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agent: fix — switch Parakeet to TDT transducer model (transcribe-rs compat)

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The CTC model (onnx-community/parakeet-ctc-0.6b-ONNX) only has an encoder
— no decoder_joint or nemo128 preprocessor. transcribe-rs expects a TDT
transducer variant with all three. Switch to istupakov/parakeet-tdt-0.6b-v2-onnx
which has the correct int8 files.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Jake
2026-04-03 18:20:04 +01:00
parent 9e05f698da
commit b7338743fe
1 changed files with 11 additions and 11 deletions
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22
crates/core/src/model_registry.rs
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@@ -65,28 +65,28 @@ static ALL_MODELS: LazyLock<Vec<ModelEntry>> = LazyLock::new(|| {
ModelEntry { ModelEntry {
id: ModelId::new("parakeet-ctc-0.6b-int8"), id: ModelId::new("parakeet-ctc-0.6b-int8"),
engine: Engine::Parakeet, engine: Engine::Parakeet,
display_name: "Parakeet CTC 0.6B (int8)", display_name: "Parakeet TDT 0.6B v2 (int8)",
disk_size: Megabytes(613), disk_size: Megabytes(650),
ram_required: Megabytes(600), ram_required: Megabytes(700),
speed_tier: SpeedTier::Instant, speed_tier: SpeedTier::Instant,
accuracy_tier: AccuracyTier::Great, accuracy_tier: AccuracyTier::Great,
languages: LanguageSupport::EnglishOnly, languages: LanguageSupport::EnglishOnly,
files: vec![ files: vec![
ModelFile { ModelFile {
filename: "encoder-model.onnx", filename: "encoder-model.int8.onnx",
url: "https://huggingface.co/onnx-community/parakeet-ctc-0.6b-ONNX/resolve/main/onnx/model_int8.onnx", url: "https://huggingface.co/istupakov/parakeet-tdt-0.6b-v2-onnx/resolve/main/encoder-model.int8.onnx",
size: Megabytes(1), size: Megabytes(620),
sha256: None, sha256: None,
}, },
ModelFile { ModelFile {
filename: "model_int8.onnx_data", filename: "decoder_joint-model.int8.onnx",
url: "https://huggingface.co/onnx-community/parakeet-ctc-0.6b-ONNX/resolve/main/onnx/model_int8.onnx_data", url: "https://huggingface.co/istupakov/parakeet-tdt-0.6b-v2-onnx/resolve/main/decoder_joint-model.int8.onnx",
size: Megabytes(611), size: Megabytes(3),
sha256: None, sha256: None,
}, },
ModelFile { ModelFile {
filename: "tokenizer.json", filename: "nemo128.onnx",
url: "https://huggingface.co/onnx-community/parakeet-ctc-0.6b-ONNX/resolve/main/tokenizer.json", url: "https://huggingface.co/istupakov/parakeet-tdt-0.6b-v2-onnx/resolve/main/nemo128.onnx",
size: Megabytes(1), size: Megabytes(1),
sha256: None, sha256: None,
}, },