and large-scale data processing. It supports an industry-leading one million token context window, allowing it to manage long documents and complex tasks efficiently. The model includes two variants: DeepSeek-V4-Pro, which offers 1.6 trillion parameters with 49 billion active for top-tier performance, and DeepSeek-V4-Flash, which provides a faster and more cost-effective alternative. DeepSeek-V4 introduces structural innovations such as token-wise compression and sparse attention, significantly reducing computational overhead while maintaining accuracy. It is designed with strong agentic capabilities, enabling seamless integration with AI agents and multi-step workflows. The model excels in domains such as mathematics, coding, and scientific reasoning, outperforming many open-source alternatives. It also supports flexible reasoning modes, allowing users to optimize for speed or depth depending on the task. DeepSeek-V4 is compatible with popular APIs, making it easy to integrate into existing systems. Its open-source nature allows developers to customize and scale it according to their needs. The model is already being used in advanced coding agents and automation workflows. It delivers a strong balance of performance, efficiency, and scalability for real-world applications. Overall, DeepSeek-V4 represents a major advancement in accessible, high-performance AI technology.

Media

Media

Integrations Supported

CSS
Dart
DeepSeek
DeepSeek-V4-Flash
DeepSeek-V4.1-Flash-1017
Go
HTML
Java
Kotlin
Kubernetes
Lua
OpenClaw
PHP
R
Rust
Solidity
Swift
Vercel AI Gateway
YAML
ZooClaw

API Availability

API Availability

Has API

Pricing Information

Free
Open source
Free Version

Pricing Information

Free
Open source
Free Version

Supported Platforms

Windows
Mac
On-Prem
Linux

Supported Platforms

SaaS
Windows
Mac
On-Prem
Linux

Customer Service / Support

Not specified

Customer Service / Support

Not specified

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Perplexity AI

Date Founded

2022

Company Location

United States

Company Website

www.perplexity.ai/

Company Facts

Organization Name

DeepSeek

Date Founded

2023

Company Location

China

Company Website

deepseek.com

Categories and Features

AI Models

Not specified

Large Language Models

Not specified

Open-Weight AI Models

Not specified

Categories and Features

AI Coding Models

Not specified

AI Models

Not specified

Large Language Models

Not specified

Open-Weight AI Models

Not specified

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