Model Comparison

OpenAI o3Llama 3.1 405B
Let's see who can write code better - OpenAI o3 or Llama 3.1 405B

Model Information

OpenAI o3

OpenAI

Description

Next generation reasoning model

Specifications

Context Window200K
Max Output100K
ReleasedMar 2025
API✓

Pricing (per 1M)

In / Out
$2/ $8

Key Features

Enhanced reasoningImproved capabilitiesBetter performance

Strengths

  • ✓State-of-the-art reasoning
  • ✓Improved over o1
  • ✓Better efficiency

Weaknesses

  • ✗Not yet released
  • ✗Specifications unknown

Agent Support

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