Huihui GPT OSS 20B BF16 Abliterated vs GPT OSS 120B

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

GPT OSS 120B

OpenAI · 120.4B

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Specifications

Huihui GPT OSS 20B BF16 AbliteratedGPT OSS 120B
Parameters20.9B120.4B
Context131K131K
ArchitectureGptOssForCausalLMGptOssForCausalLM
LicenseApache 2.0Apache 2.0
Downloads30.1K4.5M
ReleasedSep 2025Aug 2025

VRAM by Quantization: Huihui GPT OSS 20B BF16 Abliterated vs GPT OSS 120B

QuantizationBitsHuihui GPT OSS 20B BF16 Abliterated VRAMGPT OSS 120B VRAM
Q2_K3.4051.6 GB
Q3_K_M3.9059.1 GB
Q3_K_S3.5053.1 GB
Q4_04.0060.6 GB
Q4_K_M4.8072.7 GB
Q5_K_M5.7086.2 GB
Q6_K6.6099.8 GB
Q8_08.0021.3 GB120.8 GB

Verdict

Huihui GPT OSS 20B BF16 Abliterated needs less VRAM at Q8_0 (21.3 GB vs 120.8 GB), so it fits on smaller GPUs. GPT OSS 120B is the more widely downloaded of the two.

Frequently Asked Questions

Which needs less VRAM, Huihui GPT OSS 20B BF16 Abliterated or GPT OSS 120B?

At Q8_0, Huihui GPT OSS 20B BF16 Abliterated needs 21.3 GB and GPT OSS 120B needs 120.8 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 120B?

Huihui GPT OSS 20B BF16 Abliterated supports 131,072 tokens and GPT OSS 120B supports 131,072 tokens.

What is the difference between Huihui GPT OSS 20B BF16 Abliterated and GPT OSS 120B?

Huihui GPT OSS 20B BF16 Abliterated is a 20.9B model from huihui-ai (GPT-OSS family), while GPT OSS 120B is a 120.4B model from OpenAI (GPT-OSS family). Compare their VRAM requirements above to see which fits your GPU or Mac.