Comprehensive side-by-side LLM comparison
GPT-5 leads with 11.3% higher average benchmark score. GPT-5 offers 334.5K more tokens in context window than o1-mini. GPT-5 is $3.75 cheaper per million tokens. GPT-5 supports multimodal inputs. 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-mini was created as a faster, more cost-effective reasoning model, designed to bring extended thinking capabilities to applications with tighter latency and budget constraints. Built to excel particularly in coding and STEM reasoning while maintaining affordability, it provides a more accessible entry point to reasoning-enhanced AI assistance.
10 months newer

o1-mini
OpenAI
2024-09-12

GPT-5
OpenAI
2025-08-07
Cost per million tokens (USD)

GPT-5

o1-mini
Context window and performance specifications
Average performance across 3 common benchmarks

GPT-5

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

GPT-5
OpenAI
ZeroEval


GPT-5

o1-mini

GPT-5

o1-mini
o1-mini
Azure
OpenAI