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---
id: options
title: List of options
---
Invoke a command without arguments to list available arguments and their default values:
```bash
$ ./fasttext supervised
Empty input or output path.
The following arguments are mandatory:
-input training file path
-output output file path
The following arguments are optional:
-verbose verbosity level [2]
The following arguments for the dictionary are optional:
-minCount minimal number of word occurrences [1]
-minCountLabel minimal number of label occurrences [0]
-wordNgrams max length of word ngram [1]
-bucket number of buckets [2000000]
-minn min length of char ngram [0]
-maxn max length of char ngram [0]
-t sampling threshold [0.0001]
-label labels prefix [__label__]
The following arguments for training are optional:
-lr learning rate [0.1]
-lrUpdateRate change the rate of updates for the learning rate [100]
-dim size of word vectors [100]
-ws size of the context window [5]
-epoch number of epochs [5]
-neg number of negatives sampled [5]
-loss loss function {ns, hs, softmax} [softmax]
-thread number of threads [12]
-pretrainedVectors pretrained word vectors for supervised learning []
-saveOutput whether output params should be saved [0]
The following arguments for quantization are optional:
-cutoff number of words and ngrams to retain [0]
-retrain finetune embeddings if a cutoff is applied [0]
-qnorm quantizing the norm separately [0]
-qout quantizing the classifier [0]
-dsub size of each sub-vector [2]
```
Defaults may vary by mode. (Word-representation modes `skipgram` and `cbow` use a default `-minCount` of 5.)
Hyperparameter optimization (autotune) is activated when you provide a validation file with `-autotune-validation` argument.
```text
The following arguments are for autotune:
-autotune-validation validation file to be used for evaluation
-autotune-metric metric objective {f1, f1:labelname} [f1]
-autotune-predictions number of predictions used for evaluation [1]
-autotune-duration maximum duration in seconds [300]
-autotune-modelsize constraint model file size [] (empty = do not quantize)
```
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