# DeepSeek Chat

> Conversational AI assistant with open-weights reasoning and general language models

DeepSeek Chat is a conversational AI interface offering access to DeepSeek's language and reasoning models, including DeepSeek-R1. It provides step-by-step reasoning visibility, web search, and document upload for complex logic, programming, and system prompt generation.

Website: https://chat.deepseek.com/

## What it is for

- Generate structured system prompts and conversational workflows for AI voice agents
- Reason through complex logic, math, and multi-turn dialogue architectures
- Analyze uploaded documents and extract structured data
- Write and debug programming code with visible chain-of-thought steps

## Features

- DeepThink (R1) reasoning mode with visible reasoning traces
- Integrated web search capability
- Document and file upload support for long-context analysis
- Code generation and syntax highlighting
- Chat history and conversation management

## Pricing

Freemium. Free to use via web interface; API access priced per token

## Details

- Type: Web app
- Category: [AI](https://xiry.app/topics/ai.md)
- Topic: [AI Chatbots](https://xiry.app/topics/ai/ai-chatbots.md)
- Open source: yes
- Platforms: Web, iOS, Android, API
- For: Developers, prompt engineers, researchers, and general users needing advanced reasoning models.
- Alternative to: ChatGPT, Claude, Perplexity
- Tags: deepseek, llm, reasoning, prompt engineering, ai agent, chatbot

## Why it was saved

- [@ibrahimkashai_, 3 February 2025](https://www.instagram.com/reel/DFnmiAtNlS3/): Generates a structured system prompt and dialogue flow for an inbound medical clinic receptionist by adapting existing agent templates.

## Compare

- [Alternatives to Claude](https://xiry.app/alternatives/claude.md)
- [Alternatives to Perplexity](https://xiry.app/alternatives/perplexity.md)
- [Alternatives to ChatGPT](https://xiry.app/alternatives/chatgpt.md)

## Related

- [CustomGPT.ai](https://xiry.app/resources/customgpt-ai): No-code platform building custom AI chatbots from website sitemaps and business documents (Web app, Paid)
- [DeepSeek](https://xiry.app/resources/deepseek): Open-weights AI models and chat interface for reasoning, coding, and research. (AI model, Freemium)
- [Google Gemini](https://xiry.app/resources/google-gemini): Conversational AI assistant built on Google's large language models (Web app, Freemium)
- [Vercel Chat SDK Patterns and Code Snippets](https://xiry.app/resources/vercel-chat-sdk-patterns-and-code-snippets): Code patterns for building cross-platform chat bots with Vercel Chat SDK (Tip, Open source)
- [DeepSeek-R1](https://xiry.app/resources/deepseek-r1): Open-source reasoning model rivaling proprietary models in math, code, and logic (AI model, Open source)
- [Prompt Engineering (Google Whitepaper)](https://xiry.app/resources/prompt-engineering-google-whitepaper-2086): A comprehensive guide to prompt engineering techniques and LLM parameters by Google. (Article or course, Free)

Updated 3 October 2026. Page: https://xiry.app/resources/deepseek-chat

Make your own library: Xiry takes your saved reels, tweets, Reddit bookmarks and Watch Later videos, makes them searchable and pulls the useful stuff out, like this library. It's invite-only for now; join the waitlist at https://xiry.app/#waitlist.