Huihui GPT OSS 20B BF16 Abliterated vs GPT OSS 20B

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

GPT OSS 20B

OpenAI · 21.5B

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Specifications

Huihui GPT OSS 20B BF16 AbliteratedGPT OSS 20B
Parameters20.9B21.5B
Context131K131K
ArchitectureGptOssForCausalLMGptOssForCausalLM
LicenseApache 2.0Apache 2.0
Downloads30.1K7.6M
ReleasedSep 2025Aug 2025

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

QuantizationBitsHuihui GPT OSS 20B BF16 Abliterated VRAMGPT OSS 20B VRAM
Q2_K3.409.5 GB
Q3_K_M3.9010.9 GB
Q3_K_S3.509.8 GB
Q4_04.0011.1 GB
Q4_K_M4.8013.3 GB
Q5_K_M5.7015.7 GB
Q6_K6.6018.1 GB
Q8_08.0021.3 GB21.9 GB

Verdict

Huihui GPT OSS 20B BF16 Abliterated needs less VRAM at Q8_0 (21.3 GB vs 21.9 GB), so it fits on smaller GPUs. GPT OSS 20B 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?

At Q8_0, Huihui GPT OSS 20B BF16 Abliterated needs 21.3 GB and GPT OSS 20B needs 21.9 GB, so Huihui GPT OSS 20B BF16 Abliterated is the lighter option to run locally.

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

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

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

Huihui GPT OSS 20B BF16 Abliterated is a 20.9B model from huihui-ai (GPT-OSS family), while GPT OSS 20B is a 21.5B model from OpenAI (GPT-OSS family). Compare their VRAM requirements above to see which fits your GPU or Mac.