Comprehensive side-by-side LLM comparison
o3-mini leads with 18.4% higher average benchmark score. DeepSeek-V3 0324 offers 27.7K more tokens in context window than o3-mini. DeepSeek-V3 0324 is $4.08 cheaper per million tokens. Overall, o3-mini is the stronger choice for coding tasks.
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-mini was created as an efficient variant of the o3 reasoning model, designed to provide advanced thinking capabilities with reduced computational requirements. Built to make next-generation reasoning accessible to a broader range of applications, it balances analytical depth with practical speed and cost considerations.
1 month newer

o3-mini
OpenAI
2025-01-30

DeepSeek-V3 0324
DeepSeek
2025-03-25
Cost per million tokens (USD)

DeepSeek-V3 0324

o3-mini
Context window and performance specifications
Average performance across 2 common benchmarks

DeepSeek-V3 0324

o3-mini
o3-mini
2023-09-30
Available providers and their performance metrics

DeepSeek-V3 0324
Novita

o3-mini

DeepSeek-V3 0324

o3-mini

DeepSeek-V3 0324

o3-mini
Azure
OpenAI