Comprehensive side-by-side LLM comparison
GPT-5 mini leads with 42.1% higher average benchmark score. GPT-5 mini offers 383.6K more tokens in context window than GPT-4o mini. GPT-4o mini is $1.50 cheaper per million tokens. Overall, GPT-5 mini is the stronger choice for coding tasks.
OpenAI
GPT-4o Mini was created as a smaller, more efficient variant of GPT-4o, designed to bring multimodal capabilities to applications requiring faster response times and lower costs. Built to democratize access to advanced vision and text understanding, it enables developers to build sophisticated applications with reduced resource requirements.
OpenAI
GPT-5 Mini was created as a more accessible version of GPT-5, designed to provide strong capabilities with improved efficiency and lower operational costs. Built to extend GPT-5's advancements to a broader range of applications, it balances advanced performance with practical deployment considerations.
1 year newer

GPT-4o mini
OpenAI
2024-07-18

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

GPT-4o mini

GPT-5 mini
Context window and performance specifications
Average performance across 1 common benchmarks

GPT-4o mini

GPT-5 mini
GPT-4o mini
2023-10-01
GPT-5 mini
2024-05-30
Available providers and their performance metrics

GPT-4o mini
Azure

GPT-5 mini

GPT-4o mini

GPT-5 mini

GPT-4o mini

GPT-5 mini
OpenAI
ZeroEval