Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 27.4% higher average benchmark score. GPT-4.1 nano offers 948.2K more tokens in context window than GPT-4.5. GPT-4.1 nano is $224.50 cheaper per million tokens. Overall, GPT-4.5 is the stronger choice for coding tasks.
OpenAI
GPT-4.1 nano is a multimodal language model developed by OpenAI. The model shows competitive results across 25 benchmarks. It excels particularly in MMLU (80.1%), IFEval (74.5%), CharXiv-D (73.9%). With a 1.1M token context window, it can handle extensive documents and complex multi-turn conversations. 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.
OpenAI
GPT-4.5 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 63.1% across 27 benchmarks. It excels particularly in GSM8k (97.0%), MMLU (90.8%), CharXiv-D (90.0%). It supports a 132K 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.
1 month newer
GPT-4.5
OpenAI
2025-02-27
GPT-4.1 nano
OpenAI
2025-04-14
Cost per million tokens (USD)
GPT-4.1 nano
GPT-4.5
Context window and performance specifications
Average performance across 31 common benchmarks
GPT-4.1 nano
GPT-4.5
GPT-4.1 nano
2024-05-31
Available providers and their performance metrics
GPT-4.1 nano
OpenAI
GPT-4.5
GPT-4.1 nano
GPT-4.5
GPT-4.1 nano
GPT-4.5
OpenAI