Comprehensive side-by-side LLM comparison
Llama 3.1 405B Instruct leads with 14.7% higher average benchmark score. Llama 3.1 405B Instruct is available on 8 providers. Overall, Llama 3.1 405B Instruct is the stronger choice for coding tasks.
xAI
Grok 1.5 was developed by xAI as an advanced language model, designed to provide helpful and accurate information with a focus on reasoning and factual knowledge. Built to serve as a conversational AI with strong analytical capabilities, it represents xAI's early generation of foundation models.
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

Grok-1.5
xAI
2024-03-28

Llama 3.1 405B Instruct
Meta
2024-07-23
Context window and performance specifications
Average performance across 6 common benchmarks

Grok-1.5

Llama 3.1 405B Instruct
Available providers and their performance metrics

Grok-1.5

Llama 3.1 405B Instruct
Bedrock

Grok-1.5

Llama 3.1 405B Instruct

Grok-1.5

Llama 3.1 405B Instruct
DeepInfra
Fireworks
Hyperbolic
Lambda
Replicate
Together