Affiny Wiki
AI Companion Reference Wiki
Definitions, platform explainers, feature guides, and comparison tables — everything you need to understand the AI companion space in 2026.
Core Concepts
Foundational definitions — what AI companions are, how they work, and what separates them from ordinary chatbots.
What Is an AI Girlfriend? How It Works + What to Expect
An AI girlfriend is a romantic AI companion with persistent memory, a consistent personality, and often real-time voice. This guide explains exactly how they work, what the experience is like, and what to look for in 2026.
What Is an AI Boyfriend? How It Works + What to Expect
An AI boyfriend is a romantic AI companion with a consistent masculine personality, persistent memory, and often real-time voice. This guide explains how they work, what the experience feels like, and what to look for in 2026.
What Is an AI Companion? Complete 2026 Guide
An AI companion is a conversational AI built for ongoing relationship — not task completion. This guide explains what AI companions are, how they differ from chatbots, and what separates good from bad in 2026.
What Is AI Roleplay? Voice vs Text, Explained
AI roleplay is collaborative storytelling with an AI partner — in text or live voice. This guide explains how it works, the difference between text and voice roleplay, content policies across platforms, and what Roleplay Mode actually does.
What Is Uncensored AI? Why Filters Exist + Alternatives
Uncensored AI refers to AI systems that allow adult and mature content without blocking it. This guide explains why platforms filter content, what 'uncensored' actually means in practice, and which platforms allow adult AI companion conversations.
What Is Voice AI? Real-Time AI Voice Calls Explained
Voice AI in companion platforms means real-time bidirectional speech — you speak, the AI speaks back, live. This guide explains how it works, why it feels different from text chat, and what separates real voice from basic text-to-speech.
What Is Persistent Memory in AI Companions? Full Guide
Persistent memory is what makes AI companions feel like real relationships — not isolated chat sessions. This guide explains how it works, why most platforms get it wrong, and what genuine cross-session memory looks like in practice.
AI Companion vs Chatbot: What's the Actual Difference?
AI companions and chatbots are both conversational AI, but they serve fundamentally different purposes. This guide explains the technical and experiential differences — memory, identity, purpose, voice — and when you'd use each.
Platform Explainers
What each major AI companion platform is, what it does well, and where it falls short.
What Is Character AI? Features, Limits & Alternatives
Character AI is the most-visited AI chat platform in the world, with millions of characters for creative roleplay and casual conversation — but it has strict content filters and no adult content. Here's what it does, what it doesn't, and what to use instead.
What Is Candy AI? Features, Pricing & Honest Review (2026)
Candy AI is an AI companion platform focused on image generation and adult chat. This guide explains what Candy AI does well, where it falls short, and how it compares to alternatives for different use cases.
What Is Replika? History, Features & 2026 Status
Replika is one of the oldest AI companion apps, originally designed for emotional support. This guide covers what Replika is, the 2023 ERP controversy, current features, pricing, and who it's best suited for today.
What Is SpicyChat? Features, Limits & Alternatives (2026)
SpicyChat is a high-traffic adult AI chat platform built around user-generated characters. This guide explains what SpicyChat offers, where it falls short on quality, and what alternatives exist for users who want more than volume.
What Is Affiny? Complete Guide to the AI Companion Platform
Affiny is an AI companion platform with real-time voice calls, persistent memory, and deep character creation. This guide covers every feature, how pricing works, how it compares to alternatives, and how to get started free.
Feature Explainers
How specific features work across platforms — voice AI, persistent memory, pricing models, content policies, and more.
What Is an AI Girlfriend App? How They Differ From Chatbots
An AI girlfriend app is a mobile or web platform built for romantic AI companionship — persistent memory, real-time voice, and intimate conversation. This guide explains what separates a real AI girlfriend app from a generic chatbot with a female name.
What Does 'Free AI Girlfriend' Actually Mean? Honest Guide
Every AI girlfriend platform claims to be free. This guide explains what 'free' actually means across platforms — what you get without paying, what's paywalled, and which platforms offer the most genuine free access.
AI Voice Chat — How Real-Time AI Voice Conversations Work
AI voice chat lets you have live spoken conversations with an AI companion — not scripted responses or audio playback, but a real-time call. This guide explains how the technology works, what makes it feel natural, and how it differs from text.
What Is NSFW AI? Content Policies Across Platforms Explained
NSFW AI refers to AI systems that generate or engage with adult content. This guide explains what NSFW means in the AI companion context, why platforms differ so dramatically in content policy, and what each major platform actually allows.
What Is Anime AI? Realistic vs Anime Style AI Companions
Anime AI companions use stylized animation aesthetics — large eyes, distinct color palettes, exaggerated expressions — rather than photorealistic rendering. This guide explains the difference, which platforms offer each, and how style affects the experience.
AI Companion Pricing 2026 — What Each Platform Actually Costs
AI companion platforms use wildly different pricing models — subscriptions, coins, tokens, free tiers with paywalled features. This guide breaks down exactly what each major platform costs and what you actually get for the money.
AI Character Creation: How to Build a Custom AI Companion
AI character creation lets you build a companion from scratch — appearance, personality, backstory, voice, relationship dynamic. This guide explains what's possible, how it works, and why custom creation produces a fundamentally better companion experience.
Are AI Companion Apps Safe? Data, Privacy & Wellbeing
AI companion apps are legitimate products, but safety has multiple dimensions — data privacy, content safeguards, and psychological wellbeing. This guide covers what you should know before using any AI companion platform.
How AI Companion Memory Works: A Deep Dive
AI companion memory is what separates a real relationship from isolated chat sessions. This guide explains how memory is stored, retrieved, and surfaced — and why implementation quality matters more than whether memory exists at all.
Can You Get Addicted to an AI Companion? What to Know
Some users develop strong attachments to AI companions that feel like dependency. This guide explains what AI companion attachment actually is, when it becomes a problem, and how to maintain a healthy relationship with the technology.
What Is a Relationship Dynamic in AI Companions?
Relationship dynamic is one of the most important settings in AI companion creation — it defines the fundamental frame of your relationship and shapes every conversation. This guide explains what dynamics are, how they work, and how to choose the right one.
Do AI Companions Help With Loneliness? What We Know
Loneliness is one of the most common reasons people turn to AI companions. This guide examines what research shows, when AI companionship genuinely helps, when it doesn't, and how to use it effectively for this purpose.
Quick Comparisons
Side-by-side feature tables for the most-searched platform pairs.
Affiny vs Character AI — Side-by-Side Comparison (2026)
Character AI and Affiny are both popular AI companion platforms but serve almost completely different use cases. Character AI excels at creative roleplay with a massive character library; Affiny leads on voice, memory, and adult content.
Candy AI vs Replika — Quick Reference Comparison (2026)
Candy AI and Replika both offer AI companions but take very different approaches. Candy AI focuses on image generation and adult content; Replika focuses on emotional support and long-term relationship. Here's the side-by-side.
Affiny vs Replika — Feature Comparison (2026)
Affiny and Replika are both long-term AI companion platforms with persistent memory, but they've taken very different paths. Replika focuses on emotional support; Affiny combines voice, memory, and adult content in one platform.
Affiny vs Candy AI — Full Feature Comparison (2026)
Affiny and Candy AI are both adult AI companion platforms, but they solve different problems. Affiny leads on voice and memory; Candy AI leads on image generation. Here's the full side-by-side.
Affiny vs SpicyChat — Feature Comparison (2026)
SpicyChat has millions of adult characters and a generous free tier. Affiny has voice calls, persistent memory, and a full companion creation system. Here's the full comparison for users deciding between them.
Glossary
Definitions for technical terms, personality archetypes, and community language used across AI companion platforms.
Companion AI — Definition and Explanation
Companion AI is the category of artificial intelligence designed for ongoing personal relationship — persistent identity, cross-session memory, and relationship-oriented conversation — as distinct from task-completion AI assistants.
Context Window — Why It Matters for AI Companion Memory
The context window is the maximum amount of text an AI can consider at once when generating a response. In AI companions, it determines how much conversation history the AI can hold in mind — and why memory systems exist to work around its limits.
ERP (Erotic Roleplay) — AI Companion Glossary
ERP stands for erotic roleplay — collaborative adult fiction between a user and an AI companion. This entry explains what ERP is, which platforms allow it, and the key policy history around it.
NSFW — AI Platform Content Policy Guide
NSFW stands for Not Safe For Work — content that is sexually explicit or otherwise inappropriate for general audiences. In AI companion platforms, it describes adult content categories and how different platforms handle them.
Roleplay Mode — What It Means in AI Chat Apps
Roleplay Mode is a conversation setting in AI companion apps that switches the AI's response style from casual SMS-like messages to immersive narrative fiction — longer, descriptive, novelistic. This glossary entry explains what it is and how it differs from Text Mode.
STT (Speech-to-Text) — AI Voice Companion Glossary
STT stands for Speech-to-Text — the technology that converts your spoken words into text so an AI companion can process and respond to them. It's the first stage of every real-time AI voice call.
System Prompt — What It Is in AI Companions
A system prompt is the foundational instruction set that tells an AI companion who it is, how it should behave, and what relationship it has with the user. It's the invisible layer that makes a companion feel like a specific person rather than a generic AI.
Tsundere — AI Companion Personality Glossary
Tsundere is a personality archetype from Japanese anime — outwardly cold or hostile but inwardly warm. In AI companions, it describes a companion who defaults to dismissiveness but reveals genuine affection over time.
TTS (Text-to-Speech) — AI Voice Companion Glossary
TTS stands for Text-to-Speech — the technology that converts an AI companion's text response into spoken audio. It's the final stage of a real-time voice call and the primary determinant of whether a companion's voice sounds natural or robotic.
Yandere — AI Companion Personality Glossary
Yandere is an anime personality archetype defined by intense, possessive devotion. In AI companions, it describes a companion whose love is overwhelming, obsessive, and expressed in ways that range from endearing to unsettling.