GPT-X3-150M tops Open SLM Leaderboard, dethrones SmolLM2-135M with GDN2/GQA hybrid
datdanboi25 · reddit · 2026-10-25
AxiomicLabs' GPT-X3-150M takes #1 on the Open SLM Leaderboard with an Intelligence Index of 33.05, beating HuggingFace's SmolLM2-135M (27.13) to become the strongest generalist base model ever evaluated under 150M parameters.
It uses a GDN2/GQA hybrid architecture, was trained with roughly 27× fewer tokens, and ran on consumer hardware. Weights are open on Hugging Face.
Related event: GPT-X3-150M tops Open SLM Leaderboard with fraction of training compute(2 posts)→
More from Models
- User reports dot's web fetch stays restricted after removing a custom connector — MotherIsland8888 · 2026-10-25
- $0.48 and 43 minutes: DeepSeek V4.1 builds an interactive map, igniting cost vs capability debate — teortaxesTex · 2026-10-25
- Do ISTA's 2-bit GSQ-RCO DeepSeek quants really match the base model? Community asks for KLD — Queasy_Back2588 · 2026-10-25
- Open-source DNA model Carbon-X (14.8B) nears frontier scores on genomics at 1/1800th the cost — aigclink · 2026-10-25
- MemT 1.0: 293B memory-native MoE puts persistent memory inside the forward pass — AKAMA199 · 2026-10-25
- Apple's on-device Foundation Model tested: 45/49 on routing, but easily prompt-injected — NellWatson · 2026-10-25