Huihui GPT OSS 20B BF16 Abliterated vs GPT OSS 20B Heretic Ara v3

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

Specifications

Huihui GPT OSS 20B BF16 AbliteratedGPT OSS 20B Heretic Ara v3
Parameters20.9B1.8B
Context131K131K
ArchitectureGptOssForCausalLMGptOssForCausalLM
LicenseApache 2.0Apache 2.0
Downloads30.1K1.1K
ReleasedSep 2025Mar 2026

VRAM by Quantization: Huihui GPT OSS 20B BF16 Abliterated vs GPT OSS 20B Heretic Ara v3

QuantizationBitsHuihui GPT OSS 20B BF16 Abliterated VRAMGPT OSS 20B Heretic Ara v3 VRAM
IQ4_NL4.5012.1 GB1.4 GB
Q5_15.5014.8 GB1.6 GB
Q8_08.0021.3 GB2.2 GB

Verdict

GPT OSS 20B Heretic Ara v3 needs less VRAM at IQ4_NL (1.4 GB vs 12.1 GB), so it fits on smaller GPUs. Huihui GPT OSS 20B BF16 Abliterated is the more widely downloaded of the two.

Frequently Asked Questions

Which needs less VRAM, Huihui GPT OSS 20B BF16 Abliterated or GPT OSS 20B Heretic Ara v3?

At IQ4_NL, Huihui GPT OSS 20B BF16 Abliterated needs 12.1 GB and GPT OSS 20B Heretic Ara v3 needs 1.4 GB, so GPT OSS 20B Heretic Ara v3 is the lighter option to run locally.

Which has a longer context window, Huihui GPT OSS 20B BF16 Abliterated or GPT OSS 20B Heretic Ara v3?

Huihui GPT OSS 20B BF16 Abliterated supports 131,072 tokens and GPT OSS 20B Heretic Ara v3 supports 131,072 tokens.

What is the difference between Huihui GPT OSS 20B BF16 Abliterated and GPT OSS 20B Heretic Ara v3?

Huihui GPT OSS 20B BF16 Abliterated is a 20.9B model from huihui-ai (GPT-OSS family), while GPT OSS 20B Heretic Ara v3 is a 1.8B model from p-e-w (GPT-OSS family). Compare their VRAM requirements above to see which fits your GPU or Mac.