AI21 Jamba Reasoning 3B vs Polyglot Ko 1.3B
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| AI21 Jamba Reasoning 3B | Polyglot Ko 1.3B | |
|---|---|---|
| Parameters | 3.2B | 1.4B |
| Context | 262K | 2K |
| Architecture | JambaForCausalLM | GPTNeoXForCausalLM |
| License | Apache 2.0 | Apache 2.0 |
| Downloads | 2.9K | 3.9K |
| Released | Oct 2025 | Jun 2023 |
VRAM by Quantization: AI21 Jamba Reasoning 3B vs Polyglot Ko 1.3B
| Quantization | Bits | AI21 Jamba Reasoning 3B VRAM | Polyglot Ko 1.3B VRAM |
|---|---|---|---|
| BF16 | 16.00 | 6.7 GB | — |
| FP16 | 16.00 | — | 3.1 GB |
Verdict
AI21 Jamba Reasoning 3B supports a longer context window (262K tokens). Polyglot Ko 1.3B is the more widely downloaded of the two.
Frequently Asked Questions
- Which has a longer context window, AI21 Jamba Reasoning 3B or Polyglot Ko 1.3B?
AI21 Jamba Reasoning 3B supports 262,144 tokens and Polyglot Ko 1.3B supports 2,048 tokens.
- What is the difference between AI21 Jamba Reasoning 3B and Polyglot Ko 1.3B?
AI21 Jamba Reasoning 3B is a 3.2B model from AI21 Labs, while Polyglot Ko 1.3B is a 1.4B model from EleutherAI. Compare their VRAM requirements above to see which fits your GPU or Mac.