SN3-WT2-EVAL

The 42.6M O(L) SSM+GLA hybrid with bio-mechanisms reaches usable language-modeling quality on WikiText.

Epoch-50 checkpoint (model_wikitext103_epoch50.npz) evaluated on the WikiText-2 test split, 285,952 tokens.

• ◆Architecture (SSM+GLA+bio vs none — ablation configs exist in harness)

• →Perplexity 66.03 · avg loss 4.190 · 2,773 tok/s eval throughput.

• ·The train harness supports ablations (pure SSM, SSM+Hebbian, full) — not all arms were run.

Measured baseline on record. No matched transformer control was evaluated, so no parity claim is made.

Run the ablation arms under the v4 MoE harness.