Which needs less VRAM, AI21 Jamba Mini 1.5 or Amber?

At BF16, AI21 Jamba Mini 1.5 needs 113.5 GB and Amber needs 14.8 GB, so Amber is the lighter option to run locally.

What is the difference between AI21 Jamba Mini 1.5 and Amber?

AI21 Jamba Mini 1.5 is a 51.6B model from AI21 Labs, while Amber is a 6.7B model from LLM360. Compare their VRAM requirements above to see which fits your GPU or Mac.

AI21 Jamba Mini 1.5 vs Amber

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

AI21 Jamba Mini 1.5

AI21 Labs · 51.6B

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Amber

LLM360 · 6.7B

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Specifications

	AI21 Jamba Mini 1.5	Amber
Parameters	51.6B	6.7B
Context	—	2K
Architecture	—	LlamaForCausalLM
License	Other	Apache 2.0
Downloads	10.0K	53.0K
Released	Feb 2026	Oct 2025

VRAM by Quantization: AI21 Jamba Mini 1.5 vs Amber

Quantization	Bits	AI21 Jamba Mini 1.5 VRAM	Amber VRAM
BF16	16.00	113.5 GB	14.8 GB

Verdict

Amber needs less VRAM at BF16 (14.8 GB vs 113.5 GB), so it fits on smaller GPUs. Amber is the more widely downloaded of the two.

Frequently Asked Questions

Which needs less VRAM, AI21 Jamba Mini 1.5 or Amber?: At BF16, AI21 Jamba Mini 1.5 needs 113.5 GB and Amber needs 14.8 GB, so Amber is the lighter option to run locally.
What is the difference between AI21 Jamba Mini 1.5 and Amber?: AI21 Jamba Mini 1.5 is a 51.6B model from AI21 Labs, while Amber is a 6.7B model from LLM360. Compare their VRAM requirements above to see which fits your GPU or Mac.