Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. Llama 3.3 70B Instruct is $1.38 cheaper per million tokens. 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.
Meta
Llama 3.3 70B was introduced with refinements to the Llama 3 architecture, designed to incorporate improvements in instruction-following and task performance. Built to continue the evolution of Meta's 70B tier, it provides enhanced quality while maintaining the deployment characteristics valued by the open-source community.
4 months newer

Llama 3.1 405B Instruct
Meta
2024-07-23

Llama 3.3 70B Instruct
Meta
2024-12-06
Cost per million tokens (USD)

Llama 3.1 405B Instruct

Llama 3.3 70B Instruct
Context window and performance specifications
Average performance across 7 common benchmarks

Llama 3.1 405B Instruct

Llama 3.3 70B Instruct
Available providers and their performance metrics

Llama 3.1 405B Instruct
Bedrock
DeepInfra
Fireworks
Hyperbolic

Llama 3.1 405B Instruct

Llama 3.3 70B Instruct

Llama 3.1 405B Instruct

Llama 3.3 70B Instruct
Lambda
Replicate
Together

Llama 3.3 70B Instruct
Bedrock
Cerebras
DeepInfra
Fireworks
Groq
Hyperbolic
Lambda
Sambanova
Together