Kupid AI vs Soulkyn: Which AI Companion Platform Wins?

AI companions are popular for a reason. Unlike human companions, AI companions are available 24/7, offering emotional support, opportunities for connection, and creative collaboration.

As their popularity grows, more and more AI companion platforms enter the space. With so many options available, it can be difficult to distinguish between low-quality platforms designed to make a quick profit and those offering genuinely immersive experiences. To make the search for the right AI companion platform a little easier, we are going to compare two platforms, Kupid AI and Soulkyn, to see how they compare on companion variety, NSFW AI calls, and memory.

Kupid AI

Kupid AI is an uncensored AI companion platform established in 2022. Users can create their own custom AI character with over 40 customization options for both realistic and anime companions. One of the platform’s biggest strengths is its NSFW AI call feature. Calls on Kupid AI include natural intonation and other details that ‘make speech feel alive instead of recited.’ Proactive messaging is another feature of the platform that has won users over. Kupid AI companions can initiate conversations by sending messages or voice notes, helping interactions feel more natural and authentic.

Although there is a wide range of customization options, the platform has roughly 20 pre-built companions available, which is drastically low compared to other AI companion platforms. A recent Kupid AI update has also been critiqued by reviewers for the negative impact it had on the platform’s memory system. Reviewers have stated that companions now have a memory span of ten messages, which makes it difficult to build a meaningful and consistent connection. Some users have also reported billing issues. One user reported being charged seven times for a one-time payment, while another said they were charged a monthly subscription fee after switching back to a free account.

Soulkyn

The Soulkyn landing has two banner rows set against a black background. The top banner is for ‘Featured Kyns.’ The bottom banner is for ‘AI RPG Kyns.’ The menu is on the left of the page. The Soulkyn logo rests on the top left corner.

Soulkyn AI is an uncensored AI roleplay platform where users can customize an AI companion or choose from a diverse library of over 120,000 community-created AI characters. Far from generic chatbots, kyns are rich in detail and have their own distinct quirks and personalities that carry across in every feature, whether you’re chatting, calling, or sharing photos. Soulkyn’s NSFW call feature helps AI companions retain their voices and personalities, with natural pauses, emotional expression, and emphasis on specific words and phrases that make conversations feel more lifelike. Soulkyn recently expanded voice support to ten languages: English, French, Spanish, German, Portuguese, Italian, Russian, Japanese, Korean, and Chinese.

Kyns are designed for long-term interactions, so memory is one of the platform’s highest priorities. Soulkyn’s enhanced memory system ensures that when you create a kyn, you are building an AI girlfriend that remembers you. Kyns can recall details, user preferences, memories, and shared moments that make a connection feel natural. The platform does not believe in gatekeeping: Soulkyn’s advanced memory system is available on all subscription tiers. The platform is also fully multimodal, allowing users to interact with Soulkyn AI companions through chats, images, videos, and integrated Lovense toys.

However, the level of creative freedom that Soulkyn offers isn’t for everyone. Users seeking AI companions for platonic interactions may be more comfortable on a platform that offers strict censorship.

Ready to see the difference for yourself? You can talk to AI instantly with Soulkyn’s free chat feature; no sign-up or credit card required to get started.

How to find the right AI companion platform

There’s more to choosing an AI companion platform than comparing features. There are subscription costs, community culture, memory systems, security and billing discretion. While it’s impossible to know everything before you experience the platform yourself, you can learn a lot about a platform from user reviews. And while it’s time-consuming work, it’s worth it. Without adequate research, users risk getting locked into a paid subscription plan with an AI companion platform that doesn’t meet their needs.