DeepSeek-V4 Pro vs GPT-4o-mini

Head-to-head technical comparison of intelligence, capabilities, and API pricing.

DeepSeek-V4 Pro

DeepSeek

AI Mastery Index91.8

LMSYS Arena1449

Technical (MMLU-Pro)91.8%

Cost per 1M Tokens$1.32

GPT-4o-mini

OpenAI

AI Mastery Index81

LMSYS Arena1270

Technical (MMLU-Pro)82%

Cost per 1M Tokens$0.15

Architect's Verdict

When comparing DeepSeek-V4 Pro and GPT-4o-mini, DeepSeek-V4 Pro edges out in overall capabilities according to the AI Mastery Index. However, for cost-sensitive workloads, GPT-4o-mini offers a more economical API at $0.15 per 1M tokens. Your choice should depend heavily on whether you prioritize raw reasoning (MMLU) or scalable deployment economics.