GPT OSS Safeguard 20B vs GPT OSS 20B Heretic Ara v3

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

GPT OSS Safeguard 20B

OpenAI · 21.5B

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Specifications

GPT OSS Safeguard 20BGPT OSS 20B Heretic Ara v3
Parameters21.5B1.8B
Context131K131K
ArchitectureGptOssForCausalLMGptOssForCausalLM
LicenseApache 2.0Apache 2.0
Downloads43.0K1.1K
ReleasedJan 2026Mar 2026

VRAM by Quantization: GPT OSS Safeguard 20B vs GPT OSS 20B Heretic Ara v3

QuantizationBitsGPT OSS Safeguard 20B VRAMGPT OSS 20B Heretic Ara v3 VRAM
BF1616.0043.4 GB
IQ4_NL4.501.4 GB
Q5_15.501.6 GB
Q8_08.002.2 GB

Verdict

GPT OSS Safeguard 20B is the more widely downloaded of the two.

Frequently Asked Questions

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

GPT OSS Safeguard 20B supports 131,072 tokens and GPT OSS 20B Heretic Ara v3 supports 131,072 tokens.

What is the difference between GPT OSS Safeguard 20B and GPT OSS 20B Heretic Ara v3?

GPT OSS Safeguard 20B is a 21.5B model from OpenAI (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.