Comprehensive side-by-side LLM comparison
o1-preview leads with 12.6% higher average benchmark score. Llama 3.1 405B Instruct offers 95.2K more tokens in context window than o1-preview. Llama 3.1 405B Instruct is $73.22 cheaper per million tokens. Llama 3.1 405B Instruct is available on 8 providers. Overall, o1-preview 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-preview was introduced as an early version of OpenAI's reasoning model series, designed to demonstrate the potential of AI models that engage in extended thinking before responding. Built to solve complex problems through deliberate reasoning processes, it represented an initial step toward more thoughtful and analytical AI systems.
1 month newer

Llama 3.1 405B Instruct
Meta
2024-07-23

o1-preview
OpenAI
2024-09-12
Cost per million tokens (USD)

Llama 3.1 405B Instruct

o1-preview
Context window and performance specifications
Average performance across 3 common benchmarks

Llama 3.1 405B Instruct

o1-preview
Available providers and their performance metrics

Llama 3.1 405B Instruct
Bedrock
DeepInfra
Fireworks
Hyperbolic

Llama 3.1 405B Instruct

o1-preview

Llama 3.1 405B Instruct

o1-preview
Lambda
Replicate
Together

o1-preview
Azure
OpenAI