diff --git a/models/spring-ai-openai/src/main/java/org/springframework/ai/openai/OpenAiChatModel.java b/models/spring-ai-openai/src/main/java/org/springframework/ai/openai/OpenAiChatModel.java
index f85f99c1c0..b4d479a91e 100644
--- a/models/spring-ai-openai/src/main/java/org/springframework/ai/openai/OpenAiChatModel.java
+++ b/models/spring-ai-openai/src/main/java/org/springframework/ai/openai/OpenAiChatModel.java
@@ -25,8 +25,6 @@
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Collectors;
 
-import io.micrometer.observation.Observation;
-import io.micrometer.observation.contextpropagation.ObservationThreadLocalAccessor;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.ai.chat.messages.AssistantMessage;
@@ -75,10 +73,11 @@
 import org.springframework.util.MultiValueMap;
 import org.springframework.util.StringUtils;
 
+import io.micrometer.observation.Observation;
 import io.micrometer.observation.ObservationRegistry;
+import io.micrometer.observation.contextpropagation.ObservationThreadLocalAccessor;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
-import reactor.core.publisher.SignalType;
 
 /**
  * {@link ChatModel} and {@link StreamingChatModel} implementation for {@literal OpenAI}
@@ -278,8 +277,8 @@ public Flux<ChatResponse> stream(Prompt prompt) {
 		return Flux.deferContextual(contextView -> {
 			ChatCompletionRequest request = createRequest(prompt, true);
 
-			Flux<OpenAiApi.ChatCompletionChunk> completionChunks = this.retryTemplate
-				.execute(ctx -> this.openAiApi.chatCompletionStream(request, getAdditionalHttpHeaders(prompt)));
+			Flux<OpenAiApi.ChatCompletionChunk> completionChunks = this.openAiApi.chatCompletionStream(request,
+					getAdditionalHttpHeaders(prompt));
 
 			// For chunked responses, only the first chunk contains the choice role.
 			// The rest of the chunks with same ID share the same role.
@@ -354,8 +353,9 @@ public Flux<ChatResponse> stream(Prompt prompt) {
 			})
 			.contextWrite(ctx -> ctx.put(ObservationThreadLocalAccessor.KEY, observation));
 			// @formatter:on
-			return new MessageAggregator().aggregate(flux, cr -> {
-				observationContext.setResponse(cr);
+
+			return new MessageAggregator().aggregate(flux, mergedChatResponse -> {
+				observationContext.setResponse(mergedChatResponse);
 			});
 
 		});
diff --git a/models/spring-ai-openai/src/test/java/org/springframework/ai/openai/chat/OpenAiRetryTests.java b/models/spring-ai-openai/src/test/java/org/springframework/ai/openai/chat/OpenAiRetryTests.java
index c48ade0c68..0f486d4c5b 100644
--- a/models/spring-ai-openai/src/test/java/org/springframework/ai/openai/chat/OpenAiRetryTests.java
+++ b/models/spring-ai-openai/src/test/java/org/springframework/ai/openai/chat/OpenAiRetryTests.java
@@ -19,6 +19,7 @@
 import java.util.Optional;
 
 import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mock;
@@ -163,6 +164,7 @@ public void openAiChatNonTransientError() {
 	}
 
 	@Test
+	@Disabled("Currently stream() does not implmement retry")
 	public void openAiChatStreamTransientError() {
 
 		var choice = new ChatCompletionChunk.ChunkChoice(ChatCompletionFinishReason.STOP, 0,
@@ -184,6 +186,7 @@ public void openAiChatStreamTransientError() {
 	}
 
 	@Test
+	@Disabled("Currently stream() does not implmement retry")
 	public void openAiChatStreamNonTransientError() {
 		when(openAiApi.chatCompletionStream(isA(ChatCompletionRequest.class), any()))
 			.thenThrow(new RuntimeException("Non Transient Error"));
diff --git a/spring-ai-core/src/main/java/org/springframework/ai/chat/model/MessageAggregator.java b/spring-ai-core/src/main/java/org/springframework/ai/chat/model/MessageAggregator.java
index ad02dddf29..6aef10ed77 100644
--- a/spring-ai-core/src/main/java/org/springframework/ai/chat/model/MessageAggregator.java
+++ b/spring-ai-core/src/main/java/org/springframework/ai/chat/model/MessageAggregator.java
@@ -49,12 +49,15 @@ public class MessageAggregator {
 	public Flux<ChatResponse> aggregate(Flux<ChatResponse> fluxChatResponse,
 			Consumer<ChatResponse> onAggregationComplete) {
 
-		AtomicReference<StringBuilder> stringBufferRef = new AtomicReference<>(new StringBuilder());
-		AtomicReference<Map<String, Object>> mapRef = new AtomicReference<>();
+		// Assistant Message
+		AtomicReference<StringBuilder> messageTextContentRef = new AtomicReference<>(new StringBuilder());
+		AtomicReference<Map<String, Object>> messageMetadataMapRef = new AtomicReference<>();
 
+		// ChatGeneration Metadata
 		AtomicReference<ChatGenerationMetadata> generationMetadataRef = new AtomicReference<>(
 				ChatGenerationMetadata.NULL);
 
+		// Usage
 		AtomicReference<Long> metadataUsagePromptTokensRef = new AtomicReference<>(0L);
 		AtomicReference<Long> metadataUsageGenerationTokensRef = new AtomicReference<>(0L);
 		AtomicReference<Long> metadataUsageTotalTokensRef = new AtomicReference<>(0L);
@@ -66,8 +69,8 @@ public Flux<ChatResponse> aggregate(Flux<ChatResponse> fluxChatResponse,
 		AtomicReference<String> metadataModelRef = new AtomicReference<>("");
 
 		return fluxChatResponse.doOnSubscribe(subscription -> {
-			stringBufferRef.set(new StringBuilder());
-			mapRef.set(new HashMap<>());
+			messageTextContentRef.set(new StringBuilder());
+			messageMetadataMapRef.set(new HashMap<>());
 			metadataIdRef.set("");
 			metadataModelRef.set("");
 			metadataUsagePromptTokensRef.set(0L);
@@ -84,10 +87,10 @@ public Flux<ChatResponse> aggregate(Flux<ChatResponse> fluxChatResponse,
 					generationMetadataRef.set(chatResponse.getResult().getMetadata());
 				}
 				if (chatResponse.getResult().getOutput().getContent() != null) {
-					stringBufferRef.get().append(chatResponse.getResult().getOutput().getContent());
+					messageTextContentRef.get().append(chatResponse.getResult().getOutput().getContent());
 				}
 				if (chatResponse.getResult().getOutput().getMetadata() != null) {
-					mapRef.get().putAll(chatResponse.getResult().getOutput().getMetadata());
+					messageMetadataMapRef.get().putAll(chatResponse.getResult().getOutput().getMetadata());
 				}
 			}
 			if (chatResponse.getMetadata() != null) {
@@ -128,13 +131,12 @@ public Flux<ChatResponse> aggregate(Flux<ChatResponse> fluxChatResponse,
 				.withPromptMetadata(metadataPromptMetadataRef.get())
 				.build();
 
-			onAggregationComplete.accept(new ChatResponse(
-					List.of(new Generation(new AssistantMessage(stringBufferRef.get().toString(), mapRef.get()),
-							generationMetadataRef.get())),
-					chatResponseMetadata));
+			onAggregationComplete.accept(new ChatResponse(List.of(new Generation(
+					new AssistantMessage(messageTextContentRef.get().toString(), messageMetadataMapRef.get()),
+					generationMetadataRef.get())), chatResponseMetadata));
 
-			stringBufferRef.set(new StringBuilder());
-			mapRef.set(new HashMap<>());
+			messageTextContentRef.set(new StringBuilder());
+			messageMetadataMapRef.set(new HashMap<>());
 			metadataIdRef.set("");
 			metadataModelRef.set("");
 			metadataUsagePromptTokensRef.set(0L);