Comprehensive side-by-side LLM comparison
DeepSeek-V3 0324 offers 27.7K more tokens in context window than o3-pro. DeepSeek-V3 0324 is $98.58 cheaper per million tokens. o3-pro supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
DeepSeek
DeepSeek-V3-0324 represents a specific release iteration of DeepSeek-V3, developed to incorporate ongoing improvements and refinements. Built to provide enhanced stability and performance based on deployment learnings, it continues the evolution of the DeepSeek-V3 architecture with iterative enhancements.
OpenAI
o3-pro was developed as the flagship reasoning model in the o3 family, designed to deliver maximum reasoning depth and reliability for the most challenging analytical tasks. Built for professionals requiring the highest level of thoughtful problem-solving, it extends reasoning capabilities to handle complex multi-step challenges across diverse domains.
2 months newer

DeepSeek-V3 0324
DeepSeek
2025-03-25

o3-pro
OpenAI
2025-06-10
Cost per million tokens (USD)

DeepSeek-V3 0324

o3-pro
Context window and performance specifications
o3-pro
2024-05-31
Available providers and their performance metrics

DeepSeek-V3 0324
Novita

o3-pro

DeepSeek-V3 0324

o3-pro

DeepSeek-V3 0324

o3-pro
OpenAI