Comprehensive side-by-side LLM comparison
Llama 3.1 405B Instruct leads with 2.5% higher average benchmark score. Nova Pro offers 344.0K more tokens in context window than Llama 3.1 405B Instruct. Llama 3.1 405B Instruct is $2.22 cheaper per million tokens. Nova Pro supports multimodal inputs. Llama 3.1 405B Instruct is available on 8 providers. Both models have their strengths depending on your specific coding needs.
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.
Amazon
Amazon Nova Pro was developed as the flagship model in the Nova family, designed to provide advanced multimodal understanding across text, images, and other modalities. Built to handle complex tasks requiring sophisticated reasoning, it represents Amazon's most capable offering for enterprise applications.
4 months newer

Llama 3.1 405B Instruct
Meta
2024-07-23

Nova Pro
Amazon
2024-11-20
Cost per million tokens (USD)

Llama 3.1 405B Instruct

Nova Pro
Context window and performance specifications
Average performance across 9 common benchmarks

Llama 3.1 405B Instruct

Nova Pro
Available providers and their performance metrics

Llama 3.1 405B Instruct
Bedrock
DeepInfra
Fireworks
Hyperbolic

Llama 3.1 405B Instruct

Nova Pro

Llama 3.1 405B Instruct

Nova Pro
Lambda
Replicate
Together

Nova Pro
Bedrock