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JanitorAI
ChatGPT
DreamGF
AI Dungeon
Spicy Chat AI
NovelAI
Engage in open-ended conversations and collaborations with AI-based characters and create your own characters for yourself and others to enjoy. Character.ai is a social platform for creating and interacting with advanced AI chatbots.

Springer Link
Emerald Insight
ProQuest
Sage Journals
Loc.gov
IntechOpen
Asce Library
ScienceDirect provides subscription-based access to a large database of scientific and medical...

Which is more popular?
Based on our record, ScienceDirect should be more popular than character.ai. It has been mentioned 20 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | character.ai | sciencedirect.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
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How often each product is chosen within a category, 0–100% relative to the other.


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External articles and on-site reviews we used to compare the two products.


You can build a character that’s gentle, fiery, or downright feral — then switch up the tone mid-conversation. The platform is surprisingly flexible with mood shifts, so if you start with pillow talk and end up deep...
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Recommendations tracked on public social media and blogs since March 2021.


– In 2024, Apple released a technical paper revealing that "Apple Intelligence" was trained on TPUs, bypassing NVIDIA entirely – Top AI models like Claude (Anthropic), Midjourney, and Character.ai rely heavily on Google because they... - Source: dev.to / 9 months ago
Honestly, 2025 is already insane enough. Platforms like Character AI and Pollybuzz are absolutely exploding. Millions of people around the world wake up and the first thing they say is “good morning” to their AI girlfriend, then spend... - Source: dev.to / 11 months ago
Meta's mission is to build the future of human connection totally makes sense if you assume they believe that the future of human connection is with an AI friend. That https://character.ai is so enormously popular with people who are... - Source: Hacker News / 12 months ago
You can research some more in those two sites (especially in sciencedirect.com, you can filter by open studies if you are broke like me). Source: over 3 years ago
That's incorrect. You also need to get some better sources. EPA.gov, the ICCT report, and sciencedirect.com are highly political institutions. Source: over 3 years ago
First of all, sciencedirect.com is not a peer reviewed science site. it gets a 2 out of 4 stars when rated by actual scientists. Source: almost 4 years ago
When comparing character.ai and ScienceDirect, you can also consider the following products.


Springer Link is a website offering access to millions of articles, research papers, books, and journals to researchers and students.
Compare Springer Link to character.ai or ScienceDirect:


Emerald Insight is a website that offers you thousands of books, articles, journals, and research papers on virtually all subjects from physical sciences such as physics and chemistry, to life sciences such as botany and zoology.
Compare Emerald Insight to character.ai or ScienceDirect:

ChatGPT is a powerful, open-source language model.
Compare ChatGPT to character.ai or ScienceDirect:

ProQuest is a website that serves as an online educational hub where you can get eBooks, journals, research papers, articles, and even audios, videos, historical news, and magazines on any topic, subject, or fields such as physical sciences, health …
Compare ProQuest to character.ai or ScienceDirect: