Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. GPT-4.1 offers 948.2K more tokens in context window than GPT-4.5. GPT-4.1 is $215.00 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
OpenAI
GPT-4.1 is a multimodal language model developed by OpenAI. The model shows competitive results across 30 benchmarks. It excels particularly in MMLU (90.2%), CharXiv-D (87.9%), IFEval (87.4%). 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
OpenAI
2025-04-14
Cost per million tokens (USD)
GPT-4.1
GPT-4.5
Context window and performance specifications
Average performance across 35 common benchmarks
GPT-4.1
GPT-4.5
GPT-4.1
2024-06-01
Available providers and their performance metrics
GPT-4.1
OpenAI
GPT-4.5
GPT-4.1
GPT-4.5
GPT-4.1
GPT-4.5
OpenAI