Comprehensive side-by-side LLM comparison
Grok-1.5 leads with 2.7% higher average benchmark score. GPT-4 supports multimodal inputs. GPT-4 is available on 2 providers. Both models have their strengths depending on your specific coding needs.
OpenAI
GPT-4 was created as a large multimodal model capable of accepting image and text inputs while producing text outputs. Developed to exhibit human-level performance on various professional and academic benchmarks, it marked a significant advancement in reliability, creativity, and handling of nuanced instructions compared to its predecessors.
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.
9 months newer

GPT-4
OpenAI
2023-06-13

Grok-1.5
xAI
2024-03-28
Context window and performance specifications
Average performance across 4 common benchmarks

GPT-4

Grok-1.5
GPT-4
2022-12-31
Available providers and their performance metrics

GPT-4
Azure
OpenAI


GPT-4

Grok-1.5

GPT-4

Grok-1.5
Grok-1.5