# 9AI Tools / 9AI工具箱

> A hand-picked directory of the best AI tools for image, video, writing, audio, coding and office work. Every tool is tested and described in one honest line. Bilingual: English by default, Chinese for visitors from China (or ?lang=zh).
> 人工精选的 AI 工具导航站：图片、视频、写作、音频、编程和办公。每个工具只有一句实在的短评。默认英文，中国访客自动中文（或 ?lang=zh）。

## Chat & Writing / 聊天写作

- [ChatGPT](https://chatgpt.com): The most popular AI chatbot for writing, coding and everyday questions. Freemium.
- [Claude](https://claude.com): Anthropic's chatbot, strong at long documents and careful reasoning. Freemium.
- [DeepSeek](https://chat.deepseek.com): Powerful open-weight reasoning model, free to chat and cheap via API. Free. Works in China.
- [Kimi](https://kimi.com): Moonshot's long-context chatbot, reads huge files and web pages. Freemium. Works in China.
- [Doubao](https://doubao.com): ByteDance's all-round AI assistant for chat, writing and images. Free. Works in China.
- [Tongyi Qianwen](https://tongyi.aliyun.com): Alibaba's Qwen chatbot for writing, coding and office work. Freemium. Works in China.
- [Perplexity](https://perplexity.ai): AI search engine that answers with cited sources. Freemium.
- [Gemini](https://gemini.google.com): Google's AI assistant, tied into Search, Docs and Gmail. Freemium.

## Image / 图片

- [Midjourney](https://midjourney.com): The go-to image generator for beautiful, artistic pictures. Paid.
- [Leonardo.Ai](https://leonardo.ai): Image generation with fine control, models and game assets. Freemium.
- [Ideogram](https://ideogram.ai): Best AI image generator for getting text right inside pictures. Freemium.
- [Stable Diffusion](https://stability.ai): Open image model you can run locally and customize freely. Free.
- [Flux](https://blackforestlabs.ai): Black Forest Labs' sharp, photorealistic image model. Freemium.
- [Jimeng](https://jimeng.jianying.com): ByteDance's image and video studio, easy to use in China. Freemium. Works in China.

## Video / 视频

- [Runway](https://runwayml.com): Text- and image-to-video studio for creators, Gen-4 and Aleph. Freemium.
- [Kling](https://kling.ai): Kuaishou's video model, strong motion and cinematic clips. Freemium. Works in China.
- [Luma Dream Machine](https://lumalabs.ai): Dream Machine turns text and images into smooth video. Freemium.
- [Pika](https://pika.art): Fun, effect-heavy video generator, great for social clips. Freemium.
- [Sora](https://openai.com/sora): OpenAI's video model with a social feed of generated clips. Paid.
- [Hailuo](https://hailuoai.com): MiniMax's video model for smooth, lifelike motion. Freemium. Works in China.

## Audio / 音频

- [Suno](https://suno.com): Type a prompt, get a full song with vocals. Freemium.
- [Udio](https://udio.com): High-quality AI music generation with detailed style control. Freemium.
- [ElevenLabs](https://elevenlabs.com): The most realistic AI voices, dubbing and voice cloning. Freemium.
- [Stable Audio](https://stableaudio.com): Stability AI's music and sound-effect generator for videos. Freemium.

## Coding / 编程

- [Cursor](https://cursor.com): AI-first code editor that writes, edits and explains code in your project. Freemium.
- [GitHub Copilot](https://github.com/features/copilot): GitHub's AI pair programmer, inside VS Code and JetBrains. Paid.
- [v0](https://v0.dev): Vercel's tool that turns prompts into working web UIs. Freemium.
- [Bolt](https://bolt.new): Build full-stack web apps by chatting, from StackBlitz. Freemium.
- [Windsurf](https://windsurf.com): Codeium's agentic IDE that plans and edits across files. Freemium.

## Productivity / 办公效率

- [Notion AI](https://notion.com): Write, summarize and organize inside Notion. Paid.
- [Grammarly](https://grammarly.com): Fixes grammar and rewrites text in clear English. Freemium.
- [Canva](https://canva.com): Design anything with AI help: slides, posters, social posts. Freemium.
- [Gamma](https://gamma.app): Turns a prompt into polished slides, docs and webpages. Freemium.
- [Metaso](https://metaso.cn): Chinese AI search with clean answers and sources. Freemium. Works in China.
- [Tiangong](https://tiangong.cn): Kunlun's all-in-one AI office: writing, slides, sheets. Freemium. Works in China.

## FAQ

- Best AI image generator? Midjourney for artistic images, Ideogram when the picture needs text, Flux for photorealistic results.
- Best AI video generator? Kling for cinematic motion, Runway for creator workflows, Luma for smooth everyday clips.
- Are these AI tools free? Most offer a free tier or trial; paid-only tools are marked Paid on the site.

## Full list

- See /llms-full.txt for every tool with full Chinese and English descriptions.