> ## Documentation Index
> Fetch the complete documentation index at: https://docs.aurinfer.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Engines
> Set your personal model preferences for AI, voice, and image generation — these override both server and character-level defaults across your entire account.
# Account Engines
This page lets you set your **personal model preferences** that apply across your entire account. Whatever you set here will override the engine settings inside individual characters and individual servers.
**How to get here:**
> In the left sidebar, click **Account** → then click **Engines**
The full path is: **Account → Engines**
Think of it like this: you have engine settings in three places — at the character level, the server level, and the account level. **Account-level settings win.** They have the highest priority and override everything else.
**Priority order (highest to lowest):**
1. **Account Engines** (this page) — overrides everything below
2. **Server Dedicated Engines** (per-server settings in Discord integration) — overrides character defaults
3. **Character AI Engine** (Universal → AI Engine inside each character) — only applies if neither of the above is set
***
## AI Engine
**Full path: Account → Engines → AI Engine section**
This section is at the top of the Engines page. It controls which AI language model (the "brain") all your characters use by default.
### Primary AI Engine
| Setting | What it does |
| -------------------------------- | -------------------------------------------------------------------------------------------------------------------------------- |
| **Primary AI Engine** (dropdown) | The main AI model used to generate responses for all your characters. Click the dropdown to see available models and select one. |
Next to the dropdown, there may be three icons:
* **Wrench icon** 🔧 — click this to open extra settings for the selected model
* **Info icon** ℹ️ — click this to read about what this model is good at
* **Clear icon** ✕ — click this to reset back to the default model
### Fallback AI Engine
| Setting | What it does |
| --------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| **Fallback AI Engine** (dropdown) | The backup AI model that activates automatically if the primary engine goes down or returns an error. This keeps your characters online even during model outages. |
Choose a fast, reliable model as your fallback — something lightweight like **Gemma 3n**. It doesn't need to be the most powerful model, just one that is stable and responds quickly so your characters never go fully offline.
***
## Voice Configuration
**Full path: Account → Engines → Voice Configuration section**
This section has two separate settings — one for the voice itself (how it sounds) and one for the AI that decides what to say during voice calls.
### Voice Engine
| Setting | What it does |
| --------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Voice Engine** (dropdown) | The text-to-speech (TTS) model that converts text into spoken audio for your character. This controls what your character sounds like. Example: *Eleven V3* by ElevenLabs. |
### Voice Processing Model
| Setting | What it does |
| ------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| **Voice Processing Model** (dropdown) | The AI language model specifically used to **write** what your character says during voice calls. This is separate from the voice synthesis — it decides the content, not the sound. |
Next to each voice processing model option, you'll see its **estimated latency** (e.g., *1.1s*). Pick a model with lower latency for smoother, faster voice conversations.
**Two different settings, two different jobs:**
* **Voice Engine** = controls HOW the character sounds (the voice/audio quality)
* **Voice Processing Model** = controls WHAT the character says during voice calls (the AI writing the words)
Both can be set independently.
***
## Image Generation
**Full path: Account → Engines → Image Generation section**
This section controls which image model is used when any of your characters generates an image.
### Image Engine
| Setting | What it does |
| --------------------------- | -------------------------------------------------------------------------------------------------- |
| **Image Engine** (dropdown) | The AI image generation model used account-wide for all image generation. Example: *Gemini 3 Pro*. |
Select from the available models in the dropdown. This setting applies to all your characters unless you've configured a different model inside a specific character's **Universal → Image Engine** settings — though that character-level setting will be overridden by this account-level setting if both are set.
***
## Configuration Priority — Quick Reference
| Priority | Where the setting lives | Path to get there | Overrides |
| --------------- | ------------------------ | -------------------------------------- | ------------------------ |
| **1 (Highest)** | Account Engines | **Account → Engines** | Everything |
| **2** | Server Dedicated Engines | Server integration settings | Character-level defaults |
| **3 (Lowest)** | Character AI Engine | **Universal → AI Engine → AI Engines** | Nothing (default only) |
Use the Account Engines page to set a consistent baseline that applies to all your characters. Only configure engine settings inside individual characters when you specifically need one character to use a different model than the rest.