# Character.AI vs Side Reader Character.AI records 154,156,370 monthly visits with +2.2% month-over-month growth and Freemium pricing. Side Reader records 355 monthly visits with -36.5% growth and Freemium pricing. | Metric | [Character.AI](https://openaitools.app/tool/character-ai) | [Side Reader](https://openaitools.app/tool/side-reader) | | :--- | :--- | :--- | | Website URL | https://character.ai | https://www.side-reader.com | | Categories | AI Chatbot, AI Character | AI PDF, AI Reader, AI Chatbot, AI PDF Summarizer | | Pricing Model | Freemium | Freemium | | Monthly Visits | 154,156,370 | 355 | | MoM Growth Rate | +2.2% | -36.5% | | Primary Market | United States | Vietnam | | Direct Visits | 110,733,293 | 149 | | Review Score | 4.4 | 2.4 | | Saved Count | 77 | 0 | | Supported Platforms | Website | Website | ## Character.AI Character.AI is one of the best-known consumer AI chat platforms. Instead of talking to a single general assistant, you pick from a huge library of characters created by the community and by the company — anime heroes, historical figures, fictional companions, tutors, therapists-in-spirit and more — and hold open-ended conversations with them. The homepage currently advertises access to 10M+ characters and sign-up takes seconds via Google, Apple or email. The creative side is a big part of the appeal: you can build your own character, define their backstory and personality, give them a voice, and share them with other users. Text chat is the core, with voice conversation and Voice Notes available, and the experience is built around long-form, in-character roleplay rather than short task-style answers. Character.AI offers a free tier and a premium subscription (c.ai+) that adds benefits such as priority access during busy periods and faster responses. Because much of the content is user-generated, the platform publishes safety policies and an age rating, and it has become a cultural phenomenon for AI roleplay, fandom interaction and casual companionship. **Pricing & Plans:** Freemium. A free tier covers core character chat, with an optional c.ai+ subscription for perks like priority access and faster response times. - **Millions of characters:** Browse and chat with a vast library of community and official characters across genres and fandoms. - **Create your own personas:** Design a character's look, backstory, personality and voice, then share it with the community. - **Voice conversation:** Talk with characters using voice chats and Voice Notes, not just typed messages. - **Deep roleplay:** Long-form, in-character conversations built for storytelling and immersion rather than quick answers. - **Community and safety tools:** User-generated content is paired with published safety policies and an age rating. **Strengths:** Enormous library of ready-made characters; Powerful character creation with voice and personality settings; Free tier plus optional premium perks; Strong roleplay and voice experience **Limitations:** Quality varies because characters are largely user-generated; Some content is behind an age or maturity rating; Heavy use during peak times can mean waiting queues on the free tier [Profile (Markdown)](https://openaitools.app/tool/character-ai.md) ## Side Reader Side Reader exists to remove the friction of working with documents and AI chatbots at the same time. Normally you either paste chunks of a PDF into a chat window or juggle two tabs and lose your place. Side Reader is a Chrome extension that renders the PDF in the sidebar of ChatGPT, Claude or DeepSeek, so the document and the conversation sit side by side. Once a PDF is open you use built-in action buttons to summarize, translate or explain content, and you can customize those button prompts so the AI answers in your preferred format. For content that cannot be selected — charts, infographics, scanned images — a screenshot question lets you ask about a region of the page directly. The reader itself supports zoom, page navigation and width adjustment, so it behaves like a normal PDF viewer rather than a stripped-down preview. Privacy is handled simply: PDFs are stored locally in your browser and Side Reader does not keep your files. Because the AI work happens inside the ChatGPT, Claude or DeepSeek session you are already using, Side Reader adds document handling rather than a separate subscription to yet another model. **Pricing & Plans:** Freemium. The core Chrome extension is available to install, with a paid upgrade for extended usage; check the extension listing for current limits. - **Read PDFs beside the chat:** PDFs render directly in the sidebar next to the chat, so your document and the AI conversation are visible at the same time. - **Summarize, translate and explain:** Summarize a whole document, translate it, or have passages explained in simpler terms using the AI you are already signed into. - **Custom action button prompts:** Built-in buttons cover the common actions, and you can edit their prompts to make the AI respond in the format and tone you need. - **Screenshot questions for non-selectable content:** Ask about charts, scans or regions that cannot be selected by taking a screenshot question instead. - **Local storage and a proper reader:** Files stay local in your browser and are not stored by Side Reader, and PDFs keep zoom, page navigation and width controls. **Strengths:** Keeps the PDF and the AI conversation visible in the same window; Works with ChatGPT, Claude and DeepSeek rather than locking you into one model; Local-only file storage — documents are not kept on Side Reader servers; Customizable action prompts for repeatable workflows **Limitations:** Requires an active ChatGPT, Claude or DeepSeek session to do the AI work; Chrome only — no Firefox, Safari or Edge-specific edition; Very new/small product, so the feature set is still evolving [Profile (Markdown)](https://openaitools.app/tool/side-reader.md) ## Frequently Asked Questions ### How do Character.AI and Side Reader compare in monthly traffic? Character.AI has 154,156,370 monthly visits, while Side Reader has 355. Traffic estimates describe audience size, not product quality. ### How do their growth rates compare? Character.AI has a month-over-month growth rate of +2.2%; Side Reader has -36.5%. ### How does pricing compare? Character.AI: Freemium. Freemium. A free tier covers core character chat, with an optional c.ai+ subscription for perks like priority access and faster response times. Side Reader: Freemium. Freemium. The core Chrome extension is available to install, with a paid upgrade for extended usage; check the extension listing for current limits. ## Alternatives | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [JanitorAI](https://openaitools.app/tool/janitorai) | 125,494,484 | -5.1% | Freemium | Features community-driven roleplay with flexible LLM routing and adult content support, unlike Character.AI's strict filtering. | [.md](https://openaitools.app/tool/janitorai.md) | | 2 | [SpicyChat AI](https://openaitools.app/tool/spicychat-ai) | 69,595,866 | 0% | Freemium | Offers unfiltered and NSFW character roleplay with multi-model switching, whereas Character.AI strictly enforces safety filters. | [.md](https://openaitools.app/tool/spicychat-ai.md) | | 3 | [Candy AI](https://openaitools.app/tool/candy-ai) | 68,041,908 | +8.5% | Freemium | Specializes in virtual romantic companions with voice and photo generation, catering more to dating roleplay. | [.md](https://openaitools.app/tool/candy-ai.md) | | 4 | [PolyBuzz](https://openaitools.app/tool/polybuzz) | 52,980,967 | -4.6% | Freemium | Features millions of user-generated personas with voice playback, offering a similar casual roleplay experience to Character.AI. | [.md](https://openaitools.app/tool/polybuzz.md) | | 5 | [Emochi](https://openaitools.app/tool/emochi) | 35,511,219 | +10.3% | Freemium | Focuses on immersive storytelling and fictional character chats, providing an alternative community roleplay environment. | [.md](https://openaitools.app/tool/emochi.md) | | 6 | [CrushOn.AI](https://openaitools.app/tool/crushon-ai) | 22,595,379 | +6.5% | Freemium | Provides completely unfiltered anime and fantasy character chats, bypassing Character.AI's rigid safety restrictions. | [.md](https://openaitools.app/tool/crushon-ai.md) | | 7 | [Talkie AI](https://openaitools.app/tool/talkie-ai) | 5,467,595 | -6.8% | Free | Combines character chat with persistent memory and visual companions, competing directly in casual roleplay. | [.md](https://openaitools.app/tool/talkie-ai.md) | | 8 | [NovelAI](https://openaitools.app/tool/novelai) | 5,312,740 | +4.9% | Free Trial | Excels at long-form fiction writing and collaborative storytelling rather than structured character chat rooms. | [.md](https://openaitools.app/tool/novelai.md) | | 9 | [SciSpace](https://openaitools.app/tool/scispace) | 4,464,111 | +8.6% | Freemium | AI research platform for reading, understanding and writing scientific papers | [.md](https://openaitools.app/tool/scispace.md) | | 10 | [Kindroid](https://openaitools.app/tool/kindroid-ai) | 3,079,692 | +5.8% | Freemium with paid subscription tiers and free trial | Delivers deeper personal companion dynamics with advanced memory and realistic selfie generation, but fewer public characters. | [.md](https://openaitools.app/tool/kindroid-ai.md) | --- Source: https://openaitools.app/compare/character-ai-vs-side-reader More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)