Comprehensive side-by-side LLM comparison
GPT-5 leads with 6.7% 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.
OpenAI
o1-pro was developed as an enhanced version of the o1 reasoning model, designed to provide extended reasoning capabilities with greater depth and reliability. Built for professionals and advanced users tackling complex analytical tasks, it offers enhanced thinking time and reasoning quality for the most demanding applications.
7 months newer

o1-pro
OpenAI
2024-12-17

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

GPT-5

o1-pro
o1-pro
2023-09-30
GPT-5
2024-09-30
Available providers and their performance metrics

GPT-5
OpenAI
ZeroEval


GPT-5

o1-pro

GPT-5

o1-pro
o1-pro