Model Comparison
Gemini 1.5 FlashGemini 3 Pro (Preview)
Let's see who can write code better - Gemini 1.5 Flash or Gemini 3 Pro (Preview)
Model Information
Gemini 1.5 Flash
Description
Fast and efficient multimodal model optimized for speed (deprecated - no longer available in API)
Specifications
Context Window1.0M
Max Output8K
ReleasedMay 2024
API✓
Pricing (per 1M)
In / Out
$0.075/ $0.3
Key Features
Fast inferenceLarge context windowMultimodalCost-effective
Strengths
- ✓Very fast responses
- ✓Good balance of capability and speed
- ✓Affordable pricing
- ✓Strong for its size
Weaknesses
- ✗Less capable than Pro version
- ✗May struggle with complex reasoning
- ✗Limited availability in some regions
Agent Support
No known agents
Gemini 3 Pro (Preview)
Description
Next-generation Gemini model with advanced capabilities (preview release)
Specifications
Context Window1.0M
Max Output64K
ReleasedNov 2025
API✓
Pricing (per 1M)
In / Out
$2/ $12
Key Features
Massive 1M token contextLarge 64K output windowNext-gen architectureMulti-modal capabilities
Strengths
- ✓State-of-the-art Gemini model
- ✓Very large output window
- ✓Advanced reasoning capabilities
- ✓Strong multi-modal support
Weaknesses
- ✗Preview release - may have issues
- ✗Higher cost than 2.5 models
- ✗Potentially slower inference
Agent Support
No known agents