Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 16.8% higher average benchmark score. GPT-4.5 offers 115.7K more tokens in context window than DeepSeek-V2.5. DeepSeek-V2.5 is $224.58 cheaper per million tokens. GPT-4.5 supports multimodal inputs. DeepSeek-V2.5 is available on 3 providers. Overall, GPT-4.5 is the stronger choice for coding tasks.
DeepSeek
DeepSeek-V2.5 is a language model developed by DeepSeek. It achieves strong performance with an average score of 71.1% across 15 benchmarks. It excels particularly in GSM8k (95.1%), MT-Bench (90.2%), HumanEval (89.0%). The model is available through 3 API providers. Released in 2024, it represents DeepSeek'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.
9 months newer
DeepSeek-V2.5
DeepSeek
2024-05-08
GPT-4.5
OpenAI
2025-02-27
Cost per million tokens (USD)
DeepSeek-V2.5
GPT-4.5
Context window and performance specifications
Average performance across 38 common benchmarks
DeepSeek-V2.5
GPT-4.5
Available providers and their performance metrics
DeepSeek-V2.5
DeepInfra
DeepSeek
Hyperbolic
DeepSeek-V2.5
GPT-4.5
DeepSeek-V2.5
GPT-4.5
GPT-4.5
OpenAI