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The Right Model for Every Task

Siya supports a comprehensive range of cutting-edge AI models, from powerful cloud-based options to privacy-focused local models. Understanding each model’s strengths helps you choose the perfect one for your specific needs, balancing performance, cost, and capabilities.

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Model Overview

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Cloud Models

Cutting-Edge AI at Your Fingertips

Access the most powerful AI models through secure API connections

Anthropic's Claude Family

Industry-leading models known for reasoning, safety, and helpful responses

Claude Opus 4

The Flagship ModelClaude Opus 4 represents the pinnacle of AI capability, excelling at:
  • Complex reasoning and analysis
  • Architecture design and planning
  • Code generation and debugging
  • Creative problem solving
  • Multi-step task execution

Specifications

  • Context: 200K tokens
  • Strengths: Deep reasoning
  • Speed: 20-30 tokens/sec
  • Best for: Complex tasks
  • Cost: Premium tier
Choose Opus 4 when accuracy and reasoning depth matter more than speed
The Balanced PerformerSonnet 4 offers an optimal balance of capability and efficiency:
  • Fast response times
  • Excellent code understanding
  • Strong analytical skills
  • Cost-effective for most tasks
  • Great for iterative development

Specifications

  • Context: 200K tokens
  • Strengths: Balance
  • Speed: 40-50 tokens/sec
  • Best for: Daily coding
  • Cost: Standard tier
Sonnet 4 is recommended for 80% of development tasks

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Specialized Models

Purpose-Built for Specific Domains

Models optimized for particular use cases and languages

DeepSeek Coder

The Code SpecialistTrained specifically for programming tasks:
  • Superior code completion
  • Bug detection and fixing
  • Code explanation
  • Refactoring suggestions
  • Multi-language support
Supported Languages: Python, JavaScript, TypeScript, Java, C++, Go, Rust, and more

Performance Metrics

Use DeepSeek for intensive coding sessions and complex debugging
Multilingual ExcellenceOutstanding performance across languages:
  • Native multilingual training
  • Strong in Asian languages
  • Excellent reasoning
  • Cultural awareness
  • Technical accuracy
Language Support: English, Chinese, Japanese, Korean, Spanish, French, German, and 50+ more

Use Cases

  • International projects
  • Localization tasks
  • Cross-cultural apps
  • Global documentation
  • Multi-region deployment

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Local Models

Privacy-First AI on Your Machine

Run powerful models locally without internet connection
1

Download Model

Model Sources

Download llamafile models from:
2

Install Model

# Create models directory
mkdir -p ~/.siya/local-models

# Move downloaded model
mv ~/Downloads/model.llamafile ~/.siya/local-models/

# Make executable
chmod +x ~/.siya/local-models/model.llamafile
3

Configure Siya

Model appears automatically in Siya’s model selector
4

First Run

First run may take time to load model into memory
Local models require 8-64GB RAM depending on model size

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Model Selection Strategy

Choose the Right Model Every Time

Strategic guidance for optimal model selection

Software Architecture

Recommended: Claude Opus 4

Why Opus 4?
  • Deep reasoning for design decisions
  • Understands complex systems
  • Excellent at trade-off analysis
  • Can model entire architectures
Alternative: GPT-5 for broader perspective

Recommended: DeepSeek Coder

Why DeepSeek?
  • Specialized for code generation
  • Superior completion accuracy
  • Understands language idioms
  • Fast and efficient
Alternative: Claude Sonnet 4 for general coding

Recommended: Claude Sonnet 4

Why Sonnet 4?
  • Balanced analysis capabilities
  • Good at finding subtle bugs
  • Clear explanations
  • Fast enough for iteration
Alternative: Local Qwen for privacy-sensitive code

Recommended: GPT-4 Turbo

Why GPT-4 Turbo?
  • Natural writing style
  • Good at examples
  • Consistent formatting
  • Cost-effective
Alternative: Gemini Pro for large docs

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Model Comparison

Side-by-Side Model Comparison

Detailed comparison to help you make informed decisions

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Switching Models

Dynamic Model Switching

Switch models on the fly based on your needs
1

Quick Switch

Press ⌘ + M to open model selector
2

Menu Bar

Click model name in status bar
3

Command

Type “switch to GPT-5” in chat
4

Settings

Change default in preferences

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Cost Optimization

Manage Your AI Budget Effectively

Strategies to optimize costs while maintaining quality

Cost-Saving Strategies

1

Use Appropriate Models

Don’t use Opus 4 for simple tasks - Sonnet 4 or Flash work great
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Enable Auto-Switching

Let Siya choose cost-effective models automatically
3

Leverage Local Models

Use local models for repetitive or sensitive tasks
4

Optimize Context

Clear unnecessary context to reduce token usage
5

Batch Operations

Group similar tasks to reduce overhead
"Show my token usage"
"What's my API spend today?"
"Which model am I using most?"
"Show cost breakdown"

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Best Practices

Model Selection Excellence

Expert tips for getting the most from each model

General Guidelines

Do's

  • Start with faster models
  • Upgrade when needed
  • Use local for privacy
  • Monitor costs
  • Learn model strengths
  • Experiment freely

Don'ts

  • Always use most expensive
  • Ignore context limits
  • Share API keys
  • Neglect local options
  • Stick to one model
  • Waste tokens

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Future Models

Coming Soon to Siya

Upcoming models and capabilities on our roadmap

In Development

Coming Soon
  • Claude Haiku 3
  • GPT-4 Vision
  • Llama 4
  • Custom fine-tuned models
  • Mixtral MOE

Future Vision

On the Horizon
  • Multi-model ensemble
  • Custom training
  • Specialized verticals
  • Real-time models
  • Edge deployment

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Summary

Choose Wisely, Code Brilliantly

With Siya’s comprehensive model selection, you have access to the perfect AI for every task. From the reasoning depth of Claude Opus 4 to the lightning speed of Gemini Flash, from specialized coding models to privacy-preserving local options - the right model is always at your fingertips. Understanding each model’s strengths empowers you to work smarter, faster, and more efficiently.

Get Started

Start using Siya with your chosen model

API Setup

Configure your API keys
The right model. The right time. The right results.