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Which AI tools are actually free

Of the 535 tools whose pricing page explicitly offers something free, we picked 01Agent, BetterYeah 企业级AI智能体, AiWave, Aifooler, DeepSeek. 161 of the 535 also have a Chinese UI and an ICP filing; 372 have a Chinese UI. ★ Important: a free tier is not free forever — it means the pricing page states a free plan or trial. Section 3 explains our test so you can verify.

Tool	Chinese UI	ICP filed	Free tier	One line	Site
01Agent	✔	✔	✔	全流程内容创作智能体，打通“选题-生成-编辑-分发”闭环。专为小红书、公众号等国内主流平台优化，独创Smart Canvas，图文海报等提供像素级图层编辑…	Site ↗
BetterYeah 企业级AI智能体	✔	✔	✔	AI Agent智能体构建平台，基于丰富的企业内部知识库，轻松自定义AI Agent的人设、技能和工作流程，低成本打造专家级的AI数字员工	Site ↗
AiWave	✔	✔	✔	AI音效生成平台，用中文描述即可生成专业级音效	Site ↗
Aifooler	✔	✔	✔	aifooler 是一款免费的 AI 人声伴奏分离工具，无需安装，打开网页即可使用	Site ↗
DeepSeek	✔	✔	✔	幻方量化推出的AI智能助手和开源大模型	Site ↗
问小白	✔	✔	✔	AI智能助手，支持DeepSeek满血版	Site ↗
InfCode	✔	✔	✔	词元无限推出的企业级AI编程工具	Site ↗
TRAE-AI编程	✔	✔	✔	新用户赠4500积分，字节旗下Al 编程工具	Site ↗
Altair	✔	✔	✔	AI 增强的计算机辅助工程 (CAE) 使制造商能够发现机器学习引导的洞察力，通过物理和 AI 驱动的工作流程探索复杂设计问题的新解决方案…	Site ↗
Calicat	✔	✔	✔	ProcessOn团队推出的一站式产设研协作平台	Site ↗

Every cell comes from our catalogue.

Pick by your situation

Spend nothing: Pick from the 535; for Chinese UI + ICP filing, the 161.
Pay a little: Use the free tier first, then decide on the paid plan.
Mainland China: The 161 with an ICP filing — we record the filing number.

How we judge whether free is real

Is it stated on the pricing page? We only count explicit "free / free plan / free trial", not vague "sign up for credits".
Does it need a card? A trial requiring a credit card does not count.
Is the allowance one-off? New-user credits are not a free plan.
Is it a limited-time promo? We do not count those.
You can check: open each site and read its pricing page.

FAQ

What does a free tier mean here?

The pricing or landing page states free / free plan / free trial. 535 entries currently qualify.

Why not every AI tool?

For the rest we found no explicit free evidence. That does not mean they are paid; we mark it n/a rather than guess.

Do free tiers run out? Daily limit?

We record whether a free plan exists, not a daily quota — vendors define it differently and we will not invent a number.

How can I verify?

Open each site in the table and read its pricing page.