diff --git a/langchain-core/src/main/java/com/hw/langchain/base/language/BaseLanguageModel.java b/langchain-core/src/main/java/com/hw/langchain/base/language/BaseLanguageModel.java
index ed35fd0e2..4c23ea892 100644
--- a/langchain-core/src/main/java/com/hw/langchain/base/language/BaseLanguageModel.java
+++ b/langchain-core/src/main/java/com/hw/langchain/base/language/BaseLanguageModel.java
@@ -18,9 +18,11 @@
 
 package com.hw.langchain.base.language;
 
+import com.hw.langchain.schema.AsyncLLMResult;
 import com.hw.langchain.schema.BaseMessage;
 import com.hw.langchain.schema.LLMResult;
 import com.hw.langchain.schema.PromptValue;
+import reactor.core.publisher.Flux;
 
 import java.util.List;
 
@@ -60,5 +62,9 @@ default BaseMessage predictMessages(List<BaseMessage> messages) {
      */
     BaseMessage predictMessages(List<BaseMessage> messages, List<String> stop);
 
+    /**
+     * Take in a list of prompt values and return an Flux&lt;AsyncLLMResult&gt; for every PromptValue.
+     */
+    List<Flux<AsyncLLMResult>> asyncGeneratePrompt(List<PromptValue> prompts, List<String> stop);
 
 }
diff --git a/langchain-core/src/main/java/com/hw/langchain/schema/AsyncLLMResult.java b/langchain-core/src/main/java/com/hw/langchain/schema/AsyncLLMResult.java
new file mode 100644
index 000000000..214e50df0
--- /dev/null
+++ b/langchain-core/src/main/java/com/hw/langchain/schema/AsyncLLMResult.java
@@ -0,0 +1,30 @@
+package com.hw.langchain.schema;
+
+import lombok.Data;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @author lingjue@ubuntu
+ * @since 8/1/23 7:01 PM
+ */
+@Data
+public class AsyncLLMResult {
+
+    /**
+     * List of the things generated. This is List<List<Generation>> because each input could have multiple generations.
+     */
+    private List<? extends Generation> generations;
+
+    /**
+     * For arbitrary LLM provider specific output.
+     */
+    private Map<String, Object> llmOutput;
+
+    public AsyncLLMResult(List<? extends Generation> generations, Map<String, Object> llmOutput) {
+        this.generations = generations;
+        this.llmOutput = llmOutput;
+    }
+
+}