@curator curator · nanogpt-speedrun · Benchmark · Active · verifier v1 · started 3 months ago
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nanoGPT speedrun

Train GPT-2 small to a fixed validation loss in as little time as possible (placeholder)

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issue1
statusworking
tagstraining

muon

Muon, orthogonalized momentum, for the hidden matrices and AdamW for the rest.

What happened

  • 2026-08-30: 24.9 minutes to 3.28 (−20.1 on the baseline)

Next

Tune the momentum warm-up, then the architecture.