Free → Wanderer (PU7) → Architect (Vendetta Pro) → Celestial (PU7 Premium)

Characters That Remember.Stories That Never Reset.

Free gets you in the door. Celestial is where the magic happens — Claude AI, unlimited messages, and characters that remember everything.

Stronger memory · deeper continuity · relationship tracking · emotional memory · autonomous character participation · book-to-book continuity

New accounts get 3 days of Celestial free — no card required
Free
  • ✕ 5 messages per day
  • ✕ Basic AI — generic replies
  • ✕ Characters forget between sessions
  • ✕ No emotional state tracking
  • ✕ No relationship evolution
  • ✕ Roleplay ends at 5 exchanges
Celestial ✦
  • ✦ Unlimited messages, no daily cap
  • ✦ Claude AI — literary depth, real emotion
  • ✦ Memory persists across every session
  • ✦ Real-time emotional state tracking
  • ✦ Trust, loyalty, resentment, attraction
  • ✦ World evolves even when you're gone
Quick ModeExplorer & Wanderer

Create a character, describe your world, and start roleplaying in under a minute. Wanderer runs Vendetta — emotional continuity, memory, and character consistency.

Studio ModeArchitect & Celestial

Full creative control — Writing Studio, Worldbuilding, Universe Studio, and the Vendetta Pro engine with active NPCs, consequence chains, and scene simulation.

Explorer

Free Engine

Pocket Universe · Free Forever

Free
Writing & Character Studio

Free forever. Powerful enough to produce amazing stories. Writing Studio, Character Studio, story memory, basic roleplay and continuity — all included.

  • 3 Characters
  • 1 Active Story
  • 5 messages/day
  • Character Studio
  • Basic Roleplay
  • Guided Tour
  • No Writing Studio
  • No relationship tracking
  • No emotional memory
  • No AI portraits
  • No response variations
  • No memory continuity

Wanderer

PU7 Engine

Vendetta · Stronger Memory & Continuity

$20/mo
Quick Mode

Vendetta — stronger memory, deeper continuity, relationship tracking, emotional memory, and better roleplay intelligence. Characters that actually remember.

  • 20 Characters
  • 5 Universes
  • 100 messages/day
  • Quick Character Creator
  • Quick World Generator
  • PU7 Emotional Continuity
  • PU7 Ranked Memory Engine
  • PU7 Relationship Progression
  • Consistent Character Voice
  • AI Character Portraits
  • AI Companion (Chat Mode)
  • Companion Memory & Emotions
  • Autosave
  • Community Templates
  • No Writing Studio
  • No Worldbuilding Studio
Most Popular

Architect

Vendetta Pro

Vendetta Pro · Full World Simulation

$29/mo
Quick + Studio Mode

Vendetta Pro — full character agency, autonomous NPCs, relationship engine across all entities, event consequence chains, scene orchestration, and world-state simulation. Not just smarter — a different category.

  • 100 Characters
  • 10 Universes
  • Unlimited Stories
  • Everything in Wanderer
  • PU7 Active NPC Engine
  • PU7 Relationship Engine (all entities)
  • PU7 Event Consequence Chains
  • PU7 Scene Orchestration
  • PU7 World State Simulation
  • AI Companion — Chat & Life Sim Mode
  • Writing Studio
  • Character Studio
  • Worldbuilding Studio
  • Universe Studio
  • Scene Image Generation
  • Scene Builder

Celestial

PU7 Premium

Vendetta Ultra · Living Reality

$55/mo
All Systems Unlocked

Vendetta at maximum power. Autonomous world evolution, deep psychological modeling, long-arc storytelling, initiative engine (AI creates moments unprompted). The world breathes on its own.

  • Unlimited Everything
  • Everything in Architect
  • PU7 Deep Psychology Engine
  • PU7 Initiative Engine (AI-autonomous events)
  • PU7 Long-Arc Story Engine
  • PU7 Autonomous World Evolution
  • AI Companion — Live a Life Together
  • Emotional Momentum Engine
  • Life Sim Mode
  • Presence Mode
  • Flashback System
  • Daily Moments & Proactive Messages
  • Comic Book Creator
  • Export PDF / EPUB
  • Advanced Relationship Graph
  • All Templates
  • Priority Support

Downgrading never deletes your content — universes and characters are preserved until you upgrade.

Experience Depth by Tier

The upgrade you'll actually feel

Every tier is a fundamentally different experience — not just more features.

Explorer
Wanderer
Architect
Celestial
Memory Quality
Explorer
10%
Wanderer
45%
Architect
92%
Celestial
98%
Emotional Continuity
Explorer
5%
Wanderer
40%
Architect
90%
Celestial
97%
Character Stability
Explorer
20%
Wanderer
52%
Architect
91%
Celestial
96%
World Connection
Explorer
5%
Wanderer
38%
Architect
88%
Celestial
95%
Response Intelligence
Explorer
15%
Wanderer
50%
Architect
93%
Celestial
99%
Immersion Depth
Explorer
12%
Wanderer
48%
Architect
92%
Celestial
98%

Values represent relative experience quality, not scientific measurements.

Behavior by Tier

What changes as you go deeper

Every tier is a different level of behavioral expression — not just more storage or faster responses.

Explorer
Wanderer
Architect
Celestial
Emotional Depth
Minimal
Reactive
Layered
Unrestricted
Character Consistency
Basic
Reliable
Voice-Locked
Absolute
Dialogue Realism
Clear
Natural
Subtext-Rich
Cinematic
Subtext Awareness
None
Mild
Strong
Deep
Relationship Complexity
Simple
Tracked
Multi-layered
Full Graph
Narrative Control
Guided
Flexible
Writer-Level
Director-Level
Tone Range
Contained
Expressive
Mature
Full Spectrum
The P4 Engine Difference

PU7 is a companion. Vendetta Pro is a living world.

Vendetta plans every response with emotional intelligence. Vendetta Pro goes further — it simulates the world, tracks every entity, chains consequences, and builds a full scene plan before the AI ever speaks.

Scene Orchestration

Before every response, Vendetta Pro builds a structured scene plan: tension level, entity emotional states, narrative intent, world context, and relationship dynamics. AI speaks from a plan — not from vibes.

Architect & Celestial

Consequence Chains

Betrayals cascade into future conflict probability. Promises create narrative pressure. Deaths ripple outward. Every consequence is tagged and injected into future scenes as an active force.

Architect & Celestial

Active NPC Engine

NPCs have memory, goals, and presence states. They speak, interrupt, react, and pursue their own agendas. In Vendetta Pro, NPCs are real entities — not flavor text.

Architect & Celestial
Narrative Engine Breakdown

Free → PU7 → Vendetta Pro → PU7 Premium. Each is a generation leap.

Not just more features. Different engine architecture at every tier.

Explorer
PU-1
Narrative Depth40
Voice Fidelity35
Emotional Range30
Scene Immersion35
Dark Complexity10
Wanderer
PU-1.5
Narrative Depth60
Voice Fidelity58
Emotional Range55
Scene Immersion62
Dark Complexity20
Architect
PU-2
Narrative Depth82
Voice Fidelity84
Emotional Range80
Scene Immersion85
Dark Complexity68
Celestial
PU-2 Premium
Narrative Depth98
Voice Fidelity97
Emotional Range99
Scene Immersion98
Dark Complexity97

Dark Complexity reflects capability for mature, morally complex, and psychologically intense storytelling — available exclusively on Architect and above, with full depth unlocked only at Celestial.

The PU System

Why We Don't Use Model Selection

Most AI tools hand you a dropdown and call it control. We disagreed.

The Problem With Model Switching
  • Switching models mid-story breaks character voice and tone.
  • Memory drifts when the underlying AI changes between sessions.
  • Inconsistent behavior makes characters feel fake and untrustworthy.
How the PU System Solves It
  • The PU system keeps all behavioral rules, voice locks, and memory in one consistent layer.
  • Characters stay who they are regardless of what's running underneath.
  • You tune behavior — depth, tone, complexity — not which model handles it.

You control behavior — not models.

PU7 Premium Engine
Celestial Tier — PU7 Premium · Living Reality

Where the World Breathes on Its Own

Celestial runs Vendetta at maximum power. The world evolves between sessions. The AI creates moments without prompting. Deep psychological modeling shapes every character response. Nothing resets. Everything accumulates.

Deep Psychological Modeling

Attachment styles, trauma response prediction, behavioral forecasting under tension. Characters think — not just react.

Autonomous World Evolution

The world changes between sessions. NPCs drift. Time advances. Consequence effects spread. When you return, the world moved — it didn't wait.

Initiative Engine

The AI identifies narrative opportunities and acts without prompting — emotional peaks, consequence cascades, relationship moments — woven in organically.

Designed for writers, roleplayers, and creators who need consistency — not randomness.

Your Privacy is Our Top Concern

Your stories stay yours.

Whatever tier you choose — we never read, review, or train on your content. Your privacy is absolute. Your creations are private by design.