Gemma 3 12B vs OpenAI o4-mini

Compare Gemma 3 12B by Google AI against OpenAI o4-mini by OpenAI, tested across 35 shared challenges. Updated March 2026.

Which is better, Gemma 3 12B or OpenAI o4-mini?

Gemma 3 12B and OpenAI o4-mini are both competitive models. Gemma 3 12B costs $0.03/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.

Key Differences Between Gemma 3 12B and OpenAI o4-mini

Gemma 3 12B is made by google while OpenAI o4-mini is from openai. On pricing, Gemma 3 12B costs $0.03/M input tokens vs $1.1/M for OpenAI o4-mini.

Our Verdict
Gemma 3 12B
Gemma 3 12B
OpenAI o4-mini
OpenAI o4-mini

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Gemma 3 12B is 147x cheaper per token — worth considering if cost matters.

Too close to call

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