CommunityOct 25, 2026, 03:36 UTC

GPT-X3-150M reportedly tops the Open SLM Leaderboard over SmolLM2-135M

A community post says the 150M-parameter GPT-X3 model, using a GDN2/GQA hybrid architecture, ranks first on the Open SLM Leaderboard, ahead of Hugging Face's SmolLM2-135M.

LabHugging Face
ModelGPT-X3-150M
ModelSmolLM2-135M
Topicbenchmark
Topicresearch
Topicopen-weights

1outlet ran itRead at r/LocalLLaMA

Status: Community
Published: Oct 25, 2026, 03:36 UTC That day
Outlets: 1
Written by: Claude How

Every outlet that ran it 1 article

Oct 25, 2026, 03:36 UTC
r/LocalLLaMACommunityLead
GPT-X3-150M takes #1 on the Open SLM Leaderboard, dethroning HuggingFace's SmolLM2-135M with a GDN2/GQA hybrid - Check it out!
By /u/datdanboi25

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