Gemma 3 12B IT Heretic v2 vs Gemma3 1B IT
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Gemma 3 12B IT Heretic v2 | Gemma3 1B IT | |
|---|---|---|
| Parameters | 12.2B | 1B |
| Context | 131K | — |
| Architecture | Gemma3ForConditionalGeneration | — |
| License | Gemma Terms | Gemma Terms |
| Downloads | 8.6K | 14.8K |
| Released | Mar 2026 | May 2026 |
VRAM by Quantization: Gemma 3 12B IT Heretic v2 vs Gemma3 1B IT
| Quantization | Bits | Gemma 3 12B IT Heretic v2 VRAM | Gemma3 1B IT VRAM |
|---|---|---|---|
| BF16 | 16.00 | 25.4 GB | 2.2 GB |
Verdict
Gemma3 1B IT needs less VRAM at BF16 (2.2 GB vs 25.4 GB), so it fits on smaller GPUs. Gemma3 1B IT is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, Gemma 3 12B IT Heretic v2 or Gemma3 1B IT?
At BF16, Gemma 3 12B IT Heretic v2 needs 25.4 GB and Gemma3 1B IT needs 2.2 GB, so Gemma3 1B IT is the lighter option to run locally.
- What is the difference between Gemma 3 12B IT Heretic v2 and Gemma3 1B IT?
Gemma 3 12B IT Heretic v2 is a 12.2B model from DreamFast (Gemma family), while Gemma3 1B IT is a 1B model from litert-community (Gemma family). Compare their VRAM requirements above to see which fits your GPU or Mac.