Which needs less VRAM, 42dot LLM PLM 1.3B or AI21 Jamba Mini 1.5?

At BF16, 42dot LLM PLM 1.3B needs 3.6 GB and AI21 Jamba Mini 1.5 needs 113.5 GB, so 42dot LLM PLM 1.3B is the lighter option to run locally.

What is the difference between 42dot LLM PLM 1.3B and AI21 Jamba Mini 1.5?

42dot LLM PLM 1.3B is a 1.4B model from 42dot, while AI21 Jamba Mini 1.5 is a 51.6B model from AI21 Labs. Compare their VRAM requirements above to see which fits your GPU or Mac.

42dot LLM PLM 1.3B vs AI21 Jamba Mini 1.5

Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.

42dot LLM PLM 1.3B

42dot · 1.4B

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AI21 Jamba Mini 1.5

AI21 Labs · 51.6B

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Specifications

	42dot LLM PLM 1.3B	AI21 Jamba Mini 1.5
Parameters	1.4B	51.6B
Context	4K	—
Architecture	LlamaForCausalLM	—
License	CC BY-NC 4.0	Other
Downloads	1.1K	10.0K
Released	Feb 2024	Feb 2026

VRAM by Quantization: 42dot LLM PLM 1.3B vs AI21 Jamba Mini 1.5

Quantization	Bits	42dot LLM PLM 1.3B VRAM	AI21 Jamba Mini 1.5 VRAM
BF16	16.00	3.6 GB	113.5 GB

Verdict

42dot LLM PLM 1.3B needs less VRAM at BF16 (3.6 GB vs 113.5 GB), so it fits on smaller GPUs. AI21 Jamba Mini 1.5 is the more widely downloaded of the two.

Frequently Asked Questions

Which needs less VRAM, 42dot LLM PLM 1.3B or AI21 Jamba Mini 1.5?: At BF16, 42dot LLM PLM 1.3B needs 3.6 GB and AI21 Jamba Mini 1.5 needs 113.5 GB, so 42dot LLM PLM 1.3B is the lighter option to run locally.
What is the difference between 42dot LLM PLM 1.3B and AI21 Jamba Mini 1.5?: 42dot LLM PLM 1.3B is a 1.4B model from 42dot, while AI21 Jamba Mini 1.5 is a 51.6B model from AI21 Labs. Compare their VRAM requirements above to see which fits your GPU or Mac.