Comprehensive side-by-side LLM comparison
GPT-4.1 leads with 20.0% higher average benchmark score. GPT-4.1 supports multimodal inputs. Overall, GPT-4.1 is the stronger choice for coding tasks.
OpenAI
GPT-4.1 represents an iterative improvement in the GPT-4 series, developed to refine the foundational capabilities established by GPT-4. Built to incorporate learnings and optimizations from the deployment of previous versions, it continues the evolution of OpenAI's flagship model line with enhanced reliability and performance.
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.
1 year newer

Grok-1.5
xAI
2024-03-28

GPT-4.1
OpenAI
2025-04-14
Context window and performance specifications
Average performance across 4 common benchmarks

GPT-4.1

Grok-1.5
GPT-4.1
2024-06-01
Available providers and their performance metrics

GPT-4.1
OpenAI

Grok-1.5

GPT-4.1

Grok-1.5

GPT-4.1

Grok-1.5