<p>➀ OpenAI's o3-mini and DeepSeek R1 are leading AI inference models, differing in design, performance, cost, and methods.</p><p>➁ o3-mini offers advanced reasoning, quick response times, and is integrated into ChatGPT, with a cost of about $1.10 per million input tokens and $4.40 per million output tokens.</p><p>➂ DeepSeek R1 is open-source, cost-effective, and shows its reasoning process, with a cost of about $0.14 per million input tokens for cache hits and $2.19 per million output tokens.</p>