Comprehensive side-by-side LLM comparison
o3-pro offers 283.6K more tokens in context window than DeepSeek-V2.5. DeepSeek-V2.5 is $99.58 cheaper per million tokens. o3-pro supports multimodal inputs. DeepSeek-V2.5 is available on 3 providers. Both models have their strengths depending on your specific coding needs.
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
o3-pro is a multimodal language model developed by OpenAI. 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.
1 year newer
DeepSeek-V2.5
DeepSeek
2024-05-08
o3-pro
OpenAI
2025-06-10
Cost per million tokens (USD)
DeepSeek-V2.5
o3-pro
Context window and performance specifications
Average performance across 15 common benchmarks
DeepSeek-V2.5
o3-pro
o3-pro
2024-05-31
Available providers and their performance metrics
DeepSeek-V2.5
DeepInfra
DeepSeek
Hyperbolic
DeepSeek-V2.5
o3-pro
DeepSeek-V2.5
o3-pro
o3-pro
OpenAI