Gemma 3 12B IT vs Gemma 3 1B 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 3 1B IT

Google · 1000M

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Specifications

Gemma 3 12B ITGemma 3 1B IT
Parameters12.2B1000M
Context33K33K
Architecture
LicenseGemma TermsGemma Terms
Downloads3.0M1.8M
ReleasedApr 2025

VRAM by Quantization: Gemma 3 12B IT vs Gemma 3 1B IT

QuantizationBitsGemma 3 12B IT VRAMGemma 3 1B IT VRAM
Q2_K3.405.7 GB0.5 GB
Q3_K_M3.906.5 GB0.5 GB
Q3_K_S3.505.9 GB0.5 GB
Q4_04.006.7 GB0.6 GB
Q4_K_M4.808.0 GB0.7 GB
Q5_K_M5.709.6 GB0.8 GB
Q6_K6.6011.1 GB0.9 GB
Q8_08.001.1 GB

Verdict

Gemma 3 1B IT needs less VRAM at Q4_K_M (0.7 GB vs 8.0 GB), so it fits on smaller GPUs. Gemma 3 12B IT is the more widely downloaded of the two.

Frequently Asked Questions

Which needs less VRAM, Gemma 3 12B IT or Gemma 3 1B IT?

At Q4_K_M, Gemma 3 12B IT needs 8.0 GB and Gemma 3 1B IT needs 0.7 GB, so Gemma 3 1B IT is the lighter option to run locally.

Which has a longer context window, Gemma 3 12B IT or Gemma 3 1B IT?

Gemma 3 12B IT supports 32,768 tokens and Gemma 3 1B IT supports 32,768 tokens.

What is the difference between Gemma 3 12B IT and Gemma 3 1B IT?

Gemma 3 12B IT is a 12.2B model from Google (Gemma family), while Gemma 3 1B IT is a 1000M model from Google (Gemma family). Compare their VRAM requirements above to see which fits your GPU or Mac.