Gemma 3 12B IT vs Gemma 4 31B IT

Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.

Gemma 3 12B IT

Google · 12.2B

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Gemma 4 31B IT

Google · 32.7B

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Specifications

Gemma 3 12B ITGemma 4 31B IT
Parameters12.2B32.7B
Context33K262K
ArchitectureGemma4ForConditionalGeneration
LicenseGemma TermsApache 2.0
Downloads3.0M11.1M
Released

VRAM by Quantization: Gemma 3 12B IT vs Gemma 4 31B IT

QuantizationBitsGemma 3 12B IT VRAMGemma 4 31B IT VRAM
Q2_K3.405.7 GB15.5 GB
Q3_K_M3.906.5 GB17.6 GB
Q3_K_S3.505.9 GB
Q4_04.006.7 GB
Q4_K_M4.808.0 GB21.2 GB
Q5_K_M5.709.6 GB24.9 GB
Q6_K6.6011.1 GB28.6 GB
Q8_08.0013.4 GB34.3 GB

Verdict

Gemma 3 12B IT needs less VRAM at Q4_K_M (8.0 GB vs 21.2 GB), so it fits on smaller GPUs. Gemma 4 31B IT supports a longer context window (262K tokens). Gemma 4 31B IT is the more widely downloaded of the two.

Frequently Asked Questions

Which needs less VRAM, Gemma 3 12B IT or Gemma 4 31B IT?

At Q4_K_M, Gemma 3 12B IT needs 8.0 GB and Gemma 4 31B IT needs 21.2 GB, so Gemma 3 12B IT is the lighter option to run locally.

Which has a longer context window, Gemma 3 12B IT or Gemma 4 31B IT?

Gemma 3 12B IT supports 32,768 tokens and Gemma 4 31B IT supports 262,144 tokens.

What is the difference between Gemma 3 12B IT and Gemma 4 31B IT?

Gemma 3 12B IT is a 12.2B model from Google (Gemma family), while Gemma 4 31B IT is a 32.7B model from Google (Gemma family). Compare their VRAM requirements above to see which fits your GPU or Mac.