Comprehensive side-by-side LLM comparison
GPT-5 leads with 38.1% higher average benchmark score. GPT-5 offers 228.0K more tokens in context window than o4-mini. o4-mini is $5.75 cheaper per million tokens. Overall, GPT-5 is the stronger choice for coding tasks.
OpenAI
GPT-5 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 70.1% across 35 benchmarks. It excels particularly in SWE-Lancer (IC-Diamond subset) (100.0%), COLLIE (99.0%), Tau2 Telecom (96.7%). It supports a 528K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.
OpenAI
o4-mini is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 66.5% across 14 benchmarks. It excels particularly in AIME 2024 (93.4%), AIME 2025 (92.7%), MathVista (84.3%). It supports a 300K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.
3 months newer
o4-mini
OpenAI
2025-04-16
GPT-5
OpenAI
2025-08-07
Cost per million tokens (USD)
GPT-5
o4-mini
Context window and performance specifications
Average performance across 40 common benchmarks
GPT-5
o4-mini
o4-mini
2024-05-31
GPT-5
2024-09-30
Available providers and their performance metrics
GPT-5
OpenAI
ZeroEval
GPT-5
o4-mini
GPT-5
o4-mini
o4-mini
OpenAI