AI21 Jamba Reasoning 3B vs WizardLM 2 8x22B
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| AI21 Jamba Reasoning 3B | WizardLM 2 8x22B | |
|---|---|---|
| Parameters | 3.2B | 140.6B |
| Context | 262K | 66K |
| Architecture | JambaForCausalLM | MixtralForCausalLM |
| License | Apache 2.0 | Apache 2.0 |
| Downloads | 2.9K | 9.9K |
| Released | Oct 2025 | — |
VRAM by Quantization: AI21 Jamba Reasoning 3B vs WizardLM 2 8x22B
| Quantization | Bits | AI21 Jamba Reasoning 3B VRAM | WizardLM 2 8x22B VRAM |
|---|---|---|---|
| BF16 | 16.00 | 6.7 GB | 282.0 GB |
Verdict
AI21 Jamba Reasoning 3B needs less VRAM at BF16 (6.7 GB vs 282.0 GB), so it fits on smaller GPUs. AI21 Jamba Reasoning 3B supports a longer context window (262K tokens). WizardLM 2 8x22B is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, AI21 Jamba Reasoning 3B or WizardLM 2 8x22B?
At BF16, AI21 Jamba Reasoning 3B needs 6.7 GB and WizardLM 2 8x22B needs 282.0 GB, so AI21 Jamba Reasoning 3B is the lighter option to run locally.
- Which has a longer context window, AI21 Jamba Reasoning 3B or WizardLM 2 8x22B?
AI21 Jamba Reasoning 3B supports 262,144 tokens and WizardLM 2 8x22B supports 65,536 tokens.
- What is the difference between AI21 Jamba Reasoning 3B and WizardLM 2 8x22B?
AI21 Jamba Reasoning 3B is a 3.2B model from AI21 Labs, while WizardLM 2 8x22B is a 140.6B model from alpindale. Compare their VRAM requirements above to see which fits your GPU or Mac.