Model Selection Guide

InfuseOS offers multiple AI models, each with different strengths. This guide helps you choose the right model for your tasks.

Available Models

Model Characteristics

GPT 5.1

Best for: General tasks, quick responses, everyday use

• Fastest of the GPT models
• Good at following instructions
• Efficient with credits
• Available on Free plan

Use when:

• Simple questions and tasks
• Quick email drafts
• Basic searches and summaries
• Cost-conscious usage

GPT 5.2

Best for: Complex reasoning, analysis, detailed work

• Superior reasoning capabilities
• Better at multi-step problems
• More nuanced responses
• Higher quality output

Use when:

• Complex analysis
• Important documents
• Difficult problem-solving
• Quality is critical

Gemini 3 Pro

Best for: Long context, detailed research, comprehensive tasks

• Excellent long-context understanding
• Strong at synthesis and analysis
• Good at maintaining coherence
• Works well with large documents

Use when:

• Analyzing long documents
• Deep research tasks
• Comprehensive summaries
• Working with lots of context

Gemini 3 Flash

Best for: Quick tasks, simple queries, speed-critical work

• Fastest response times
• Good for straightforward tasks
• Efficient for high-volume use
• Balances speed and quality

Use when:

• Simple lookups
• Quick checks
• High-volume tasks
• Speed is priority

Reasoning Levels

Each model supports different reasoning levels:

When to Increase Reasoning

• Complex multi-step problems
• Important decisions
• Tasks requiring careful analysis
• When quality matters more than speed

When to Keep Reasoning Low

• Simple questions
• Quick lookups
• Routine tasks
• When speed matters

Task-Based Recommendations

Email Tasks

Calendar Tasks

Document Tasks

Research Tasks

Analysis Tasks

Cost Optimization

Free Plan Strategy

On Free plan, you only have access to GPT 5.1. Optimize by:

• Using low reasoning for simple tasks
• Combining related requests
• Being specific in prompts

Paid Plan Strategy

With Pro/Max, balance quality and cost:

• Default to GPT 5.1 for routine tasks
• Switch to GPT 5.2 for important work
• Use Gemini 3 Pro for long documents
• Use Gemini 3 Flash for quick checks

Changing Models

Per-Conversation

1. Click the model dropdown in the input area
2. Select your preferred model
3. Adjust reasoning level if needed
4. Continue chatting

Your selection applies to the current conversation.

Default Model

Your last selected model becomes the default for new conversations.

Comparing Results

If you're unsure which model works best:

1. Try the same task with different models
2. Compare output quality
3. Note speed differences
4. Choose based on your priorities

Model Updates

Models are regularly updated with improvements. InfuseOS automatically uses the latest versions.

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