Which has a longer context window, AFM 4.5B or Polyglot Ko 1.3B?

AFM 4.5B supports 65,536 tokens and Polyglot Ko 1.3B supports 2,048 tokens.

What is the difference between AFM 4.5B and Polyglot Ko 1.3B?

AFM 4.5B is a 4.6B model from Arcee AI, 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.

AFM 4.5B vs Polyglot Ko 1.3B

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

AFM 4.5B

Arcee AI · 4.6B

Chat

Polyglot Ko 1.3B

EleutherAI · 1.4B

Chat

Specifications

	AFM 4.5B	Polyglot Ko 1.3B
Parameters	4.6B	1.4B
Context	66K	2K
Architecture	ArceeForCausalLM	GPTNeoXForCausalLM
License	Apache 2.0	Apache 2.0
Downloads	1.5K	3.9K
Released	Sep 2025	Jun 2023

VRAM by Quantization: AFM 4.5B vs Polyglot Ko 1.3B

Quantization	Bits	AFM 4.5B VRAM	Polyglot Ko 1.3B VRAM
BF16	16.00	9.7 GB	—
FP16	16.00	—	3.1 GB

Verdict

AFM 4.5B supports a longer context window (66K tokens). Polyglot Ko 1.3B is the more widely downloaded of the two.

Frequently Asked Questions

Which has a longer context window, AFM 4.5B or Polyglot Ko 1.3B?: AFM 4.5B supports 65,536 tokens and Polyglot Ko 1.3B supports 2,048 tokens.
What is the difference between AFM 4.5B and Polyglot Ko 1.3B?: AFM 4.5B is a 4.6B model from Arcee AI, 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.