2026年最值得收藏的 20 个 Free AI Tools（完全免费）| 20 Free AI Tools in 2026

作者

引言

不是所有 AI 工具都要付费。这篇文章整理了 20 个完全免费的 AI 工具，涵盖写作、绘图、代码、视频、音频等场景。

为什么整理这份清单？

很多 AI 工具打着”免费试用”的旗号，实际用几次就要付费。我花了一周时间，实测了 50+ 工具，筛选出 20 个真正免费、且好用的工具。也可以在站内使用对比工具进行比较：https://digaitool.com/ai-tool-comparator/

写作类 Free AI Tools

1. ChatGPT 免费版

  • 功能：通用 AI 对话、写作辅助、代码生成
  • 限制：GPT-3.5，每天有使用次数限制
  • 链接：https://chat.openai.com

2. Claude 免费版

  • 功能：长文本理解、学术写作、对话
  • 限制：每日对话次数有限
  • 链接：https://claude.ai

3. 文心一言（国内用户友好）

4. 通义千问

  • 功能：电商文案、办公写作
  • 限制：免费
  • 链接：https://qianwen.aliyun.com

绘图类 Free AI Tools

5. Bing Image Creator

6. Canva AI

7. Leonardo.ai

代码生成类 Free AI Tools

8. Codeium

9. Amazon CodeWhisperer

10. Cursor IDE 免费版

视频类 Free AI Tools

11. CapCut

12. Pictory

  • 功能：文章转视频
  • 限制：免费试用，之后付费
  • 链接：https://pictory.ai

音频类 Free AI Tools

13. ElevenLabs 免费版

14. Adobe Podcast

办公效率类 Free AI Tools

15. Notion AI 免费试用

  • 功能：笔记、文档、AI 写作
  • 限制：免费版有 AI 次数限制
  • 链接：https://notion.so

16. Gamma

17. Otter.ai 免费版

  • 功能：会议录音转文字
  • 限制：每月 600 分钟免费
  • 链接：https://otter.ai

翻译类 Free Tools

18. DeepL 免费版

19. Google 翻译

其他实用 Tools

20. Perplexity AI

免费工具的局限性

虽然是免费的，但也要知道局限性：

局限说明
次数限制每天或每月有使用上限
功能阉割部分高级功能仅付费用户可用
速度较慢免费用户可能排队等待
数据隐私免费工具可能使用你的数据训练模型

使用建议

  1. 先用免费版测试 → 确定好用再考虑付费
  2. 组合使用多个工具 → 比如 ChatGPT 写文案 + Canva 做图
  3. 关注免费额度更新 → 很多工具会调整免费政策

总结

这 20 个 free AI tools 覆盖了大部分场景，足够你零成本搭建一套 AI 工作流。如果某个工具不够用了，再考虑付费升级。

Not all AI tools require payment. This article curates 20 completely free AI tools spanning writing, image generation, coding, video and audio production.

Why I Compiled This List

Many AI services advertise “free trials” but lock core features behind paywalls after limited uses. I tested over 50 tools within a week and shortlisted 20 genuinely free, practical options.

Free AI Tools for Writing

  1. ChatGPT Free Tier Function: General AI chat, writing assistance, code generation Limits: GPT-3.5, daily usage cap Link: https://chat.openai.com
  2. Claude Free Tier Function: Long-text comprehension, academic writing, conversations Limits: Daily message restrictions Link: https://claude.ai
  3. Wenxin Yiyan (User-friendly for Chinese users) Function: Chinese writing, translation, dialogue Limits: Unlimited free access (2026) Link: https://yiyan.baidu.com
  4. Tongyi Qianwen Function: E-commerce copywriting, office document drafting Limits: Free to use Link: https://qianwen.aliyun.com

Free AI Tools for Image Generation

  1. Bing Image Creator Function: Text-to-image generation Limits: Daily quota Link: https://www.bing.com/images/create
  2. Canva AI Function: AI-generated design assets & posters Limits: Restricted features on free plan Link: https://www.canva.com
  3. Leonardo.ai Function: High-quality AI art generation Limits: 150 free credits daily Link: https://leonardo.ai

Free AI Tools for Coding

  1. Codeium Function: VS Code code completion extension Limits: 100% free Link: https://codeium.com
  2. Amazon CodeWhisperer Function: Code generation for AWS scenarios Limits: Free for individual users Link: https://aws.amazon.com/codewhisperer
  3. Cursor IDE Free Tier Function: AI-native code editor Limits: Monthly usage limits Link: https://cursor.com

Free AI Tools for Video

  1. CapCut Function: AI video editing, auto subtitle generation Limits: Sufficient features on free version Link: https://www.capcut.com
  2. Pictory Function: Article-to-video conversion Limits: Free trial only, paid subscription afterward Link: https://pictory.ai

Free AI Tools for Audio

  1. ElevenLabs Free Tier Function: AI voice synthesis Limits: 10,000 free characters monthly Link: https://elevenlabs.io
  2. Adobe Podcast Function: AI audio enhancement & noise reduction Limits: Free of charge Link: https://podcast.adobe.com

Free AI Tools for Office Productivity

  1. Notion AI Free Trial Function: Note-taking, document editing, AI writing Limits: AI usage quota on free plan Link: https://notion.so
  2. Gamma Function: AI presentation generator Limits: Limitations for free users Link: https://gamma.app
  3. Otter.ai Free Tier Function: Meeting audio transcription Limits: 600 free minutes monthly Link: https://otter.ai

Free AI Tools for Translation

  1. DeepL Free Tier Function: High-quality AI translation Limits: Monthly character limit Link: https://www.deepl.com
  2. Google Translate Function: Multilingual translation Limits: Fully free Link: https://translate.google.com

Other Practical Free AI Tools

  1. Perplexity AI Function: AI search engine Limits: Restrictions on free tier Link: https://www.perplexity.ai

Limitations of Free AI Tools

Even these free tools have drawbacks:

  • Usage caps: Daily or monthly access limits
  • Restricted features: Advanced functions exclusive to paid plans
  • Slower performance: Queuing may apply to free users
  • Data privacy risks: Free platforms may use your data for model training

Usage Tips

  1. Test tools on free tiers first; upgrade to paid plans only if necessary
  2. Combine multiple tools (e.g., draft content with ChatGPT + create visuals with Canva)
  3. Keep track of quota updates, as free policies are subject to change

Wrap-up

These 20 free AI tools cover most common scenarios, enabling you to build a zero-cost AI workflow. Upgrade to paid services only when free resources can no longer meet your demands.

If you are looking for cost-free AI productivity software, check out this curated list of 20 genuinely free AI tools tested and screened for daily work.

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