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TonyRaju/visheratin-t5-tiny-grammar-correction-onnx-int8
visheratin-t5-tiny-grammar-correction-onnx-int8 is a machine learning model from TonyRaju. Use it for the machine learning task on the model card, and read the license before you ship it in a product.
This is an ONNX INT8 dynamically quantized version of visheratin/t5-efficient-tiny-grammar-correction for grammatical error correction in English.
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From the Hugging Face model README
This is an ONNX INT8 dynamically quantized version of visheratin/t5-efficient-tiny-grammar-correction for grammatical error correction in English.
This is a derivative work. All credit for the original model goes to Alexander Visheratin (@visheratin). This repository only provides a quantized ONNX conversion for easier deployment. We do not claim ownership of the model architecture or weights.
| Original Repository | visheratin/t5-efficient-tiny-grammar-correction |
| Original Author | Alexander Visheratin (@visheratin) |
| Architecture | T5-efficient-tiny (encoder-decoder) |
| Parameters | 15.6M |
| Training Data | C4_200M subset + nlpaug typo augmentation |
| License | No license specified in original repo |
encoder_model.onnx — Encoder graph (INT8 quantized)decoder_model.onnx — Decoder graph (INT8 quantized)decoder_with_past_model.onnx — Decoder with KV-cache (INT8 quantized)config.json, generation_config.json — Model configurationtokenizer.json, tokenizer_config.json, special_tokens_map.json — Tokenizer files| Step | Detail |
|---|---|
| Export | PyTorch → ONNX FP32 via HuggingFace Optimum (ORTModelForSeq2SeqLM) |
| Quantization | onnxruntime.quantization.quantize_dynamic with QuantType.QInt8 |
| Validation | Verified ONNX FP32 output matches PyTorch FP32 exactly (0 delta) before quantizing |
Benchmarked on a 50-sentence English grammar correction test set (2-thread CPU, Google Colab).
| Format | BLEU | chrF++ | Exact Match | Δ BLEU | Δ chrF++ |
|---|---|---|---|---|---|
| PyTorch FP32 (baseline) | 66.08 | 82.69 | 48% | — | — |
| ONNX INT8 (this repo) | 64.51 | 82.28 | 44% | -1.57 | -0.42 |
| Metric | PyTorch FP32 | ONNX INT8 (this repo) |
|---|---|---|
| P50 Latency | 85 ms | 60 ms |
| P95 Latency | 112 ms | 107 ms |
| Disk Size | 59 MB | 55 MB |
| Throughput | — | 60.33 sentences/sec |
| Metric | Value |
|---|---|
| Sentences with changed output (INT8 vs FP32) | 2/50 sentences changed |
| Deployment Scorecard Verdict | GO |
Smallest and fastest model. Ideal for mobile/edge deployment where size is critical. Statistically identical quality to visheratin-mini (p=0.824).
This model was benchmarked alongside 6 other grammar correction models. All models were evaluated on the same 50-sentence test set under identical conditions.
| Model | Params | BLEU | chrF++ | P50 (ms) | Size (MB) | Exact Match |
|---|---|---|---|---|---|---|
| prithivida | 222.9M | 76.88 | 86.40 | 602 | 850 | 58% |
| coedit-small | 60.5M | 77.42 | 86.84 | 226 | 231 | 60% |
| vennify-t5-base | 222.9M | 78.57 | 87.87 | 539 | 850 | 58% |
| aventiq-t5-small | 60.5M | 34.43 | 45.88 | 213 | 231 | 16% |
| visheratin-mini | 31.2M | 66.84 | 81.77 | 133 | 119 | 46% |
| visheratin-tiny ← | 15.6M | 66.08 | 82.69 | 85 | 59 | 48% |
| pszemraj-small | 77.0M | 57.11 | 77.13 | 363 | 294 | 28% |
| Model | Params | BLEU (FP32) | BLEU (INT8) | chrF++ (INT8) | P50 (ms) | Disk (MB) | Exact Match | Scorecard |
|---|---|---|---|---|---|---|---|---|
| prithivida | 222.9M | 76.88 | 74.44 | 84.79 | 222 | 426 | 54% | NO-GO |
| coedit-small | 60.5M | 77.42 | 77.60 | 86.69 | 117 | 152 | 60% | GO |
| vennify-t5-base | 222.9M | 78.57 | 77.24 | 86.74 | 224 | 426 | 56% | GO |
| aventiq-t5-small | 60.5M | 34.43 | 40.66 | 51.95 | 120 | 152 | 22% | GO* |
| visheratin-mini | 31.2M | 66.84 | 66.65 | 82.67 | 78 | 93 | 46% | GO |
| visheratin-tiny ← this model | 15.6M | 66.08 | 64.51 | 82.28 | 60 | 55 | 44% | GO |
| pszemraj-small | 77.0M | 57.11 | 3.15 | 18.72 | 138 | 153 | 0% | NO-GO |
Key cross-model comparisons (INT8 variants):
| Model A | Model B | chrF++ A | chrF++ B | p-value | Significant? |
|---|---|---|---|---|---|
| coedit-small | vennify-t5-base | 86.69 | 86.74 | 1.000 | No (identical) |
| coedit-small | visheratin-mini | 86.69 | 82.67 | 0.038 | Yes |
| coedit-small | visheratin-tiny | 86.69 | 82.28 | 0.010 | Yes |
| coedit-small | prithivida | 86.69 | 84.79 | 0.324 | No |
| visheratin-mini | visheratin-tiny | 82.67 | 82.28 | 0.824 | No (identical) |
| prithivida | vennify-t5-base | 84.79 | 86.74 | 0.324 | No |
| Use Case | Recommended Model | Why |
|---|---|---|
| Best overall (desktop) | coedit-small INT8 (152 MB) | Highest INT8 quality (chrF++ 86.69), 117ms latency, only 1 regression |
| Smallest (mobile/edge) | visheratin-tiny INT8 (55 MB) | 60ms latency, 55 MB disk, acceptable quality (chrF++ 82.28) |
| Highest baseline quality | vennify-t5-base INT8 (426 MB) | chrF++ 86.74, but 3x larger than coedit-small for no significant quality gain |
from optimum.onnxruntime import ORTModelForSeq2SeqLM
from transformers import AutoTokenizer
model_id = "YOUR_USERNAME/visheratin-t5-tiny-grammar-correction-onnx-int8"
tokenizer = AutoTokenizer.from_pretrained(model_id)
model = ORTModelForSeq2SeqLM.from_pretrained(model_id)
text = "(none — empty string)She go to school yesterday"
inputs = tokenizer([text], return_tensors="pt", max_length=128, truncation=True)
outputs = model.generate(**inputs, max_new_tokens=128, num_beams=1, repetition_penalty=1.3)
corrected = tokenizer.decode(outputs[0], skip_special_tokens=True)
print(corrected)
Input prefix: (none — empty string)
All credit for the original model goes to Alexander Visheratin (@visheratin). This repository only provides an ONNX INT8 quantized conversion to make the model easier to deploy in production environments (mobile, edge, browser).
Quantization and benchmarking performed as part of the Smart Desktop Keyboard Grammar Engine project.
If you use this model, please cite the original authors:
@misc{visheratin_tiny_onnx_int8,
title = {visheratin/t5-efficient-tiny-grammar-correction — ONNX INT8 Quantized},
note = {Quantized version of visheratin/t5-efficient-tiny-grammar-correction},
url = {https://huggingface.co/visheratin/t5-efficient-tiny-grammar-correction},
}