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Best Free AI Tools in 2026

No budget? No problem. These powerful AI tools offer generous free tiers for writing, coding, image generation, and more.

1
ChatGPTFreemiumAI聊天

OpenAI's conversational AI assistant

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2
DeepSeekFreeAI聊天

深度求索推出的高性能开源大模型

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3
Stable DiffusionFreeAI绘画

Open-source AI image generation

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4
CodeiumFreeAI编程

免费 AI 代码补全工具，支持 70+ 编程语言和主流 IDE

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5
Canva AIFreemiumAI设计

Canva 集成的 AI 设计功能，支持一键生成设计、AI 图片和文案

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6
GrammarlyFreemiumAI写作

AI 英语写作辅助工具，提供语法检查、风格改进和语气调整

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7
PerplexityFreemiumAI搜索

AI-powered search engine with citations

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8
Leonardo AIFreemiumAI绘画

AI 图像生成平台，适合游戏美术和概念设计创作

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