Comprehensive side-by-side LLM comparison
GPT-5 leads with 30.6% higher average benchmark score. GPT-5 is available on 2 providers. Overall, GPT-5 is the stronger choice for coding tasks.
OpenAI
GPT-5 represents the next generation of OpenAI's foundational models, developed to advance the frontier of AI capabilities in reasoning, knowledge, and general intelligence. Built to push beyond the limitations of GPT-4, it incorporates architectural and training improvements designed to enhance performance across diverse tasks and domains.
xAI
Grok 1.5V was introduced as a vision-enabled variant of Grok 1.5, designed to understand and reason about both images and text. Built to extend Grok's capabilities into multimodal applications, it enables visual question answering and image analysis alongside textual understanding.
1 year newer

Grok-1.5V
xAI
2024-04-12

GPT-5
OpenAI
2025-08-07
Context window and performance specifications
Average performance across 1 common benchmarks

GPT-5

Grok-1.5V
GPT-5
2024-09-30
Available providers and their performance metrics

GPT-5
OpenAI
ZeroEval


GPT-5

Grok-1.5V

GPT-5

Grok-1.5V
Grok-1.5V