parakeet / coreml /Decoder.mlmodelc /metadata.json
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Parakeet TDT 0.6B v3, ternary (Core ML and ONNX)
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[
{
"metadataOutputVersion" : "3.0",
"shortDescription" : "2-layer LSTM prediction network, one token per call",
"outputSchema" : [
{
"hasShapeFlexibility" : "0",
"isOptional" : "0",
"dataType" : "Float32",
"formattedType" : "MultiArray (Float32 1 × 640 × 1)",
"shortDescription" : "",
"shape" : "[1, 640, 1]",
"name" : "decoder",
"type" : "MultiArray"
},
{
"hasShapeFlexibility" : "0",
"isOptional" : "0",
"dataType" : "Float32",
"formattedType" : "MultiArray (Float32 2 × 1 × 640)",
"shortDescription" : "",
"shape" : "[2, 1, 640]",
"name" : "h_out",
"type" : "MultiArray"
},
{
"hasShapeFlexibility" : "0",
"isOptional" : "0",
"dataType" : "Float32",
"formattedType" : "MultiArray (Float32 2 × 1 × 640)",
"shortDescription" : "",
"shape" : "[2, 1, 640]",
"name" : "c_out",
"type" : "MultiArray"
}
],
"storagePrecision" : "Float16",
"modelParameters" : [
],
"author" : "CoreML conversion (from moondream\/parakeet-redux, CC-BY-4.0; layout after FluidInference parakeet-tdt-0.6b-v3-coreml)",
"specificationVersion" : 9,
"mlProgramOperationTypeHistogram" : {
"Select" : 1,
"Ios18.lstm" : 2,
"Ios18.gather" : 1,
"Stack" : 2,
"Split" : 2,
"Ios18.transpose" : 2,
"Ios18.squeeze" : 4,
"Ios18.cast" : 8,
"Ios18.greaterEqual" : 1,
"Ios18.add" : 1
},
"computePrecision" : "Mixed (Float16, Float32, Int16, Int32)",
"isUpdatable" : "0",
"stateSchema" : [
],
"availability" : {
"macOS" : "15.0",
"tvOS" : "18.0",
"visionOS" : "2.0",
"watchOS" : "11.0",
"iOS" : "18.0",
"macCatalyst" : "18.0"
},
"modelType" : {
"name" : "MLModelType_mlProgram"
},
"inputSchema" : [
{
"hasShapeFlexibility" : "0",
"isOptional" : "0",
"dataType" : "Int32",
"formattedType" : "MultiArray (Int32 1 × 1)",
"shortDescription" : "",
"shape" : "[1, 1]",
"name" : "targets",
"type" : "MultiArray"
},
{
"hasShapeFlexibility" : "0",
"isOptional" : "0",
"dataType" : "Float32",
"formattedType" : "MultiArray (Float32 2 × 1 × 640)",
"shortDescription" : "",
"shape" : "[2, 1, 640]",
"name" : "h_in",
"type" : "MultiArray"
},
{
"hasShapeFlexibility" : "0",
"isOptional" : "0",
"dataType" : "Float32",
"formattedType" : "MultiArray (Float32 2 × 1 × 640)",
"shortDescription" : "",
"shape" : "[2, 1, 640]",
"name" : "c_in",
"type" : "MultiArray"
}
],
"userDefinedMetadata" : {
"com.github.apple.coremltools.conversion_date" : "2026-09-23",
"com.github.apple.coremltools.source" : "torch==2.14.0",
"com.github.apple.coremltools.version" : "9.0",
"com.github.apple.coremltools.source_dialect" : "TorchScript"
},
"generatedClassName" : "Decoder",
"method" : "predict"
}
]