What Is Character.AI?Character.AI 是什么？
Character.AI is the AI companion and roleplay category leader: a platform where you chat with AI personas instead of a single general assistant. Its library holds 10 million+ community-created characters — anime figures, fictional and historical people, original personas — and you can build your own in minutes with a personality, backstory, greeting and avatar. It was founded in November 2021 by former Google engineers Noam Shazeer (a lead author of the Transformer paper) and Daniel De Freitas (lead designer of Google's LaMDA), and entered public beta on September 16, 2022. It runs on web, iOS and Android.Character.AI 是 AI 陪伴与角色扮演赛道的头牌：你聊的不是一个通用助手，而是一个个 AI persona。平台上有 1000 万+ 社区自创角色——动漫人物、虚构与历史人物、原创 persona——你也可以几分钟自创一个，设定性格、背景故事、开场白与头像。它由前 Google 工程师 Noam Shazeer（Transformer 论文主作者之一）与 Daniel De Freitas（Google LaMDA 主设计师）于 2021 年 11 月创立，2022 年 9 月 16 日公开测试。支持网页、iOS 与 Android。
The 2026 product is broader than text chat: voice chat with real-time conversations, AvatarFX animated expressions, multi-character rooms where several personas talk to each other, Chat Memories so characters remember past conversations, and social feeds, scenes and streams. Two 2026 subscriber additions matter most: Imagine Gallery (March 2026, c.ai+ only) brings AI image generation into conversations, and Lorebook (beta early access for c.ai+ subscribers, announced July 24, 2026) gives creators structured world-building memory. An August 22, 2026 memory announcement doubled c.ai+ Story Memory pins and expanded memory capacity and management tools. Prices per the official site.2026 年的产品已不止文字聊天：语音聊天实时对话、AvatarFX 动画表情、多角色房间（多个 persona 互相交谈）、Chat Memories（角色记得之前的对话），以及社交动态、场景与直播。2026 年两个订阅专属新增最值得注意：Imagine Gallery（2026 年 3 月，c.ai+ 专属）把 AI 图像生成带进对话，Lorebook（2026 年 7 月 24 日宣布，c.ai+ 订阅者抢先测试）给创作者结构化的世界观记忆。2026 年 8 月 22 日的记忆更新把 c.ai+ 的 Story Memory pins 翻倍，并扩大了记忆容量与管理工具。价格以官网为准。
Character.AI wins on one thing nobody else can copy quickly: the library. Ten million characters means the persona you want probably already exists, with a community refining its greeting and personality — and free unlimited messaging means the trial costs nothing but attention. The honest tradeoffs: c.ai+ is speed and convenience, not capability (the base model is the same on both plans), the free tier's ads and slow mode are genuinely annoying for daily users, and the platform's entertainment framing means it will never be your work tool. Verdict: try it free for a week with two or three characters you actually care about; pay c.ai+ only if peak-hour waiting and ads are the friction you keep hitting — and creators should weigh Lorebook and the doubled memory pins, which are the first c.ai+ perks that change what you can build, not just how fast it replies.
Character.AI 赢在一个别人短期内抄不走的东西上：角色库。1000 万个角色意味着你想要的 persona 大概率已经存在，还有社区在打磨它的开场白与性格——而免费无限聊天意味着试用成本只有注意力。真实权衡：c.ai+ 买的是速度与便利、不是能力（两档的基础模型相同），免费档的广告与慢速模式对每天用的人确实烦人，而产品的娱乐定位决定了它永远成不了你的工作工具。结论：免费试一周，认真聊两三个你真在意的角色；只有当高峰期排队与广告是你反复撞上的摩擦时再付 c.ai+——创作者则要掂量 Lorebook 与翻倍的记忆 pins，这是第一批改变“你能做出什么”、而不只是“回得多快”的 c.ai+ 权益。
— 中国吧 AI Tools Hub Editorial Team
Who Should Use Character.AI?谁适合使用 Character.AI？
✓ Good Fit For适合以下场景
- Roleplay fans and creative writers building stories with personas角色扮演爱好者与用 persona 写故事的创作者
- Fans of a fictional universe, anime or historical figure某个虚构世界、动漫或历史人物的粉丝
- Creators building original characters with Lorebook world memory用 Lorebook 世界观记忆做原创角色的创作者
✕ Not Ideal For不适合以下场景
- Teams or developers needing an API or enterprise tier — none exists需要 API 或企业版的团队与开发者——根本没有
- Coding, research or office work — use a general assistant instead编程、研究或办公——请用通用助手
- Anyone who wants an ad-free experience without paying想要不付费还无广告的人
Getting Started with Character.AICharacter.AI 快速开始
1. Sign up free at character.ai and chat with 2-3 characters you actually care about1. 在 character.ai 免费注册，先认真聊两三个你真在意的角色2. Create your own character: personality, backstory, greeting, avatar — then test it2. 自创一个角色：性格、背景、开场白、头像——然后实测它3. Only upgrade to c.ai+ if ads, slow mode or peak-hour queues keep blocking you3. 只有当广告、慢速模式或高峰期排队反复挡住你时，再升级 c.ai+Key Features核心功能
- 10M+ Community Characters1000 万+ 社区角色 — The largest AI character library: anime, fiction, history, education, entertainment — free unlimited messaging.最大的 AI 角色库：动漫、虚构、历史、教育、娱乐——免费无限聊天。
- Create Your Own Character自创角色 — Set personality, backstory, greeting and avatar in minutes; publish for the community or keep private.几分钟设定性格、背景、开场白与头像；可发布给社区，也可私藏。
- Voice Chat & AvatarFX语音聊天与 AvatarFX — Real-time voice conversations with animated expressions; unlimited voice calls on c.ai+.实时语音对话配动画表情；c.ai+ 语音通话无限。
- Multi-Character Rooms多角色房间 — Put several characters in one room and watch them interact with each other and with you.把多个角色放进一个房间，看它们互相交谈、也和你交谈。
- Chat Memories, Lorebook & Imagine Gallery记忆、Lorebook 与 Imagine Gallery — Characters remember past chats; c.ai+ gets the best memory tier, Facts, Lorebook beta (Jul 2026) and Imagine Gallery images (Mar 2026).角色记得之前的对话；c.ai+ 享有最高记忆档、Facts、Lorebook 测试版（2026 年 7 月）与 Imagine Gallery 图像（2026 年 3 月）。
Pros & Cons优缺点
✓ Pros优点
- Largest character library in the category — 10M+ personas品类最大的角色库——1000 万+ persona
- Free unlimited messaging — the trial costs nothing免费无限聊天——试用零成本
- Character creation in minutes, with rooms, voice and memory几分钟自创角色，附带房间、语音与记忆
- 2026 subscriber perks that change creation (Lorebook, memory pins)2026 年订阅权益开始改变创作本身（Lorebook、记忆 pins）
✕ Cons缺点
- Free tier has ads, slow mode and peak-hour queues免费档有广告、慢速模式与高峰期排队
- No API, no enterprise tier, no team integrations无 API、无企业版、无团队集成
- c.ai+ buys speed and convenience, not a better base modelc.ai+ 买的是速度与便利，不是更好的基础模型
- Not a general assistant — wrong tool for coding or research不是通用助手——编程或研究用它就是选错工具
Use Cases应用场景
Popular ways people use Character.AI.人们使用 Character.AI 的常见场景：
📖 Interactive Storytelling互动讲故事
Co-write scenes with a persona: set the world, let the character react, steer the plot turn by turn.和 persona 合写场景：定好世界观，让角色反应，你一回合一回合推剧情。
🎭 Roleplay with Favorite Worlds在喜欢的世界里角色扮演
Chat inside a fictional universe or with a historical figure — the library's depth is the draw.在虚构世界里聊天，或和历史人物对话——角色库的深度就是吸引力。
✍️ Character Development for Writers写作者的人物打磨
Interview your own character before writing: test how it answers, then fix the personality and Lorebook entries.动笔前先“采访”你自己的角色：看它怎么回答，再修正性格与 Lorebook 条目。
🎙️ Voice Companionship语音陪伴
Real-time voice chats with AvatarFX expressions for hands-free, characterful conversation.带 AvatarFX 表情的实时语音对话，解放双手、有角色感地聊天。
Similar AI Tools相似 AI 工具
If you want a general assistant rather than character chat, see ChatGPT. If you want the character-chat alternatives roundup (other companion and roleplay platforms compared side by side), it lives on the site's separate alternatives page — this page is the Character.AI product page itself.如果想要通用助手而非角色聊天，请看 ChatGPT。如果想要角色聊天替代品横向对比，本站另有独立的替代品汇总页——本页是 Character.AI 产品主页本身。