AI Models Guide

AI Models & Selection

CodeEx AI supports 13+ specialized models from multiple providers. Learn how to choose the right model for your tasks.

Auto Mode (Recommended)

Let CodeEx AI automatically select the best model for each query

When set to "Auto", CodeEx AI analyzes your query and routes it to the most appropriate model:

🧮 Math Problems

Routes to math-specialized models

💻 Code Questions

Uses coding-optimized models

🖼️ Image Tasks

Selects multimodal models

💬 General Chat

Picks conversational models

Model Categories

General Purpose

Versatile models for everyday tasks and conversations

Llama 3.1 8B Instant

Groq • Fast and efficient for general tasks

Fast response
Large context
Streaming support

Llama 3.2 1B Instruct (Free)
Free

HuggingFace • Compact and efficient - completely free

Free
Lightweight
Good performance

Llama 3.1 70B Instruct (Free)
Free

HuggingFace • Large and powerful - completely free

Free
High quality
Complex reasoning

Qwen 2.5 7B Instruct (Free)
Free

HuggingFace • Strong multilingual capabilities - completely free

Free
Multilingual
Code & math

Coding Specialists

Models optimized for programming and software development

DeepSeek V3.2

HuggingFace • Advanced coding and reasoning model

Code generation
Debugging
Architecture advice

Conversational

Models fine-tuned for natural dialogue and chat

RNJ-1 Instruct

HuggingFace • Efficient conversational AI model

Natural dialogue
Context awareness
Personality

Gemini 2.5 Flash Lite

Google • Lightweight conversational model

Fast responses
Casual chat
Helpful tone

Multimodal (Vision)

Models that can understand and process images

Gemini 2.5 Flash

Google • Latest multimodal model with vision capabilities

Image analysis
Visual Q&A
Large context

Gemini Flash Latest

Google • Latest version with improved capabilities

Image understanding
Text + vision
Fast processing

Free Models

Completely free models with no usage limits

OpenRouter Auto (Free)
Free

OpenRouter • Automatically selects best free model

Auto selection
No limits
Multiple providers

How to Select a Model

Step-by-step guide to choosing and switching models

Desktop

  1. 1.Click the Settings icon (⚙️) in the header
  2. 2.Find the "AI Model" dropdown
  3. 3.Select "Auto" or choose a specific model
  4. 4.Settings are saved automatically

Mobile

  1. 1.Tap the model button in the chat interface
  2. 2.A bottom sheet opens with all models
  3. 3.Tap to select your preferred model
  4. 4.The sheet closes and model is applied

💡 Model Selection Tips

Choose the right model for better results

For Coding Tasks

Use DeepSeek V3.2 for complex programming questions, debugging, and architecture advice.

For Math Problems

Auto mode automatically routes to math-capable models like Qwen 2.5 or Llama models.

For Image Analysis

Use Gemini models for image understanding, visual Q&A, and multimodal tasks.

For General Chat

Auto mode or conversational models like RNJ-1 work best for everyday conversations.

For Free Usage

Use HuggingFace free models or OpenRouter Auto for unlimited usage without costs.

For Speed

Groq models (Llama 3.1 8B Instant) provide the fastest response times.

Model Providers

Groq

Ultra-fast inference with streaming support

2 models available
Fastest responses
Streaming
Low latency

HuggingFace

Open-source models with free options

6 models available
Free models
Open source
Diverse selection

Google

Advanced multimodal capabilities

3 models available
Vision support
Large context
Multimodal

OpenRouter

Aggregated access to multiple models

1 model available
Auto selection
Free tier
Multiple providers