Which has a longer context window, 42dot LLM PLM 1.3B or Arch Router 1.5B?

42dot LLM PLM 1.3B supports 4,096 tokens and Arch Router 1.5B supports 32,768 tokens.

What is the difference between 42dot LLM PLM 1.3B and Arch Router 1.5B?

42dot LLM PLM 1.3B is a 1.4B model from 42dot, while Arch Router 1.5B is a 1.5B model from katanemo. Compare their VRAM requirements above to see which fits your GPU or Mac.

42dot LLM PLM 1.3B vs Arch Router 1.5B

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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Arch Router 1.5B

katanemo · 1.5B

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Specifications

	42dot LLM PLM 1.3B	Arch Router 1.5B
Parameters	1.4B	1.5B
Context	4K	33K
Architecture	LlamaForCausalLM	Qwen2ForCausalLM
License	CC BY-NC 4.0	Other
Downloads	1.1K	1.6K
Released	Feb 2024	Apr 2026

VRAM by Quantization: 42dot LLM PLM 1.3B vs Arch Router 1.5B

Quantization	Bits	42dot LLM PLM 1.3B VRAM	Arch Router 1.5B VRAM
BF16	16.00	3.6 GB	—
FP16	16.00	—	3.5 GB

Verdict

Arch Router 1.5B supports a longer context window (33K tokens). Arch Router 1.5B is the more widely downloaded of the two.

Frequently Asked Questions

Which has a longer context window, 42dot LLM PLM 1.3B or Arch Router 1.5B?: 42dot LLM PLM 1.3B supports 4,096 tokens and Arch Router 1.5B supports 32,768 tokens.
What is the difference between 42dot LLM PLM 1.3B and Arch Router 1.5B?: 42dot LLM PLM 1.3B is a 1.4B model from 42dot, while Arch Router 1.5B is a 1.5B model from katanemo. Compare their VRAM requirements above to see which fits your GPU or Mac.