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cstr/
silero-lid-lang95-GGUF

Name: silero-lid-lang95-GGUF
Availability: InStock

gguf

language-identification

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Silero Language Classifier 95 — GGUF

GGUF conversion of Silero's 95-language classifier for use with CrispASR.

Model Details

Architecture: Learned STFT frontend + 8-stage MobileNet-style depthwise-separable conv encoder with interleaved post-norm transformers + attention-weighted pooling + 95-language / 58-group classifiers
Parameters: 507 tensors, ~4M parameters
Input: Raw 16 kHz mono PCM audio (best results on clips < 20 seconds)
Output: 95-language log-probabilities + 58-language-group log-probabilities
License: MIT (same as upstream Silero)

Files

File	Type	Size	Notes
`silero-lid-lang95-f32.gguf`	F32	16 MB	Full precision, recommended

Quantized versions (Q8_0, Q5_0) were tested but break accuracy — the model is dominated by small Conv1d kernels where block quantization is destructive. At 16 MB F32, the model is already very small.

Usage with CrispASR

bash

# Language detection pre-step for backends without native LID
crispasr --backend cohere -m cohere-transcribe-q5_0.gguf \
         -f audio.wav -l auto \
         --lid-backend silero --lid-model silero-lid-lang95-f32.gguf

# Standalone detection (via the C API)
silero_lid_context * ctx = silero_lid_init("silero-lid-lang95-f32.gguf", 4);
float conf;
const char * lang = silero_lid_detect(ctx, samples, n_samples, &conf);
// lang = "en, English"
silero_lid_free(ctx);

Supported Languages (95)

The model supports 95 languages across 58 language groups. Language detection works best on audio clips between 3-20 seconds of speech.

Conversion

Converted from the ONNX export (lang_classifier_95.onnx) using models/convert-silero-lid-to-gguf.py from the CrispASR repo.

Acknowledgements

Silero Team for the original model
CrispASR for the native GGUF runtime

Provenance and EU AI Act Art. 53 note

Upstream model: snakers4/silero-lang-classifier-95.
Upstream licence: mit. This repository redistributes under the same terms; it grants no rights the upstream licence does not.
What was done here: format conversion and/or quantisation only (GGUF). No training, no fine-tuning, no merging, no distillation, no change to architecture, vocabulary or capability. Only the numeric representation of the upstream weights differs.
Training data: documented — where it is documented at all — by the upstream provider; see the upstream model card. No training data was used, added or selected by this repository.
Provider status: under Regulation (EU) 2024/1689 the upstream authors remain the provider of this model. Converting the serialisation format does not make this repository the provider of a new general-purpose AI model, and no such claim is made. Questions about training content, copyright policy or model capability belong upstream.

cstr/silero-lid-lang95-GGUF