Comprehensive side-by-side LLM comparison
o1-pro leads with 28.3% higher average benchmark score. o1-pro supports multimodal inputs. Llama 3.1 405B Instruct is available on 8 providers. Overall, o1-pro is the stronger choice for coding tasks.
Meta
Llama 3.1 405B was developed as Meta's largest open-source language model, designed to provide frontier-level capabilities with 405 billion parameters. Built to demonstrate that open-source models can match proprietary systems in capability, it enables researchers and developers to experiment with and deploy a powerful foundation model without licensing restrictions.
OpenAI
o1-pro was developed as an enhanced version of the o1 reasoning model, designed to provide extended reasoning capabilities with greater depth and reliability. Built for professionals and advanced users tackling complex analytical tasks, it offers enhanced thinking time and reasoning quality for the most demanding applications.
4 months newer

Llama 3.1 405B Instruct
Meta
2024-07-23

o1-pro
OpenAI
2024-12-17
Context window and performance specifications
Average performance across 1 common benchmarks

Llama 3.1 405B Instruct

o1-pro
o1-pro
2023-09-30
Available providers and their performance metrics

Llama 3.1 405B Instruct
Bedrock
DeepInfra
Fireworks
Hyperbolic

Llama 3.1 405B Instruct

o1-pro

Llama 3.1 405B Instruct

o1-pro
Lambda
Replicate
Together

o1-pro