scaling laws — parameters, tokens, compute, and what changed in 2026 loss vs training compute log10 compute (FLOPs) cross-entropy loss 18 20 22 24 26 3.5 2.8 2.2 1.9 1.7 Kaplan 2020 (under-trained) Chinchilla 2022 (D/N ≈ 20) E (irreducible) GPT-3 Chinchilla 70B Llama 3 70B compute = 6 × N × D N parameters (capacity) D training tokens (usage) trade at fixed C min L = A/N^α + B/D^β + E α ≈ 0.34, β ≈ 0.28, E ≈ 1.69 the 2026 twist — Chinchilla-optimal: minimize TRAINING loss per FLOP — inference-optimal: bigger D, smaller N (over-train) — Llama 3 8B: D/N ≈ 1875 (15T tokens, 8B params) — data quality (Phi-style filtering) >2× effective FLOPs — MoE decouples total params from active FLOPs — Muon optimizer: 2× training-FLOP efficiency vs AdamW — "emergence" is often a scoring artifact; loss is smooth same power-law shape, different absolute constants. still the map frontier labs plan against.