Is Yi-1.5-6B-Chat or llama-3-youko-8b smaller?

Both publish quantizations; compare the table for the exact sizes.

Which uses less memory at long context?

Yi-1.5-6B-Chat — its KV cache at 32K context is 2.0x smaller, because of how its attention layers cache.

Model comparison

Yi-1.5-6B-Chat vs llama-3-youko-8b

These two publish different quantization sets; the table below has the exact sizes. At long context the gap widens: Yi-1.5-6B-Chat's KV cache at 32K is 2.0× smaller, which usually matters more than the difference in weights.

From the file· summed bytes, KV per layer

Side by side

	Yi-1.5-6B-Chat	llama-3-youko-8b
Parameters	6.1B	8.0B
Architecture	llama	llama
Layers	32	32
Native context	4,096	8,192
Mixture of experts	no	no
Quantizations published	29	2
Smallest quantization	2.18 GiB	5.34 GiB
Q4_K_M	3.42 GiB	—
Licence	—	llama3

KV cache by context

the term that decides long-context viability

Context	Yi-1.5-6B-Chat	llama-3-youko-8b	Ratio
4,096	0.25 GiB	0.50 GiB	2.00×
8,192	0.50 GiB	1.00 GiB	2.00×
16,384	1.00 GiB	2.00 GiB	2.00×
32,768	2.00 GiB	4.00 GiB	2.00×
65,536	4.00 GiB	8.00 GiB	2.00×
131,072	8.00 GiB	16.00 GiB	2.00×