What is the difference between AI21 Jamba Mini 1.5 and Polyglot Ko 1.3B?

AI21 Jamba Mini 1.5 is a 51.6B 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.

AI21 Jamba Mini 1.5 vs Polyglot Ko 1.3B

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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Polyglot Ko 1.3B

EleutherAI · 1.4B

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Specifications

	AI21 Jamba Mini 1.5	Polyglot Ko 1.3B
Parameters	51.6B	1.4B
Context	—	2K
Architecture	—	GPTNeoXForCausalLM
License	Other	Apache 2.0
Downloads	10.0K	3.9K
Released	Feb 2026	Jun 2023

VRAM by Quantization: AI21 Jamba Mini 1.5 vs Polyglot Ko 1.3B

Quantization	Bits	AI21 Jamba Mini 1.5 VRAM	Polyglot Ko 1.3B VRAM
BF16	16.00	113.5 GB	—
FP16	16.00	—	3.1 GB

Verdict

AI21 Jamba Mini 1.5 is the more widely downloaded of the two.

Frequently Asked Questions

What is the difference between AI21 Jamba Mini 1.5 and Polyglot Ko 1.3B?: AI21 Jamba Mini 1.5 is a 51.6B 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.