2025 年最受欢迎的 50 款免费 AI 工具，无免费增值、无付费计划或无每日信用额度限制

news/2025/10/28 18:07:58/文章来源:https://www.cnblogs.com/ldyzrgy/p/19172441

Content Creation & Writing 内容创作与写作

ChatGPT Free (OpenAI) ChatGPT 免费版（OpenAI）

Functionality: A conversational AI for writing, brainstorming, research, and coding assistance. Uses GPT-5 with message limits, auto-switching to a mini model when capped.
功能：用于写作、头脑风暴、研究和编码辅助的对话式 AI。使用具有消息限制的 GPT-5，达到上限时自动切换到迷你模型。

Link: chatgpt.com
链接： chatgpt.com

Google Gemini 谷歌双子座

Functionality: A research and writing assistant integrated with Google Workspace (Docs, Sheets, Gmail) for drafting, summarization, and research. Free with a Google account.
功能：与 Google Workspace（文档、表格、Gmail）集成的研究和写作助手，用于起草、总结和研究。拥有 Google 账户即可免费使用。

Link: gemini.google.com
链接： gemini.google.com

Claude (Free Tier) 克劳德（免费套餐）

Functionality: A conversational AI for natural dialogue, content generation, and code assistance. Offers basic access to Claude 3.7 Sonnet model.
功能：用于自然对话、内容生成和代码辅助的对话式 AI。提供对 Claude 3.7 Sonnet 模型的基本访问。

Link: claude.ai
链接： claude.ai

HuggingChat 拥抱聊天

Functionality: An open-source chatbot by Hugging Face for text generation, answering questions, and creative writing. No limits on usage.
功能：Hugging Face 开发的一款开源聊天机器人，可用于文本生成、问答和创意写作。使用不受限制。

Link: huggingface.co/chat
链接：huggingface.co/chat

Le Chat (Mistral AI) 猫（Mistral AI）

Functionality: A European alternative to ChatGPT, offering text generation, document summarization, and code generation with no registration required.
功能：ChatGPT 的欧洲替代品，提供文本生成、文档摘要和代码生成，无需注册。

Link: chat.mistral.ai
链接： chat.mistral.ai

DeepSeek

Functionality: A conversational AI for answering technical queries, generating text, and basic code guidance. Free with unlimited queries.
功能：对话式人工智能，用于回答技术问题、生成文本和基本代码指导。免费，查询次数不限。

Link: deepseek.com
链接： deepseek.com

Grammarly Free Grammarly 免费

Functionality: A writing assistant for grammar, spelling, and punctuation corrections with real-time suggestions across platforms.
功能：跨平台实时建议的语法、拼写和标点符号纠正写作助手。

Link: grammarly.com
链接： grammarly.com

Hemingway Editor 海明威编辑

Functionality: Improves writing clarity by identifying complex sentences, passive voice, and readability issues. Fully free online.
功能：通过识别复杂句、被动语态和可读性问题，提高写作清晰度。完全免费在线使用。

Link: hemingwayapp.com
链接： hemingwayapp.com

EssayGenius

Functionality: Generates academic essays with structure and plagiarism detection, limited to 350 words per instance.
功能：生成具有结构和抄袭检测功能的学术论文，每篇限制为 350 个字。

Link: essaygenius.ai
链接： essaygenius.ai

Quillbot Free Quillbot 免费

Functionality: Paraphrases text to improve fluency and tone, with a limit of 125 words per request.
功能：改写文本以提高流畅度和语气，每个请求限制为 125 个字。

Link: quillbot.com
链接： quillbot.com

Image Generation 图像生成
Craiyon (DALL·E Mini) Craiyon（DALL·E Mini）

Functionality: Generates basic AI art from text prompts, unlimited usage with slower processing.
功能：根据文本提示生成基本的 AI 艺术，使用不受限制，但处理速度较慢。

Link: craiyon.com
链接： craiyon.com

Playground AI 游乐场人工智能

Functionality: Creates up to 500 watermarked images daily with various style presets for web and media use.
功能：每天创建最多 500 个带水印的图像，并使用各种样式预设供网络和媒体使用。

Link: playgroundai.com
链接： playgroundai.com

Bing Image Creator (DALL·E 3)
Bing 图像创建器 (DALL·E 3)

Functionality: Generates high-quality AI art using DALL·E 3, accessible with a Microsoft account, no strict daily limits.
功能：使用 DALL·E 3 生成高质量的 AI 艺术，可通过 Microsoft 账户访问，没有严格的每日限制。

Link: bing.com/images/create
链接：bing.com/images/create

Fotor AI Fotor 人工智能

Functionality: Offers AI-powered photo editing and basic image generation for creative visuals.
功能：提供人工智能照片编辑和基本图像生成，以实现创意视觉效果。

Link: fotor.com
链接： fotor.com

Photopea 照片

Functionality: A free, web-based Photoshop alternative with AI-enhanced editing tools for image manipulation.
功能：免费的基于网络的 Photoshop 替代品，具有用于图像处理的 AI 增强编辑工具。

Link: photopea.com
链接： photopea.com

Video Creation & Editing 视频创作与编辑
CapCut AI

Functionality: Simplifies video editing with AI-powered captions, transitions, and effects for social media content.
功能：通过人工智能字幕、转场和社交媒体内容效果简化视频编辑。

Link: capcut.com
链接： capcut.com

Pika 鼠兔

Functionality: Generates short AI videos and motion graphics for social media with unlimited usage.
功能：为社交媒体生成无限使用的简短 AI 视频和动态图形。

Link: pika.art
链接： pika.art

Lumen5

Functionality: Converts blog posts or text into engaging videos with AI-suggested scenes and music.
功能：将博客文章或文本转换为带有 AI 建议的场景和音乐的引人入胜的视频。

Link: lumen5.com
链接： lumen5.com

Descript (Free Tier) 描述（免费套餐）

Functionality: Offers AI-driven video and audio editing with transcription and text-to-speech capabilities.
功能：提供具有转录和文本转语音功能的 AI 驱动的视频和音频编辑。

Link: descript.com
链接： descript.com

NoteGPT AI PPT Maker NoteGPT AI PPT 制作器

Functionality: Converts text into professional presentations with AI-generated slides and layouts.
功能：使用 AI 生成的幻灯片和布局将文本转换为专业演示文稿。

Link: notegpt.io
链接： notegpt.io

Voice & Audio 语音和音频
ElevenLabs Free ElevenLabs 免费

Functionality: Provides text-to-speech with natural, emotion-rich voices, limited to 10,000 characters monthly.
功能：提供自然、富有情感的声音的文本转语音，每月限制为 10,000 个字符。

Link: elevenlabs.io
链接： elevenlabs.io

Voicemod Free Voicemod 免费

Functionality: Offers real-time voice modulation and effects for streaming or gaming.
功能：为流媒体或游戏提供实时语音调制和效果。

Link: voicemod.net
链接： voicemod.net

Boomy 布米

Functionality: Creates AI-generated music tracks for personal or commercial use with customizable styles.
功能：创建具有可定制风格的 AI 生成的音乐曲目，供个人或商业使用。

Link: boomy.com
链接： boomy.com

AIVA 艾瓦

Functionality: Generates royalty-free music for videos, games, or personal projects with style customization.
功能：为视频、游戏或个人项目生成具有风格定制的免版税音乐。

Link: aiva.ai
链接： aiva.ai

Mubert 穆伯特

Functionality: Produces AI-generated background music for videos and podcasts, fully free for non-commercial use.
功能：为视频和播客制作 AI 生成的背景音乐，非商业用途完全免费。

Link: mubert.com
链接： mubert.com

Coding & Development 编码与开发
Codeium Free Codeium 免费

Functionality: Offers AI-powered code completion and explanation for 70+ IDEs, free for individual developers.
功能：为 70 多个 IDE 提供 AI 驱动的代码完成和解释，对个人开发人员免费。

Link: codeium.com
链接： codeium.com

Replit AI (Ghostwriter) Replit AI（代笔）

Functionality: Provides real-time code suggestions and debugging for collaborative coding projects.
功能：为协作编码项目提供实时代码建议和调试。

Link: replit.com
链接： replit.com

Tabnine Free 塔布宁免费

Functionality: AI-driven code autocompletion for various programming languages, fully free for individual use.
功能：针对各种编程语言的 AI 驱动代码自动完成，完全免费供个人使用。

Link: tabnine.com
链接： tabnine.com

TensorFlow

Functionality: An open-source platform for machine learning, enabling custom model development for NLP and image recognition.
功能：一个用于机器学习的开源平台，支持 NLP 和图像识别的自定义模型开发。

Link: tensorflow.org
链接： tensorflow.org

GitHub Copilot (Free for Students/OSS)
GitHub Copilot（学生免费/OSS）

Functionality: Provides AI-powered code autocompletion for verified students and open-source maintainers.
功能：为经过验证的学生和开源维护者提供人工智能代码自动完成功能。

Link: github.com/features/copilot
链接：github.com/features/copilot

Productivity & Workflow Automation
生产力和工作流程自动化
Taskade 袋装

Functionality: Combines AI-powered project management, note-taking, and task automation with customizable templates.
功能：将人工智能项目管理、笔记记录和任务自动化与可定制的模板相结合。

Link: taskade.com
链接： taskade.com

Zapier AI Free Zapier AI 免费

Functionality: Automates workflows across thousands of apps with AI triggers, limited to 100 tasks monthly.
功能：使用 AI 触发器自动执行数千个应用程序的工作流程，每月限制为 100 个任务。

Link: zapier.com
链接： zapier.com

Otter.ai Free Otter.ai 免费

Functionality: Transcribes meetings and interviews with live speaker identification, up to 300 minutes monthly.
功能：记录会议和采访内容，并进行现场发言人识别，每月最多 300 分钟。

Link: otter.ai
链接： otter.ai

Trello AI (Power-Up) Trello AI（增强功能）

Functionality: Summarizes tasks and enhances productivity within Trello boards, integrated with free accounts.
功能：总结任务并提高 Trello 板内的生产力，并与免费帐户集成。

Link: trello.com
链接： trello.com

AutoKey (Linux) 自动键（Linux）

Functionality: Automates repetitive tasks on Linux with keyboard shortcuts and Python scripts, fully open-source.
功能：使用键盘快捷键和 Python 脚本自动执行 Linux 上的重复性任务，完全开源。

Link: autokey.github.io
链接： autokey.github.io

Customer Service 客户服务
Jotform AI Agents Jotform AI 代理

Functionality: Creates dynamic, conversational AI forms for data collection, fully free with basic features.
功能：创建动态、对话式 AI 表单用于数据收集，基本功能完全免费。

Link: jotform.com
链接： jotform.com

Tidio Free Tidio 免费

Functionality: Provides AI-powered chatbots for websites, handling up to 50 conversations monthly.
功能：为网站提供人工智能聊天机器人，每月处理最多 50 次对话。

Link: tidio.com
链接： tidio.com

Freshworks Free Freshworks 免费

Functionality: Offers AI-powered chatbots (Freddy AI) for ticketing and customer support, up to 10 agents.
功能：提供人工智能聊天机器人（Freddy AI）用于票务和客户支持，最多可容纳 10 名代理。

Link: freshworks.com
链接： freshworks.com

Sana Agents Sana 代理

Functionality: Automates business exchanges with conversational AI agents for sales and support tasks.
功能：通过对话式 AI 代理自动进行业务交流，以完成销售和支持任务。

Link: sana.io
链接： sana.io

Drift Free 无漂移

Functionality: Deploys AI chatbots for website visitor engagement and lead qualification, fully free.
功能：部署 AI 聊天机器人来吸引网站访问者并进行潜在客户资格认证，完全免费。

Link: drift.com
链接： drift.com

SEO & Research SEO 与研究
Perplexity AI Free 困惑人工智能免费

Functionality: A search engine with AI-powered answers and source citations, offering unlimited GPT-3.5 queries.
功能：具有人工智能答案和来源引用的搜索引擎，提供无限的 GPT-3.5 查询。

Link: perplexity.ai
链接： perplexity.ai

You.com

Functionality: Provides AI-assisted browsing and summarization with customizable assistant modes.
功能：提供 AI 辅助浏览和摘要，并具有可定制的助手模式。

Link: you.com
链接： you.com

AnswerThePublic 回答公众

Functionality: Visualizes search questions and phrases around keywords for content planning.
功能：可视化围绕关键词的搜索问题和短语，以进行内容规划。

Link: answerthepublic.com
链接： answerthepublic.com

Surfer SEO (Free Chrome Extension)
Surfer SEO（免费 Chrome 扩展程序）

Functionality: Offers real-time on-page SEO analysis and keyword density recommendations.
功能：提供实时页面 SEO 分析和关键字密度建议。

Link: surferseo.com
链接： surferseo.com

Elicit 引出

Functionality: Assists with research by summarizing academic papers and extracting key insights.
功能：通过总结学术论文和提取关键见解来协助研究。