Gemma 3 12B vs GPT-5.2

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

GPT-5.2 by OpenAI wins on 1 of 2 benchmarks against Gemma 3 12B by Google, which leads on 0. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from the AI Value Index.

Category-by-Category Breakdown

Context: In context, GPT-5.2 scores 400K on Context Length compared to Gemma 3 12B's 131K.

Speed Comparison

Gemma 3 12B generates output at 90 tok/s compared to GPT-5.2's 90 tok/s. Both models offer similar output speed.

Verdict

Gemma 3 12B and GPT-5.2 are closely matched. The best choice depends on your specific use case and priorities.

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Gemma 3 12B vs GPT-5.2 — FAQ

Which is better, Gemma 3 12B or GPT-5.2?

GPT-5.2 wins on more benchmarks overall (1 vs 0). However, the best choice depends on your specific needs — each model excels in different areas.

How does Gemma 3 12B compare to GPT-5.2 for coding?

SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.

Is Gemma 3 12B cheaper than GPT-5.2?

Complete pricing data is not available for both models. Check the pricing section of the comparison above for available cost information.

Which is faster, Gemma 3 12B or GPT-5.2?

Both models generate output at the same speed of 90 tok/s.

What benchmarks does the Gemma 3 12B vs GPT-5.2 comparison cover?

This comparison covers 2 benchmarks including Output Speed, Context Length. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.