StandardOne-8B-FP8

StandardOne-8B-FP8 is an FP8 (compressed-tensors, float8_e4m3 weights, dynamic per-token activations) quantization of the released StandardOne-8B decision model. The language-model linear projections (q/k/v/o, gate/up/down) are quantized per-channel FP8 E4M3 with dynamic FP8 activations (llm-compressor's data-free FP8_DYNAMIC recipe, no calibration data required); the vision tower, multi-modal projector, embeddings and lm_head are left unquantized in BF16. It was produced from source revision e88423700bb5ab9b2f50e176cf19825914345272 of StandardOne-8B on 2026-09-25 using llm-compressor 0.14.0 (torch 2.14.0, transformers 5.17.0, compressed-tensors 0.19.0); results below.

Validation

Served through SGLang 0.5.20 and jev-adapter (native wording, no system prompt, one option order) on the same items as the BF16 release, measured 2026-09-25. Accuracy is argmax and does not depend on temperature.

Suite BF16 (StandardOne-8B) FP8 (this repository)
JevBench public easy (48) 100.00 % 100.00 %
JevBench public standard (72) 94.44 % 94.44 %
JevBench public hard (111) 54.95 % 51.35 %
judge proxy (600) 90.50 % 90.17 %
realistic transfer set (600) 90.33 % 90.00 %
stated-distribution probability (1,036) 81.37 % 81.27 %
hard proxy (600) 52.50 % 52.33 %

Temperature refit on this checkpoint's own served probabilities (same held-out calibration data as the BF16 release): T = 1.4 (BF16 release: T = 1.65). Serve with --default-temperature 1.4.

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