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Windows ML Backend / Windows

WebNN	CPU	GPU	NPU
Windows 11 24H2 and newer	✅ LiteRT / XNNPACK	✅ Windows ML	✅ Windows ML

Windows ML / ONNX Runtime / OpenVINO Execution Provider

WebNN Spec	Operations	Chromium Version
argMax	✅ ArgMax	M140
argMin	✅ ArgMin	M140
batchNormalization	✅ BatchNormalization	M140
cast	✅ Cast	M139
clamp	✅ Clip	M139
concat	✅ Concat	M139
conv2d	✅ Conv	M139
convTranspose2d	✅ ConvTranspose	M139
cumulativeSum	✅ CumSum	M140
dequantizeLinear	✅ DequantizeLinear	M140
element-wise binary / add	✅ Add	M139
element-wise binary / div	✅ Div	M139
element-wise binary / max	✅ Max	M139
element-wise binary / min	✅ Min	M139
element-wise binary / mul	✅ Mul	M139
element-wise binary / notEqual	✅ Emulate with Not + Equal	M139
element-wise binary / pow	✅ Pow	M139
element-wise binary / sub	✅ Sub	M139
element-wise logical / equal	✅ Equal	M140
element-wise logical / greater	✅ Greater	M140
element-wise logical / greaterOrEqual	✅ GreaterOrEqual	M140
element-wise logical / lesser	✅ Less	M140
element-wise logical / lesserOrEqual	✅ LessOrEqual	M140
element-wise logical / logicalAnd	✅ And	M140
element-wise logical / logicalOr	✅ Or	M140
element-wise logical / logicalXor	✅ Xor	M140
element-wise logical / not	✅ Not	M140
element-wise unary / abs	✅ Abs	M139
element-wise unary / ceil	✅ Ceil	M139
element-wise unary / identity	✅ Identity	M139
element-wise unary / cos	✅ Cos	M139
element-wise unary / erf	✅ Erf	M139
element-wise unary / exp	✅ Exp	M139
element-wise unary / floor	✅ Floor	M139
element-wise unary / isInfinite	✅ IsInf	M141
element-wise unary / isNaN	✅ IsNaN	M141
element-wise unary / log	✅ Log	M139
element-wise unary / neg	✅ Neg	M139
element-wise unary / reciprocal	✅ Reciprocal	M139
element-wise unary / roundEven	✅ Round	M141
element-wise unary / sin	✅ Sin	M139
element-wise unary / sqrt	✅ Sqrt	M139
element-wise unary / tan	✅ Tan	M139
elu	✅ Elu	M140
expand	✅ Expand	M139
gather	✅ Gather	M140
gatherElements	✅ GatherElements	M140
gatherND	✅ GatherND	M140
gelu	✅ Gelu	M139
gemm	✅ Gemm	M139
gru	✅ GRU	M140
gruCell	✅ GRU	M140
hardSigmoid	✅ HardSigmoid	M140
hardSwish	✅ HardSwish	M139
instanceNormalization	✅ InstanceNormalization	M140
layerNormalization	✅ LayerNormalization	M140
leakyRelu	✅ LeakyRelu	M139
linear	✅ Linear	M140
lstm	✅ LSTM	M140
lstmCell	✅ LSTM	M140
matmul	✅ MatMul	M140
pad	✅ Pad	M140
pooling / averagePool2d	✅ AveragePool	M139
pooling / l2Pool2d	✅ LpPool	M139
pooling / maxPool2d	✅ MaxPool	M139
prelu	✅ PRelu	M139
quantizeLinear	✅ QuantizeLinear	M140
reduction / reduceL1	✅ ReduceL1	M140
reduction / reduceL2	✅ ReduceL2	M140
reduction / reduceLogSum	✅ ReduceLogSum	M140
reduction / reduceLogSumExp	✅ ReduceLogSumExp	M140
reduction / reduceMax	✅ ReduceMax	M140
reduction / reduceMean	✅ ReduceMean	M140
reduction / reduceMin	✅ ReduceMin	M140
reduction / reduceProduct	✅ ReduceProd	M140
reduction / reduceSum	✅ ReduceSum	M140
reduction / reduceSumSquare	✅ ReduceSumSquare	M140
relu	✅ Relu	M139
resample2d	✅ Resize	M140
reshape	✅ Reshape	M139
reverse	✅ Emulate using backward slice with negative steps	M140
scatterElements	✅ ScatterElements	M140
scatterND	✅ ScatterND	M140
sigmoid	✅ Sigmoid	M139
sign	✅ Sign	M139
slice	✅ Slice	M140
softmax	✅ Softmax	M139
softplus	✅ Softplus	M140
softsign	✅ Softsign	M139
split	✅ Split	M139
tanh	✅ Tanh	M139
tile	✅ Tile	M140
transpose	✅ Transpose	M139
triangular	✅ Trilu	M140
where	✅ Where	M140

Additional Resources

ONNX Layers supported using OpenVINO