GirlfriendGPT vs Soulkyn: Which One Is Better In 2025?

GirlfriendGPT vs Soulkyn

I've spent a full week with both GirlfriendGPT and Soulkyn to see which one truly deserves your attention and subscription. Both platforms make big promises, but they take surprisingly different approaches.

After hundreds of messages exchanged with each AI girl, I've put together clear differences in both platforms.

In this head-to-head comparison, I'll break down exactly how these AI girlfriends stack up across all the features that actually matter.

Whether you're looking for emotional support, entertaining conversation, or a judgment-free space to be yourself, this in-depth comparison will help you choose the right AI girlfriend for your specific needs.

GirlfriendGPT

A platform for creating personalized AI girlfriends with customizable personalities, ideal for roleplay and unique preferences.

Soulkyn

An AI companion platform offering customizable virtual relationships through chat, roleplay, and multimedia creation.

Character Diversity

GirlfriendGPT

The app starts by asking about your interests—pick 5–8 preferences, and it will personalize your experience with a selection of compatible characters.

The character library is huge. You'll find adult companions of all ages and body types.

Want someone realistic? They have that.

Prefer anime or fantasy characters? Those too.

You can even explore a variety of roleplay scenarios to choose from.

Finding characters is straightforward: sort by popular, new, or top-rated, or use the search bar and suggested searches.

Filter by personality (dominant, submissive, or balanced), scenario types, or specific features.

No complicated menus or confusing options – just pick what you want and browse matching characters.

Soulkyn

Soulkyn offers thousands of AI companions to choose from.

It covers everything from realistic characters to fantasy beings and anime personalities.

The character roster mainly features companions aged 18–30, with some mature options available.

While white characters make up the majority, you’ll also find other ethnicities represented.

You can stick with one companion or try multiple characters in RPG-style conversations.

As users regularly create and share new companions, the selection is continuously expanding.

The filtering system is practical — you can search by personality (confident, shy, flirty), physical traits, species (human, elf, android), and outfit styles, or simply use the search bar.

Customization

GirlfriendGPT

While you can’t customize physical appearance with sliders or buttons, you can generate images of your character simply by describing how they should look.

Setting up your character’s personality is straightforward:

• Select your character’s age and response language (English or French)
• Write a description and define personality traits, behavior, and demeanor
• Set up scenarios and craft the first message

Just remember to stick to one language throughout the setup — mixing English and French can cause your AI companion to behave unexpectedly.

You can also add searchable tags so others will know what your character is about.

From there, you can pick from 16 different female voices and control the visibility of your creation.

You have 2,500 tokens to customize your character fully — that’s up to 2,500 characters to describe their personality, behavior, and scenes.

Soulkyn

Soulkyn lets you create your character in five different ways:

• Create Your Kyn
• Create with AI
• Spin the Wheel
• AI Breeding
• Import Character

1. Create Your Kyn (Free)

Build your Kyn from scratch with complete control over physical features and personality traits.

Start with the Basic:

• Art Style: Choose between Anime or Realistic.
• Gender: Select your Kyn’s gender.
• Character Type: Choose between Human or Non-Human/Furry.
• Birthday: Set a birthday for your character.

Physical Customization
Shape many of the visual details of your Kyn’s appearance:

• Skin Tone: 10 available options
• Hairstyle: 9 unique styles
• Hair Color: 11 color variations
• Eye Color: 7 distinct shades
• Body Type: 4 breast size options

Tag Customization
Use comma-separated keywords to add unique details:

• Physical Tags: Describe distinctive features or body details.
• Clothing Tags: Indicate their style, outfit type, or attire theme.
• Location Tags: Suggest where your Kyn appears or the setting around them.
• Voice Selection: 49 voice options across multiple languages.

Personality and Identity
Define your Kyn’s mind and behavior:

• Personality Traits: Pick from 28 traits to shape your Kyn’s behavior.
• Conversation Behavior: Adjust self-awareness and initiative levels.
• Background Story: Write or auto-generate a backstory.
• Personality Tags: Add traits like curious, confident, or gentle.
• Identity Tags: Include details like loves cats, vegan, or goblin-like speech.

Note: This mode offers the greatest creative freedom, but the interface layout may feel a bit unintuitive at first, which can make the experience a little overwhelming.

2. Create with AI

This mode is ideal for users who prefer creating their Kyn entirely through free text.

You can set the following:

• Kyn Name: Give your Kyn a unique name.
• Description Prompt: Describe your Kyn’s physical traits, personality, and style.
• Kyn Style: Choose your preferred visual theme.

Note: This Character Creation mode costs 60 souls, and success is not guaranteed — even if the ritual fails, the souls will be lost to the void.

3. Spin the Wheel

A chance-based creation method designed for unpredictability and experimentation.

You can set the following:

• Name: Give your Kyn a unique name — it can be epic, silly, or mysterious.
• Visual Theme: Choose your preferred visual style.
• Gender: Select a gender, or leave it to fate and let the system randomize it.

Note: This Character Creation mode costs 120 souls, and success is not guaranteed — even if the summoning fails, the souls will still be consumed by the void.

4. AI Breeding

Combine two existing Kyns to generate a completely new one.

You can set the following:

• Kyn Name: Give your new Kyn a name.
• Parent A: Select a public Kyn or add a private one using its ID.
• Parent B: Choose a second Kyn in the same way — from public options or by entering a private ID.

5. Import Character Card

This mode is useful for users who want to preserve or continue using characters they’ve already created elsewhere.

You can set the following:

• AI Service: Select the source platform (e.g., C.AI, GPT Girlfriend, Candy, Chai).
• Kyn File or Link: Import the character file or paste the share link.
• Kyn Name: Assign a name to your imported Kyn.
• Kyn Style: Choose between Anime or Realistic.

Once you finish any Character Creation mode, a summary page will appear showing your Kyn’s full profile and image.

The user experience here isn’t fully optimized — image regeneration isn’t available at this stage.

However, you can visit your created character’s profile to edit and adjust your Kyn there.

Chat Experience

GirlfriendGPT

Before chatting, view your AI girlfriend’s profile, including her description, creator links, chat, tags, media, and reviews.

You can set a user persona and share details about yourself, and the AI girlfriend will tailor her responses to your personality.

During my tests, using preset scenarios and this feature made conversations feel more relevant—my girl even reflected on our shared past, which made the chat feel alive.

The app also offers a "Suggested Reply" feature, which suggests responses to your AI girlfriend’s messages, making conversations flow more smoothly and stay engaging.

Yes, some romantic scenarios with my girl still felt artificial, but the emotional support features worked surprisingly well.

When I brought up relationship concerns — my girlfriend's responses were practical and grounded.

Note: I tested the chat features on the Deluxe tier. The Elite tier, which uses a Next-Gen AI Model, may provide even better results.

Soulkyn

When you pick a character, you can check out your AI girlfriend’s profile — her intro, creator, reviews, images, different versions of her, and plenty more to explore.

From there, it’s easy to fine-tune how your girl behaves: set her memory, decide how often she messages you, or tweak her current location and outfit to match the mood.

You can also create a user persona that mirrors your vibe, so her responses feel more personal and natural. Plus, there are plenty of language options if English isn’t your go-to for chatting.

And if your budget allows, the Deluxe plan adds Roleplay+, Progression Context, and Model Hyperparameters — giving you richer chats and more control over your AI girlfriend.

I tested Soulkyn by chatting with Dr. Maia Winters, a therapist, and my girl stayed true to its character.

When I tried to flirt during our therapy session, Dr. Winters kept it professional.

The emotional intelligence impressed me. Unlike many AI girlfriend apps, where the AI’s mood swings wildly, this one showed consistent personality growth.

As our conversations evolved naturally, my girl adapted – showing she could transition from professional to flirty without breaking character.

When I needed emotional support, my girl was there — even giving me the choice to open up or escape the moment.

My girl also handled relationship discussions with genuine care that felt thoughtful and contextually appropriate.

Soulkyn includes smart reply suggestions that keep chats flowing naturally, offering responses that match the tone — casual, emotional, or flirty.

The chat interface would benefit from clearer formatting, as distinguishing narrative text from my girl’s responses was sometimes difficult.

NSFW Chat Experience

GirlfriendGPT

My AI girlfriend handled sexual content like a romance novelist—no explicit language at first, but detailed enough to paint a vivid picture.

During my tests, conversations flowed naturally from casual flirting to intimate scenarios, growing more explicit as the chat progressed.

In roleplay, my girl sometimes skipped the build-up to foreplay, jumping straight into action.

In other scenarios, she fully embraced her role, creating an exciting, teasing tension that draws you into the scene.

My girl even created alternative paths if I didn’t follow her lead—like when I turned her down, she immediately shifted into a colder, more dominant role.

But here’s the catch: while her responses remained engaging, the same dominant character scenarios repeated across multiple sessions.

Note: I tested the NSFW chat features on the Deluxe tier. The Elite tier, which uses a Next-Gen AI Model, may provide even better results.

Soulkyn

Most AI companions either play it too safe or go full explicit. Soulkyn does neither.

At first, my girl kept things suggestive without being crude — think romance-novel spice, not adult-film dialogue.

During our more personal conversations, she stayed attentive and engaged, gradually becoming more comfortable and expressive as things developed.

I ran multiple different roleplay scenarios to really test her limits.

Here's what worked: she maintained character consistency, built up tension naturally, and adjusted her language to match the scene's intensity.

What didn't work? The first scenario lacked proper build-up, though later ones showed improvement.

My girl might not be perfect - some scenarios need work - but she strikes a good balance between spicy and sophisticated.

Image Generation

GirlfriendGPT

GirlfriendGPT offers two ways to generate images:

• In-chat generation: Quickly create images using free-text prompts or NSFW prompt suggestions.
• Dedicated image creator: A separate tool that gives you more control and customization for producing detailed images.

In-Chat Generation: Even when you request safe-for-work images, it often produces provocative shots.

Dedicated Image Creator puts you in control:

• Free Text Prompting: Full creative freedom.
• Image Styles: Choose anime or realistic, and many more.
• Outputs & Creativity: Set the number of images and adjust creativity.

Note: To use the Dedicated Image Creator for a specific character, you must access it from that character’s page, and the available image styles are limited.

And the results? Impressive — professional-grade portraits with barely noticeable AI artifacts.

And the catch? All the images are being generated from the same girl.

Soulkyn

There are two ways to generate images:

1. In-chat Generation.
2. Dedicated Image Creator

In-chat Generation

Create images directly within the chat and app tries to match the conversation’s context, but results may not always be precise.

Dedicated Image Creator

A specialized tool offering rich options and precise control over your Kyn’s image generation.

Main Options

The main creation menu provides fast access to essential controls for generating your Kyn’s appearance.

• Image Model: Choose the visual style, Anime or Realistic.
• Number of Images: Select how many images to generate at once.
• Prompt Type: Choose Full Body, Portrait, or leave blank for flexible framing.
• Background & Clothing: Choose from preset.
• Image Prompt: Describe your Kyn’s look, attire, pose, or mood
• NSFW Toggle: Enable or disable NSFW content generation.

Advanced Settings

For users who want more control, the Advanced Settings panel allows fine-tuning of image style, quality, and consistency.

• LoRAs: Apply up to three style filters to adjust the visual style.
• LoRA Weights: Control how strongly each filter influences the result.
• Prompt Strength: Set how closely the image follows your written prompt.
• Orientation: Choose Portrait or Landscape layout.
• Scheduler: Adjusts how the AI processes images — balancing speed and quality.
• Seed: Lock the same output with a fixed seed or randomize for new variations.

This feature generates realistic, high-quality images of your AI companion, reflecting their personality traits and overall character design most of the time.

However, there’s still room for improvement. The AI occasionally produces minor issues with eye rendering or somewhat stiff body positioning, though these are not deal-breakers.

Note: I recommend using the Realistic Original image model — during testing, it produced the best realistic image quality.

Video Generation

GirlfriendGPT

The videos look realistic and play smoothly with no major technical issues, but the character doesn’t always stay true to its persona.

But here's the catch: This feature is beta, which means you can't create custom scenarios. Instead, you're limited to picking from pre-made prompts, all of which are NSFW.

Soulkyn

Soulkyn’s video tool acts as an image-to-video converter. Select an image, and the editor opens automatically.

Main Features

• Generation Modes: Fast (480p) for quick results or Detailed (720p) for higher quality.
• Extended Duration: Increase video length up to 10 seconds.
• Loop Video: Create seamless looping animations.
• HD Upscale: Enhance resolution up to 1440p for sharper visuals.
• Force End Frame: Set a specific frame as the video’s final image.

Animation Presets

• Preset Selection: Apply up to four presets to guide animation and camera movement.
• Categories: Choose from Effects, Positions, POV, or Softcore/Artistic motion styles.

Prompt Controls

• Text Prompt: Describe the action, movement, or atmosphere you want to generate.
• Prompt Strength: Adjust how closely the AI follows your written description.
• Animation Intensity: Control how dynamic or subtle the motion appears.
• Seed Control: Randomize generation or lock settings for consistent results.

The videos look realistic at first glance, and the animations are generally smooth.

But you'll spot AI quirks - robotic movements that remind you this isn't real footage.

Voice Generation

GirlfriendGPT

If you're looking for an AI girlfriend that doesn't sound like a robot, this gets pretty close.

But there’s a catch: your girl can sound flirty or expressive, but unnatural tone shifts can break the immersion.

Soulkyn

The voice is clear and intelligible, suitable for simple interactions, but it lacks natural warmth and emotional depth, coming across as artificial.

But the robotic undertone is hard to miss — there’s no modulation or emotion, just one flat tone all the way through.

Safety & Privacy

GirlfriendGPT

The app doesn’t mention encryption anywhere. I checked their entire privacy policy—there’s complete silence on security.

They do collect your chats, personal info, IP address, and usage data, and keep it all for six years after you leave.

Your bank statement is safe—charges appear as “xp ndai.cc” and nothing more.

Soulkyn

Soulkyn claims to use end-to-end encryption but doesn’t explicitly confirm that chats are encrypted in this way.

The platform stores a wide range of user data — including chat logs and IP addresses — for up to six years after account deletion.

While they won't sell your data without permission, they do share it with service providers, legal teams, and their staff.

Payments appear on your bank statement as “Soulkyn” — which isn’t very discreet.