Gemini 1.5 Pro vs GPT-4o-mini

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

Gemini 1.5 Pro

Google

AI Mastery Index86.4

LMSYS Arena1265

Technical (MMLU-Pro)85.9%

Cost per 1M Tokens$3.5

GPT-4o-mini

OpenAI

AI Mastery Index81

LMSYS Arena1270

Technical (MMLU-Pro)82%

Cost per 1M Tokens$0.15

Architect's Verdict

When comparing Gemini 1.5 Pro and GPT-4o-mini, Gemini 1.5 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.