Model Comparison
Llama 3.1 405BGemini 3 Pro (Preview)
Let's see who can write code better - Llama 3.1 405B or Gemini 3 Pro (Preview)
Model Information
Llama 3.1 405B
Description
Open-source frontier model with 405 billion parameters
Specifications
Context Window128K
Max Output4K
ReleasedJul 2024
API✗
Key Features
Open sourceSelf-hostableTool use supportMultilingualNo usage restrictions
Strengths
- ✓Fully open source
- ✓Can be self-hosted
- ✓Strong performance
- ✓No API costs if self-hosted
Weaknesses
- ✗Requires significant compute
- ✗Complex to deploy
- ✗No official API service
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