Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 10.1% higher average benchmark score. o1 offers 167.9K more tokens in context window than GPT-4.5. o1 is $150.00 cheaper per million tokens. GPT-4.5 supports multimodal inputs. Overall, GPT-4.5 is the stronger choice for coding tasks.
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.
OpenAI
o1 is a language model developed by OpenAI. It achieves strong performance with an average score of 71.6% across 19 benchmarks. It excels particularly in GSM8k (97.1%), MATH (96.4%), GPQA Physics (92.8%). It supports a 300K token context window for handling large documents. The model is available through 2 API providers. Released in 2024, it represents OpenAI's latest advancement in AI technology.
2 months newer
o1
OpenAI
2024-12-17
GPT-4.5
OpenAI
2025-02-27
Cost per million tokens (USD)
GPT-4.5
o1
Context window and performance specifications
Average performance across 34 common benchmarks
GPT-4.5
o1
Available providers and their performance metrics
GPT-4.5
OpenAI
o1
GPT-4.5
o1
GPT-4.5
o1
Azure
OpenAI