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NextChat

by NextChatAppGet organised

Gives you your own chat app for Claude, GPT, Gemini, DeepSeek and other models

View on GitHub

About NextChat

NextChat is an open-source AI chat app you can run on your desktop or deploy as your own web page. Add keys for providers such as OpenAI, Anthropic, Google or DeepSeek and chat with them in one window.

For People with their own API keysPeople who deploy their own pageUsers of several AI models

Made by NextChat

NextChat is made by the open-source ChatGPTNextWeb project on GitHub, which also offers a hosted NextChat service at nextchat.club.

Stars
★ 89k
License
MIT
Cost
Usage-based
Platforms
Mac · Win · Linux
Runs
Local · Self-hosted

Screenshots

From the project's own repository · 2 images, swipe or use the arrows.

NextChat in light and dark themes, with the mask picker and a chat showing a formula
The NextChat settings page next to the saved prompt list
Image: NextChat (MIT). Original file

Overview

NextChat is an open-source AI chat app that you run as a small desktop client or deploy as your own web page. You add API keys for providers such as OpenAI, Anthropic, Google or DeepSeek, then chat with any of them in one window, with saved prompt templates called masks, Markdown and code display, and chats stored in your browser. It suits people who already pay for API access and want one simple chat window for several models.

It is a light, long-running open-source chat client: one window for many model providers, with your chat history kept in your own browser.

Try these first

Start with the first one: it is a small task you can check easily.

  1. Hello. Which model are you, and what is today's date as far as you know?First try

  2. Act as an English translator and improve this paragraph: [paste text]

  3. Summarise this long chat so far into five points I can keep.

  4. Write a short HTML page for a bake sale flyer and show it as an artifact.

Example prompts written by Agent Flows Hub.

Features

From the creator's documentation.

FeatureWhat it doesRuns
Many providersOpenAI, Anthropic, Google, DeepSeek, Azure, Baidu, Alibaba and self-hosted modelsYour API keys
MasksSaved prompt templates that start a chat with a set roleYour browser
Local historyChats are stored in your browser, with long chats compressed to save tokensYour browser
ArtifactsPreview, copy and share generated web pages in a separate windowYour browser
Own web pageDeploy your own copy with Vercel's one-click button and an access passwordYour Vercel account
MCP toolsConnect MCP servers, after turning on ENABLE_MCP when you build itYour server

Good to know

Use one chat window for several model providers with your own API keys. Install the desktop client, or deploy your own web copy with the Vercel button and set an access password.

Limits

  • The newest desktop installers on the releases page are from version 2.15.8 (November 2024); later versions, including 2.16.1, have no installers attached.
  • The README also promotes a separate hosted NextChat service at nextchat.club. This entry covers the open-source app, which needs your own provider API keys.

Notes by (original project name: NextChat (ChatGPT-Next-Web)), written from the creator's documentation, not from running it ourselves. NextChat README: features, get started and environment variables · NextChat releases

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