diff --git a/api/src/main/java/ai/djl/ndarray/BaseNDManager.java b/api/src/main/java/ai/djl/ndarray/BaseNDManager.java
index 1b80170d908..da16422c5f0 100644
--- a/api/src/main/java/ai/djl/ndarray/BaseNDManager.java
+++ b/api/src/main/java/ai/djl/ndarray/BaseNDManager.java
@@ -49,6 +49,12 @@ public NDArray create(String data) {
         throw new UnsupportedOperationException("Not supported!");
     }
 
+    /** {@inheritDoc} */
+    @Override
+    public NDArray create(String[] data) {
+        throw new UnsupportedOperationException("Not supported!");
+    }
+
     /** {@inheritDoc} */
     @Override
     public NDArray create(Shape shape, DataType dataType) {
diff --git a/api/src/main/java/ai/djl/ndarray/NDManager.java b/api/src/main/java/ai/djl/ndarray/NDManager.java
index cfcf1609b1c..6f95ee035eb 100644
--- a/api/src/main/java/ai/djl/ndarray/NDManager.java
+++ b/api/src/main/java/ai/djl/ndarray/NDManager.java
@@ -235,14 +235,21 @@ default NDArray create(boolean data) {
     }
 
     /**
-     * Creates and initializes a scalar {@link NDArray}. NDArray of String DataType only supports
-     * scalar.
+     * Creates and initializes a scalar {@link NDArray}.
      *
      * @param data the String data that needs to be set
      * @return a new instance of {@link NDArray}
      */
     NDArray create(String data);
 
+    /**
+     * Creates and initializes 1D {@link NDArray}.
+     *
+     * @param data the String data that needs to be set
+     * @return a new instance of {@link NDArray}
+     */
+    NDArray create(String[] data);
+
     /**
      * Creates and initializes a 1D {@link NDArray}.
      *
diff --git a/gradle.properties b/gradle.properties
index cbc4bbf41c5..7b7b13cab0d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -13,7 +13,7 @@ pytorch_version=1.7.1
 tensorflow_version=2.3.1
 tflite_version=2.4.1
 dlr_version=1.6.0
-onnxruntime_version=1.5.2
+onnxruntime_version=1.7.0
 paddlepaddle_version=2.0.0
 sentencepiece_version=0.1.92
 fasttext_version=0.9.2
diff --git a/onnxruntime/onnxruntime-engine/README.md b/onnxruntime/onnxruntime-engine/README.md
index e81711fec0b..40a24d0ce20 100644
--- a/onnxruntime/onnxruntime-engine/README.md
+++ b/onnxruntime/onnxruntime-engine/README.md
@@ -73,7 +73,7 @@ Maven:
 <dependency>
     <groupId>com.microsoft.onnxruntime</groupId>
     <artifactId>onnxruntime_gpu</artifactId>
-    <version>1.5.2</version>
+    <version>1.7.0</version>
     <scope>runtime</scope>
 </dependency>
 ```
@@ -83,5 +83,5 @@ Gradle:
     implementation("ai.djl.onnxruntime:onnxruntime-engine:0.10.0") {
         exclude group: "com.microsoft.onnxruntime", module: "onnxruntime"
     }
-    implementation "com.microsoft.onnxruntime:onnxruntime_gpu:1.5.2"
+    implementation "com.microsoft.onnxruntime:onnxruntime_gpu:1.7.0"
 ```
diff --git a/onnxruntime/onnxruntime-engine/src/main/java/ai/djl/onnxruntime/engine/OrtEngine.java b/onnxruntime/onnxruntime-engine/src/main/java/ai/djl/onnxruntime/engine/OrtEngine.java
index d5c37e00d47..5396d0e4e2d 100644
--- a/onnxruntime/onnxruntime-engine/src/main/java/ai/djl/onnxruntime/engine/OrtEngine.java
+++ b/onnxruntime/onnxruntime-engine/src/main/java/ai/djl/onnxruntime/engine/OrtEngine.java
@@ -70,7 +70,7 @@ private Engine getAlternativeEngine() {
     /** {@inheritDoc} */
     @Override
     public String getVersion() {
-        return "1.5.2";
+        return "1.7.0";
     }
 
     /** {@inheritDoc} */
diff --git a/onnxruntime/onnxruntime-engine/src/main/java/ai/djl/onnxruntime/engine/OrtNDManager.java b/onnxruntime/onnxruntime-engine/src/main/java/ai/djl/onnxruntime/engine/OrtNDManager.java
index ee427153209..b0f4dd19e02 100644
--- a/onnxruntime/onnxruntime-engine/src/main/java/ai/djl/onnxruntime/engine/OrtNDManager.java
+++ b/onnxruntime/onnxruntime-engine/src/main/java/ai/djl/onnxruntime/engine/OrtNDManager.java
@@ -63,6 +63,33 @@ public OrtNDArray create(Buffer data, Shape shape, DataType dataType) {
         }
     }
 
+    /** {@inheritDoc} */
+    @Override
+    public NDArray create(String data) {
+        return create(new String[] {data}, new Shape(1));
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public NDArray create(String[] data) {
+        return create(data, new Shape(data.length));
+    }
+
+    /**
+     * Create A String tensor based on the provided shape.
+     *
+     * @param data the flattened String array
+     * @param shape the shape of the String NDArray
+     * @return a new instance of {@link NDArray}
+     */
+    public NDArray create(String[] data, Shape shape) {
+        try {
+            return new OrtNDArray(this, OrtUtils.toTensor(env, data, shape));
+        } catch (OrtException e) {
+            throw new EngineException(e);
+        }
+    }
+
     /** {@inheritDoc} */
     @Override
     public NDArray zeros(Shape shape, DataType dataType) {
diff --git a/onnxruntime/onnxruntime-engine/src/main/java/ai/djl/onnxruntime/engine/OrtUtils.java b/onnxruntime/onnxruntime-engine/src/main/java/ai/djl/onnxruntime/engine/OrtUtils.java
index 44d06580bb6..a1a0408f99c 100644
--- a/onnxruntime/onnxruntime-engine/src/main/java/ai/djl/onnxruntime/engine/OrtUtils.java
+++ b/onnxruntime/onnxruntime-engine/src/main/java/ai/djl/onnxruntime/engine/OrtUtils.java
@@ -63,6 +63,12 @@ public static OnnxTensor toTensor(
         }
     }
 
+    public static OnnxTensor toTensor(OrtEnvironment env, String[] inputs, Shape shape)
+            throws OrtException {
+        long[] sh = shape.getShape();
+        return OnnxTensor.createTensor(env, inputs, sh);
+    }
+
     public static NDArray toNDArray(NDManager manager, OnnxTensor tensor) {
         if (manager instanceof OrtNDManager) {
             return ((OrtNDManager) manager).create(tensor);
diff --git a/onnxruntime/onnxruntime-engine/src/test/java/ai/djl/onnxruntime/engine/OrtTest.java b/onnxruntime/onnxruntime-engine/src/test/java/ai/djl/onnxruntime/engine/OrtTest.java
index d867cbb324b..dbcbe7013cb 100644
--- a/onnxruntime/onnxruntime-engine/src/test/java/ai/djl/onnxruntime/engine/OrtTest.java
+++ b/onnxruntime/onnxruntime-engine/src/test/java/ai/djl/onnxruntime/engine/OrtTest.java
@@ -12,12 +12,17 @@
  */
 package ai.djl.onnxruntime.engine;
 
+import ai.djl.MalformedModelException;
 import ai.djl.Model;
 import ai.djl.ModelException;
 import ai.djl.inference.Predictor;
 import ai.djl.modality.Classifications;
+import ai.djl.ndarray.NDArray;
+import ai.djl.ndarray.NDList;
+import ai.djl.ndarray.types.Shape;
 import ai.djl.onnxruntime.zoo.tabular.randomforest.IrisFlower;
 import ai.djl.repository.zoo.Criteria;
+import ai.djl.repository.zoo.ModelNotFoundException;
 import ai.djl.repository.zoo.ModelZoo;
 import ai.djl.repository.zoo.ZooModel;
 import ai.djl.translate.TranslateException;
@@ -63,4 +68,26 @@ public void testOrt() throws TranslateException, ModelException, IOException {
             throw new SkipException("Ignore missing libgomp.so.1 error.");
         }
     }
+
+    @Test
+    public void testStringTensor()
+            throws MalformedModelException, ModelNotFoundException, IOException,
+                    TranslateException {
+        Criteria<NDList, NDList> criteria =
+                Criteria.builder()
+                        .setTypes(NDList.class, NDList.class)
+                        .optEngine("OnnxRuntime")
+                        .optModelUrls(
+                                "https://resources.djl.ai/test-models/onnxruntime/pipeline_tfidf.zip")
+                        .build();
+        try (ZooModel<NDList, NDList> model = ModelZoo.loadModel(criteria);
+                Predictor<NDList, NDList> predictor = model.newPredictor()) {
+            OrtNDManager manager = (OrtNDManager) OrtNDManager.getSystemManager().newSubManager();
+            NDArray stringNd =
+                    manager.create(
+                            new String[] {" Re: Jack can't hide from keith@cco.", " I like dogs"},
+                            new Shape(1, 2));
+            predictor.predict(new NDList(stringNd));
+        }
+    }
 }
diff --git a/paddlepaddle/paddlepaddle-engine/src/main/java/ai/djl/paddlepaddle/engine/PpEngine.java b/paddlepaddle/paddlepaddle-engine/src/main/java/ai/djl/paddlepaddle/engine/PpEngine.java
index c08c0e31304..20468243717 100644
--- a/paddlepaddle/paddlepaddle-engine/src/main/java/ai/djl/paddlepaddle/engine/PpEngine.java
+++ b/paddlepaddle/paddlepaddle-engine/src/main/java/ai/djl/paddlepaddle/engine/PpEngine.java
@@ -60,7 +60,7 @@ Engine getAlternativeEngine() {
         if (alternativeEngine == null) {
             Engine engine = Engine.getInstance();
             if (engine.getRank() < getRank()) {
-                // alternativeEngine should not have the same rank as ORT
+                // alternativeEngine should not have the same rank as Paddle
                 alternativeEngine = engine;
             }
         }
diff --git a/paddlepaddle/paddlepaddle-engine/src/main/java/ai/djl/paddlepaddle/engine/PpNDArray.java b/paddlepaddle/paddlepaddle-engine/src/main/java/ai/djl/paddlepaddle/engine/PpNDArray.java
index 121213161ee..9e160e52213 100644
--- a/paddlepaddle/paddlepaddle-engine/src/main/java/ai/djl/paddlepaddle/engine/PpNDArray.java
+++ b/paddlepaddle/paddlepaddle-engine/src/main/java/ai/djl/paddlepaddle/engine/PpNDArray.java
@@ -42,23 +42,6 @@ public PpNDArray(PpNDManager manager, long handle) {
         manager.attach(getUid(), this);
     }
 
-    /**
-     * Constructs an PaddlePaddle NDArray from a {@link PpNDManager} (internal. Use {@link
-     * NDManager} instead).
-     *
-     * @param manager the manager to attach the new array to
-     * @param pointer the native tensor handle
-     * @param shape the shape of {@code PpNDArray}
-     * @param dataType the data type of {@code PpNDArray}
-     */
-    public PpNDArray(PpNDManager manager, long pointer, Shape shape, DataType dataType) {
-        super(pointer);
-        this.manager = manager;
-        this.shape = shape;
-        this.dataType = dataType;
-        manager.attach(getUid(), this);
-    }
-
     /** {@inheritDoc} */
     @Override
     public NDManager getManager() {
diff --git a/tensorflow/tensorflow-engine/src/main/java/ai/djl/tensorflow/engine/TfNDManager.java b/tensorflow/tensorflow-engine/src/main/java/ai/djl/tensorflow/engine/TfNDManager.java
index efa991c8008..2bfac11167c 100644
--- a/tensorflow/tensorflow-engine/src/main/java/ai/djl/tensorflow/engine/TfNDManager.java
+++ b/tensorflow/tensorflow-engine/src/main/java/ai/djl/tensorflow/engine/TfNDManager.java
@@ -149,12 +149,19 @@ public NDArray create(float data) {
     /** {@inheritDoc} */
     @Override
     public NDArray create(String data) {
-        // create scalar tensor with float
         try (Tensor<TString> tensor = TString.scalarOf(data)) {
             return new TfNDArray(this, tensor);
         }
     }
 
+    /** {@inheritDoc} */
+    @Override
+    public NDArray create(String[] data) {
+        try (Tensor<TString> tensor = TString.vectorOf(data)) {
+            return new TfNDArray(this, tensor);
+        }
+    }
+
     /** {@inheritDoc} */
     @Override
     public NDArray create(Shape shape, DataType dataType) {