GigaChat 20B A3B Base vs ALLaM 7B Instruct Preview
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| GigaChat 20B A3B Base | ALLaM 7B Instruct Preview | |
|---|---|---|
| Parameters | 20B | 7.0B |
| Context | 131K | 4K |
| Architecture | DeepseekForCausalLM | LlamaForCausalLM |
| License | MIT | Apache 2.0 |
| Downloads | 4.4K | 8.8K |
| Released | Jun 2025 | Jul 2025 |
VRAM by Quantization: GigaChat 20B A3B Base vs ALLaM 7B Instruct Preview
| Quantization | Bits | GigaChat 20B A3B Base VRAM | ALLaM 7B Instruct Preview VRAM |
|---|---|---|---|
| BF16 | 16.00 | 40.5 GB | 15.4 GB |
Verdict
ALLaM 7B Instruct Preview needs less VRAM at BF16 (15.4 GB vs 40.5 GB), so it fits on smaller GPUs. GigaChat 20B A3B Base supports a longer context window (131K tokens). ALLaM 7B Instruct Preview is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, GigaChat 20B A3B Base or ALLaM 7B Instruct Preview?
At BF16, GigaChat 20B A3B Base needs 40.5 GB and ALLaM 7B Instruct Preview needs 15.4 GB, so ALLaM 7B Instruct Preview is the lighter option to run locally.
- Which has a longer context window, GigaChat 20B A3B Base or ALLaM 7B Instruct Preview?
GigaChat 20B A3B Base supports 131,072 tokens and ALLaM 7B Instruct Preview supports 4,096 tokens.
- What is the difference between GigaChat 20B A3B Base and ALLaM 7B Instruct Preview?
GigaChat 20B A3B Base is a 20B model from ai-sage, while ALLaM 7B Instruct Preview is a 7.0B model from humain-ai. Compare their VRAM requirements above to see which fits your GPU or Mac.