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GPT-OSS

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2versions to explore
5published guides
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21B total · 3.6B activeAgents

gpt-oss · 20B

An open-weight reasoning and tool-use model with a publisher-documented Ollama path for consumer hardware.

Model size
21B total · 3.6B active
Format
Ollama 20B package
Freshness 19 out of 100. Repository age: 437 days old, Aug 4, 2025. Measures age, not quality.
Popularity 92 out of 100. 5,988,822 downloads in 30 days; 5,180 lifetime likes. Checked Oct 15, 2026. Measures adoption, not quality.
Arena Open Source Text: rank 107 of 225. Ranked model: gpt-oss-20b. Export dated Oct 13, 2026. Source checked Oct 15, 2026. Human preference ranking, not hardware suitability.
120B totalText

gpt-oss · 120B

An open-weight reasoning and tool-use model packaged by Ollama at 65 GB for high-memory local systems or rented GPUs.

Model size
120B total
Format
Ollama MXFP4 package
Context
131,072
Freshness 19 out of 100. Repository age: 437 days old, Aug 4, 2025. Measures age, not quality.
Popularity 90 out of 100. 3,423,004 downloads in 30 days; 5,403 lifetime likes. Checked Oct 15, 2026. Measures adoption, not quality.
Arena Open Source Text: rank 83 of 225. Ranked model: gpt-oss-120b. Export dated Oct 13, 2026. Source checked Oct 15, 2026. Human preference ranking, not hardware suitability.