{ "packFormat": 1, "direction": "en-pt", "source": "en", "target": "pt", "model": { "catalogueId": "translate-tc-big-en-pt", "repo": "WindyTranslate/translate-tc-big-en-pt", "revision": "a62035cefd24be14d58d06fa3e83081a762f9082", "baseModel": "Helsinki-NLP/opus-mt-tc-big-en-pt" }, "licence": "CC-BY-4.0", "attribution": "Based on OPUS-MT model Helsinki-NLP/opus-mt-tc-big-en-pt by Helsinki-NLP (Language Technology Research Group, University of Helsinki). Licensed CC-BY-4.0.", "notice": "This product uses the model WindyTranslate/translate-tc-big-en-pt\n(https://huggingface.co/WindyTranslate/translate-tc-big-en-pt), published by Windstorm Labs (https://windstormlabs.com).\nBased on OPUS-MT model Helsinki-NLP/opus-mt-tc-big-en-pt by Helsinki-NLP (Language Technology Research Group, University of Helsinki). Licensed CC-BY-4.0.\nWindstorm Labs modified the upstream weights; the model card describes what was changed.\nLicensed under Creative Commons Attribution 4.0 International: https://creativecommons.org/licenses/by/4.0/", "runtime": { "engine": "onnxruntime", "opset": 17, "weights": "int8 (dynamic quantization, MatMul; embedding int8 shared)", "files": { "encoder": "encoder.onnx", "decoder": "decoder.onnx", "sharedEmbedding": "embed.bin (external data of both graphs; keep it next to them)", "sourceTokenizer": "source.spm", "targetTokenizer": "target.spm", "vocab": "vocab.json", "config": "model_config.json" }, "tokenizer": "SentencePiece PIECES from source.spm mapped to ids through vocab.json (unknown piece -> ), then . Raw SentencePiece ids are NOT model ids. Do not use onnxruntime-extensions' tokenizer op.", "sourcePrefixToken": ">>por<<", "decoding": { "decoderStartTokenId": 54775, "eosTokenId": 44670, "padTokenId": 54775, "neverGenerate": [ 54775 ], "beam": 4, "lengthNormalisation": "sum log-prob / output length", "maxNewTokens": 256 }, "encoder": { "inputs": [ "input_ids [b,s] int64", "attention_mask [b,s] int64" ], "outputs": [ "cross_k_i / cross_v_i [b,16,s,64] for i in 0..5" ] }, "decoder": { "inputs": [ "input_ids [b,1] int64 (start token on step 1, then the last token)", "encoder_attention_mask [b,s] int64", "past_k_i / past_v_i [b,16,t,64] float32 (t = 0 on step 1)", "cross_k_i / cross_v_i (from the encoder)" ], "outputs": [ "logits [b,1,vocab]", "present_k_i / present_v_i [b,heads,t+1,head_dim] (next step's past)" ] } }, "files": { "decoder.onnx": { "bytes": 93238398, "sha256": "ec8cf41c33596a2db8db4bc247f47a7cd3738abdf881c075fccd0ee79237e2be" }, "embed.bin": { "bytes": 56090624, "sha256": "fcdc585597fff03cbd26c6b0a27fc5c595c310135e474894734bd9848b9c9343" }, "encoder.onnx": { "bytes": 92883365, "sha256": "fad40d14b316942fdae21e8687b4e5de8d1cecfc20cdcc6aee238d6be11aa568" }, "model_config.json": { "bytes": 203, "sha256": "0dc8e07359f05bd283bdd143c702ae1c60976a675f45c729f62d0e78fc6cc27c" }, "source.spm": { "bytes": 802741, "sha256": "7a7fcf812cf03a5785daa35d4932bbbe69e7e605c0fe56fce5a3f731d6c355aa" }, "target.spm": { "bytes": 824855, "sha256": "b3cf20ccd4e48a89882cfdba157c05fa1cd71a6b69517dfc80e3a34d387ea91f" }, "test_vectors.json": { "bytes": 28385, "sha256": "a41aa5e48a55cf3436e9fe83a39442a31661a3c55b36f6ad5ecc5c08c4d17f32" }, "vocab.json": { "bytes": 1380764, "sha256": "dad10ad0acbf34ad92af16cb37fd71732d2b73851274698d58c5439386b506a1" } }, "downloadBytes": 245249335, "weightsBytes": 245220950, "quality": { "benchmark": "FLORES-200 devtest", "sentences": 1012, "chrf++": 69.9, "spbleu": 54.95, "ct2_int8_chrf++": 69.95, "delta_vs_ct2": -0.05, "beam": 4, "measured": "2026-10-17", "by": "Windy Translate" }, "built": "2026-10-17T17:03:01Z", "builder": "export_lean.py (Windy Translate)" }