Comprehensive side-by-side LLM comparison
Claude 3.5 Sonnet leads with 5.0% higher average benchmark score. Claude 3.5 Sonnet offers 144.0K more tokens in context window than Llama 3.1 405B Instruct. Llama 3.1 405B Instruct is $16.22 cheaper per million tokens. Claude 3.5 Sonnet supports multimodal inputs. Llama 3.1 405B Instruct is available on 8 providers. Both models have their strengths depending on your specific coding needs.
Anthropic
This upgraded version of Claude 3.5 Sonnet was released with significant improvements in coding and agentic tool use. Built to deliver enhanced performance in software engineering tasks, it brought substantial gains in reasoning and problem-solving while introducing the groundbreaking computer use capability in public beta, allowing it to interact with computer interfaces like a human.
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.
3 months newer

Llama 3.1 405B Instruct
Meta
2024-07-23

Claude 3.5 Sonnet
Anthropic
2024-10-22
Cost per million tokens (USD)

Claude 3.5 Sonnet

Llama 3.1 405B Instruct
Context window and performance specifications
Average performance across 7 common benchmarks

Claude 3.5 Sonnet

Llama 3.1 405B Instruct
Available providers and their performance metrics

Claude 3.5 Sonnet
Anthropic
Bedrock

Claude 3.5 Sonnet

Llama 3.1 405B Instruct

Claude 3.5 Sonnet

Llama 3.1 405B Instruct

Llama 3.1 405B Instruct
Bedrock
DeepInfra
Fireworks
Hyperbolic
Lambda
Replicate
Together