virtuous7373/Gemma-4-Harmonia-31B
virtuous7373/Gemma-4-Harmonia-31B is a 31-billion parameter language model based on the Gemma 4 architecture, created through a meticulous three-phase fusion of seven specialized models. This model utilizes advanced merging techniques like Nullspace Coherence Mapping, Context-Aware Binary Selection (CABS), and Covariance Activation Matching to integrate diverse capabilities while minimizing regression. Harmonia is designed for harmonious synthesis, aiming to amplify unique capabilities and maintain logical coherence across its 32768-token context length.
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Harmonious Synthesis: virtuous7373/Gemma-4-Harmonia-31B
Harmonia is a 31-billion parameter model built upon the Gemma 4 architecture, developed by virtuous7373. It distinguishes itself through a sophisticated, multi-stage fusion protocol that combines seven elite foundation and specialized models, moving beyond simple linear blending to preserve and enhance core capabilities.
Key Methodological Innovations
- Nullspace Coherence Mapping (Phase I): This technique anchors base capabilities by combining
Gemma-4-31B-BasewithGarnetV2-31B. It uses low-rank Singular Value Decomposition (SVD) to project donor features onto the null-space of base weights, preventing distortion of core intelligence. - Surgical Synaptic Gating (Phase II): Integrating
MeroMero-31BandGembrain-31B, this phase employs Context-Aware Binary Selection (CABS) for structured, localized parameter gating. It retains optimal synapses through precise structural pruning ratios (e.g., 16:32, 11:33) to weave in complex creative reasoning without neural interference. - Covariance Activation Matching (Phase III): In the final stage,
Equinox-31B,Fabled-Gemma4, andOrtenzya-The-Creative-Wordsmithare combined. ACTMat reconstructs layer-wise input activation properties using data-free covariance estimation via task vectors, aligning semantic representations in the activation space.
Model Lineage
Harmonia is a merge of several models, including Fabled-Gemma4-31B (Lambent), gemma-4-31B (Google), Gemma4-GarnetV2-31B (ConicCat), G4-MeroMero-31B (Zerofata), Gemma-4-Gembrain-31B (Nimbz), Ortenzya-The-Creative-Wordsmith (llmfan46), and Equinox-31B (LatitudeGames).