Comprehensive side-by-side LLM comparison
Llama 3.1 405B Instruct leads with 3.7% higher average benchmark score. Llama 3.2 90B Instruct is $1.03 cheaper per million tokens. Llama 3.2 90B Instruct 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.
Meta
Llama 3.2 90B was developed as a flagship-tier open-source model, designed to provide advanced capabilities with 90 billion parameters. Built to serve applications requiring high-quality reasoning and generation, it represents a powerful option within the Llama 3.2 series for demanding tasks.
2 months newer

Llama 3.1 405B Instruct
Meta
2024-07-23

Llama 3.2 90B Instruct
Meta
2024-09-25
Cost per million tokens (USD)

Llama 3.1 405B Instruct

Llama 3.2 90B Instruct
Context window and performance specifications
Average performance across 3 common benchmarks

Llama 3.1 405B Instruct

Llama 3.2 90B Instruct
Available providers and their performance metrics

Llama 3.1 405B Instruct
Bedrock
DeepInfra
Fireworks
Hyperbolic

Llama 3.1 405B Instruct

Llama 3.2 90B Instruct

Llama 3.1 405B Instruct

Llama 3.2 90B Instruct
Lambda
Replicate
Together

Llama 3.2 90B Instruct
Bedrock
DeepInfra
Fireworks
Hyperbolic
Together