diff --git a/docs/ops.md b/docs/ops.md
index cc8d25382..ceb5d46cf 100644
--- a/docs/ops.md
+++ b/docs/ops.md
@@ -44,7 +44,7 @@ Legend:
 |                     DSV4_HC_COMB | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ |
 |                     DSV4_HC_POST | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ |
 |                      DSV4_HC_PRE | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ |
-|                              DUP | ❌ | ✅ | ✅ | 🟡 | ❌ | ❌ | 🟡 | 🟡 | ✅ | ✅ | ❌ | ❌ | ❌ |
+|                              DUP | ❌ | ✅ | ✅ | ✅ | ❌ | ❌ | 🟡 | 🟡 | ✅ | ✅ | ❌ | ❌ | ❌ |
 |                              ELU | ❌ | ✅ | ✅ | 🟡 | 🟡 | ❌ | ✅ | ❌ | ✅ | ✅ | ✅ | ❌ | ❌ |
 |                              EXP | ❌ | ✅ | ✅ | 🟡 | 🟡 | 🟡 | ✅ | ❌ | ✅ | ✅ | ✅ | ❌ | ❌ |
 |                            EXPM1 | ❌ | ❌ | ✅ | 🟡 | 🟡 | ❌ | ✅ | ❌ | ✅ | ✅ | ✅ | ❌ | ❌ |
diff --git a/docs/ops/CUDA.csv b/docs/ops/CUDA.csv
index 22c84dd14..570bdf75e 100644
--- a/docs/ops/CUDA.csv
+++ b/docs/ops/CUDA.csv
@@ -5000,14 +5000,14 @@
 "CUDA0","REPEAT_BACK","type=f32,ne=[8,6,4,2],nr=[1,1,1,2],v=1","support","1","yes","CUDA"
 "CUDA0","DUP","type=f32,ne=[10,10,20,1]","support","1","yes","CUDA"
 "CUDA0","DUP","type=f16,ne=[10,10,20,1]","support","1","yes","CUDA"
-"CUDA0","DUP","type=i32,ne=[10,10,20,1]","support","0","no","CUDA"
-"CUDA0","DUP","type=i16,ne=[10,10,20,1]","support","0","no","CUDA"
+"CUDA0","DUP","type=i32,ne=[10,10,20,1]","support","1","yes","CUDA"
+"CUDA0","DUP","type=i16,ne=[10,10,20,1]","support","1","yes","CUDA"
 "CUDA0","DUP","type=f32,ne=[10,10,5,1],permute=[0,2,1,3]","support","1","yes","CUDA"
 "CUDA0","DUP","type=f16,ne=[10,10,5,1],permute=[0,2,1,3]","support","1","yes","CUDA"
 "CUDA0","DUP","type=f32,ne=[10,10,5,1],permute=[1,0,2,3]","support","1","yes","CUDA"
 "CUDA0","DUP","type=f16,ne=[10,10,5,1],permute=[1,0,2,3]","support","1","yes","CUDA"
-"CUDA0","DUP","type=i16,ne=[10,8,3,1],permute=[0,2,1,3]","support","0","no","CUDA"
-"CUDA0","DUP","type=i16,ne=[10,8,3,1],permute=[1,2,0,3]","support","0","no","CUDA"
+"CUDA0","DUP","type=i16,ne=[10,8,3,1],permute=[0,2,1,3]","support","1","yes","CUDA"
+"CUDA0","DUP","type=i16,ne=[10,8,3,1],permute=[1,2,0,3]","support","1","yes","CUDA"
 "CUDA0","SET","type_src=f32,type_dst=f32,ne=[6,5,4,3],dim=1","support","1","yes","CUDA"
 "CUDA0","SET","type_src=f32,type_dst=f32,ne=[6,5,4,3],dim=2","support","1","yes","CUDA"
 "CUDA0","SET","type_src=f32,type_dst=f32,ne=[6,5,4,3],dim=3","support","1","yes","CUDA"
diff --git a/ggml/src/ggml-cuda/cpy.cu b/ggml/src/ggml-cuda/cpy.cu
index fd7ffc0bc..7a9984585 100644
--- a/ggml/src/ggml-cuda/cpy.cu
+++ b/ggml/src/ggml-cuda/cpy.cu
@@ -589,6 +589,14 @@ void ggml_cuda_cpy(ggml_backend_cuda_context & ctx, const ggml_tensor * src0, gg
             ggml_cpy_scalar_cuda<int32_t, int32_t>
                 (src0_ddc, src1_ddc, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03, ne10, ne11, ne12, nb10, nb11, nb12, nb13, main_stream);
         }
+    } else if (src0->type == GGML_TYPE_I16 && src1->type == GGML_TYPE_I16) {
+        if (can_be_transposed) {
+            ggml_cpy_scalar_cuda<int16_t, int16_t, true>
+                (src0_ddc, src1_ddc, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03, ne10, ne11, ne12, nb10, nb11, nb12, nb13, main_stream);
+        } else {
+            ggml_cpy_scalar_cuda<int16_t, int16_t>
+                (src0_ddc, src1_ddc, ne, ne00, ne01, ne02, nb00, nb01, nb02, nb03, ne10, ne11, ne12, nb10, nb11, nb12, nb13, main_stream);
+        }
     } else if (src0->type == GGML_TYPE_F32 && src1->type == GGML_TYPE_I32) {
         if (contiguous_srcs) {
             ggml_cpy_scalar_contiguous_cuda<float, int32_t>
diff --git a/ggml/src/ggml-cuda/ggml-cuda.cu b/ggml/src/ggml-cuda/ggml-cuda.cu
index 790553888..43003245c 100644
--- a/ggml/src/ggml-cuda/ggml-cuda.cu
+++ b/ggml/src/ggml-cuda/ggml-cuda.cu
@@ -5298,10 +5298,7 @@ static bool ggml_backend_cuda_device_supports_op(ggml_backend_dev_t dev, const g
                 return false;
             } break;
         case GGML_OP_DUP:
-            {
-                ggml_type src0_type = op->src[0]->type;
-                return src0_type != GGML_TYPE_I32 && src0_type != GGML_TYPE_I16;
-            } break;
+                return true;
         case GGML_OP_ARGMAX:
         case GGML_OP_COUNT_EQUAL:
             {