Model Comparison
GPT-5Llama 3.1 405B
Let's see who can write code better - GPT-5 or Llama 3.1 405B
Model Information
GPT-5
Description
Next-generation flagship model from OpenAI
Specifications
Context Window272K
Max Output33K
ReleasedJun 2025
API✓
Pricing (per 1M)
In / Out
$1.25/ $10
Key Features
AGI-level capabilitiesAdvanced reasoningMulti-modal native
Strengths
- ✓State-of-the-art performance
- ✓Unprecedented capabilities
- ✓Large context window
Weaknesses
- ✗Not yet released
- ✗Likely very expensive
- ✗Unknown specifications
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