Comprehensive side-by-side LLM comparison
GPT-4o leads with 16.1% higher average benchmark score. GPT-4o supports multimodal inputs. GPT-4o is available on 2 providers. Overall, GPT-4o is the stronger choice for coding tasks.
OpenAI
This updated version of GPT-4o was released with refinements to its multimodal capabilities and improved performance across text, vision, and audio tasks. Built to incorporate learnings from the initial GPT-4o deployment, it enhanced reliability and accuracy while maintaining the seamless cross-modal reasoning that defines the GPT-4o family.
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.
4 months newer

Grok-1.5
xAI
2024-03-28

GPT-4o
OpenAI
2024-08-06
Context window and performance specifications
Average performance across 6 common benchmarks

GPT-4o

Grok-1.5
Available providers and their performance metrics

GPT-4o
Azure
OpenAI


GPT-4o

Grok-1.5

GPT-4o

Grok-1.5
Grok-1.5