Comprehensive side-by-side LLM comparison
Llama 3.1 405B Instruct leads with 4.7% higher average benchmark score. Llama 3.1 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 3.1 70B was created as a balanced open-source model, designed to provide strong performance with 70 billion parameters while remaining practical for many deployment scenarios. Built to serve as a versatile foundation for fine-tuning and application development, it combines capability with accessibility in the open-source ecosystem.
Launched on the same date

Llama 3.1 405B Instruct
Meta
2024-07-23

Llama 3.1 70B Instruct
Meta
2024-07-23
Cost per million tokens (USD)

Llama 3.1 405B Instruct

Llama 3.1 70B Instruct
Context window and performance specifications
Average performance across 15 common benchmarks

Llama 3.1 405B Instruct

Llama 3.1 70B Instruct
Available providers and their performance metrics

Llama 3.1 405B Instruct
Bedrock
DeepInfra
Fireworks
Hyperbolic

Llama 3.1 405B Instruct

Llama 3.1 70B Instruct

Llama 3.1 405B Instruct

Llama 3.1 70B Instruct
Lambda
Replicate
Together

Llama 3.1 70B Instruct
Bedrock
Cerebras
DeepInfra
Fireworks
Groq
Hyperbolic
Lambda
Sambanova
Together