AI21 Jamba Reasoning 3B vs ALLaM 7B Instruct Preview
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| AI21 Jamba Reasoning 3B | ALLaM 7B Instruct Preview | |
|---|---|---|
| Parameters | 3.2B | 7.0B |
| Context | 262K | 4K |
| Architecture | JambaForCausalLM | LlamaForCausalLM |
| License | Apache 2.0 | Apache 2.0 |
| Downloads | 2.9K | 8.8K |
| Released | Oct 2025 | Jul 2025 |
VRAM by Quantization: AI21 Jamba Reasoning 3B vs ALLaM 7B Instruct Preview
| Quantization | Bits | AI21 Jamba Reasoning 3B VRAM | ALLaM 7B Instruct Preview VRAM |
|---|---|---|---|
| BF16 | 16.00 | 6.7 GB | 15.4 GB |
Verdict
AI21 Jamba Reasoning 3B needs less VRAM at BF16 (6.7 GB vs 15.4 GB), so it fits on smaller GPUs. AI21 Jamba Reasoning 3B supports a longer context window (262K tokens). ALLaM 7B Instruct Preview is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, AI21 Jamba Reasoning 3B or ALLaM 7B Instruct Preview?
At BF16, AI21 Jamba Reasoning 3B needs 6.7 GB and ALLaM 7B Instruct Preview needs 15.4 GB, so AI21 Jamba Reasoning 3B is the lighter option to run locally.
- Which has a longer context window, AI21 Jamba Reasoning 3B or ALLaM 7B Instruct Preview?
AI21 Jamba Reasoning 3B supports 262,144 tokens and ALLaM 7B Instruct Preview supports 4,096 tokens.
- What is the difference between AI21 Jamba Reasoning 3B and ALLaM 7B Instruct Preview?
AI21 Jamba Reasoning 3B is a 3.2B model from AI21 Labs, 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.