diff --git a/auto-configurations/models/chat/client/spring-ai-autoconfigure-model-chat-client/src/main/java/org/springframework/ai/model/chat/client/autoconfigure/ChatClientAutoConfiguration.java b/auto-configurations/models/chat/client/spring-ai-autoconfigure-model-chat-client/src/main/java/org/springframework/ai/model/chat/client/autoconfigure/ChatClientAutoConfiguration.java
index 32a09a85425..e0b82fa3586 100644
--- a/auto-configurations/models/chat/client/spring-ai-autoconfigure-model-chat-client/src/main/java/org/springframework/ai/model/chat/client/autoconfigure/ChatClientAutoConfiguration.java
+++ b/auto-configurations/models/chat/client/spring-ai-autoconfigure-model-chat-client/src/main/java/org/springframework/ai/model/chat/client/autoconfigure/ChatClientAutoConfiguration.java
@@ -36,6 +36,7 @@
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnSingleCandidate;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -54,6 +55,7 @@
  * @author Arjen Poutsma
  * @author Thomas Vitale
  * @author Jonatan Ivanov
+ * @author Yanming Zhou
  * @since 1.0.0
  */
 @AutoConfiguration(
@@ -82,6 +84,7 @@ ChatClientBuilderConfigurer chatClientBuilderConfigurer(ObjectProvider<ChatClien
 	@Bean
 	@Scope("prototype")
 	@ConditionalOnMissingBean
+	@ConditionalOnSingleCandidate(ChatModel.class)
 	ChatClient.Builder chatClientBuilder(ChatClientBuilderConfigurer chatClientBuilderConfigurer, ChatModel chatModel,
 			ObjectProvider<ObservationRegistry> observationRegistry,
 			ObjectProvider<ChatClientObservationConvention> observationConvention) {
diff --git a/auto-configurations/models/spring-ai-autoconfigure-model-anthropic/src/main/java/org/springframework/ai/model/anthropic/autoconfigure/AnthropicChatAutoConfiguration.java b/auto-configurations/models/spring-ai-autoconfigure-model-anthropic/src/main/java/org/springframework/ai/model/anthropic/autoconfigure/AnthropicChatAutoConfiguration.java
index c1d0a50b779..70c429a824b 100644
--- a/auto-configurations/models/spring-ai-autoconfigure-model-anthropic/src/main/java/org/springframework/ai/model/anthropic/autoconfigure/AnthropicChatAutoConfiguration.java
+++ b/auto-configurations/models/spring-ai-autoconfigure-model-anthropic/src/main/java/org/springframework/ai/model/anthropic/autoconfigure/AnthropicChatAutoConfiguration.java
@@ -49,10 +49,13 @@
  * @author Thomas Vitale
  * @author Ilayaperumal Gopinathan
  * @author Hyoseop Song
+ * @author Yanming Zhou
  * @since 1.0.0
  */
-@AutoConfiguration(after = { RestClientAutoConfiguration.class, WebClientAutoConfiguration.class,
-		ToolCallingAutoConfiguration.class, SpringAiRetryAutoConfiguration.class })
+@AutoConfiguration(
+		after = { RestClientAutoConfiguration.class, WebClientAutoConfiguration.class,
+				ToolCallingAutoConfiguration.class, SpringAiRetryAutoConfiguration.class },
+		beforeName = "org.springframework.ai.model.chat.client.autoconfigure.ChatClientAutoConfiguration")
 @EnableConfigurationProperties({ AnthropicChatProperties.class, AnthropicConnectionProperties.class })
 @ConditionalOnClass(AnthropicApi.class)
 @ConditionalOnProperty(name = SpringAIModelProperties.CHAT_MODEL, havingValue = SpringAIModels.ANTHROPIC,
diff --git a/auto-configurations/models/spring-ai-autoconfigure-model-azure-openai/src/main/java/org/springframework/ai/model/azure/openai/autoconfigure/AzureOpenAiChatAutoConfiguration.java b/auto-configurations/models/spring-ai-autoconfigure-model-azure-openai/src/main/java/org/springframework/ai/model/azure/openai/autoconfigure/AzureOpenAiChatAutoConfiguration.java
index d71008196df..0092486ad3c 100644
--- a/auto-configurations/models/spring-ai-autoconfigure-model-azure-openai/src/main/java/org/springframework/ai/model/azure/openai/autoconfigure/AzureOpenAiChatAutoConfiguration.java
+++ b/auto-configurations/models/spring-ai-autoconfigure-model-azure-openai/src/main/java/org/springframework/ai/model/azure/openai/autoconfigure/AzureOpenAiChatAutoConfiguration.java
@@ -44,8 +44,10 @@
  * @author Soby Chacko
  * @author Manuel Andreo Garcia
  * @author Ilayaperumal Gopinathan
+ * @author Yanming Zhou
  */
-@AutoConfiguration(after = { ToolCallingAutoConfiguration.class })
+@AutoConfiguration(after = { ToolCallingAutoConfiguration.class },
+		beforeName = "org.springframework.ai.model.chat.client.autoconfigure.ChatClientAutoConfiguration")
 @ConditionalOnClass({ AzureOpenAiChatModel.class })
 @EnableConfigurationProperties({ AzureOpenAiChatProperties.class })
 @ConditionalOnProperty(name = SpringAIModelProperties.CHAT_MODEL, havingValue = SpringAIModels.AZURE_OPENAI,
diff --git a/auto-configurations/models/spring-ai-autoconfigure-model-bedrock-ai/src/main/java/org/springframework/ai/model/bedrock/converse/autoconfigure/BedrockConverseProxyChatAutoConfiguration.java b/auto-configurations/models/spring-ai-autoconfigure-model-bedrock-ai/src/main/java/org/springframework/ai/model/bedrock/converse/autoconfigure/BedrockConverseProxyChatAutoConfiguration.java
index 74ee361d2cd..90dec434e67 100644
--- a/auto-configurations/models/spring-ai-autoconfigure-model-bedrock-ai/src/main/java/org/springframework/ai/model/bedrock/converse/autoconfigure/BedrockConverseProxyChatAutoConfiguration.java
+++ b/auto-configurations/models/spring-ai-autoconfigure-model-bedrock-ai/src/main/java/org/springframework/ai/model/bedrock/converse/autoconfigure/BedrockConverseProxyChatAutoConfiguration.java
@@ -50,8 +50,10 @@
  * @author Christian Tzolov
  * @author Wei Jiang
  * @author Pawel Potaczala
+ * @author Yanming Zhou
  */
-@AutoConfiguration(after = { ToolCallingAutoConfiguration.class })
+@AutoConfiguration(after = { ToolCallingAutoConfiguration.class },
+		beforeName = "org.springframework.ai.model.chat.client.autoconfigure.ChatClientAutoConfiguration")
 @EnableConfigurationProperties({ BedrockConverseProxyChatProperties.class, BedrockAwsConnectionConfiguration.class })
 @ConditionalOnClass({ BedrockProxyChatModel.class, BedrockRuntimeClient.class, BedrockRuntimeAsyncClient.class })
 @ConditionalOnProperty(name = SpringAIModelProperties.CHAT_MODEL, havingValue = SpringAIModels.BEDROCK_CONVERSE,
diff --git a/auto-configurations/models/spring-ai-autoconfigure-model-deepseek/src/main/java/org/springframework/ai/model/deepseek/autoconfigure/DeepSeekChatAutoConfiguration.java b/auto-configurations/models/spring-ai-autoconfigure-model-deepseek/src/main/java/org/springframework/ai/model/deepseek/autoconfigure/DeepSeekChatAutoConfiguration.java
index 98aae30a232..7da7f577136 100644
--- a/auto-configurations/models/spring-ai-autoconfigure-model-deepseek/src/main/java/org/springframework/ai/model/deepseek/autoconfigure/DeepSeekChatAutoConfiguration.java
+++ b/auto-configurations/models/spring-ai-autoconfigure-model-deepseek/src/main/java/org/springframework/ai/model/deepseek/autoconfigure/DeepSeekChatAutoConfiguration.java
@@ -50,9 +50,12 @@
  *
  * @author Geng Rong
  * @author Hyunsang Han
+ * @author Yanming Zhou
  */
-@AutoConfiguration(after = { RestClientAutoConfiguration.class, WebClientAutoConfiguration.class,
-		SpringAiRetryAutoConfiguration.class, ToolCallingAutoConfiguration.class })
+@AutoConfiguration(
+		after = { RestClientAutoConfiguration.class, WebClientAutoConfiguration.class,
+				SpringAiRetryAutoConfiguration.class, ToolCallingAutoConfiguration.class },
+		beforeName = "org.springframework.ai.model.chat.client.autoconfigure.ChatClientAutoConfiguration")
 @ConditionalOnClass(DeepSeekApi.class)
 @EnableConfigurationProperties({ DeepSeekConnectionProperties.class, DeepSeekChatProperties.class })
 @ConditionalOnProperty(name = SpringAIModelProperties.CHAT_MODEL, havingValue = SpringAIModels.DEEPSEEK,
diff --git a/auto-configurations/models/spring-ai-autoconfigure-model-google-genai/src/main/java/org/springframework/ai/model/google/genai/autoconfigure/chat/GoogleGenAiChatAutoConfiguration.java b/auto-configurations/models/spring-ai-autoconfigure-model-google-genai/src/main/java/org/springframework/ai/model/google/genai/autoconfigure/chat/GoogleGenAiChatAutoConfiguration.java
index e8c9b8ea2d1..33ca4771b4b 100644
--- a/auto-configurations/models/spring-ai-autoconfigure-model-google-genai/src/main/java/org/springframework/ai/model/google/genai/autoconfigure/chat/GoogleGenAiChatAutoConfiguration.java
+++ b/auto-configurations/models/spring-ai-autoconfigure-model-google-genai/src/main/java/org/springframework/ai/model/google/genai/autoconfigure/chat/GoogleGenAiChatAutoConfiguration.java
@@ -53,9 +53,11 @@
  * @author Soby Chacko
  * @author Mark Pollack
  * @author Ilayaperumal Gopinathan
+ * @author Yanming Zhou
  * @since 1.1.0
  */
-@AutoConfiguration(after = { SpringAiRetryAutoConfiguration.class, ToolCallingAutoConfiguration.class })
+@AutoConfiguration(after = { SpringAiRetryAutoConfiguration.class, ToolCallingAutoConfiguration.class },
+		beforeName = "org.springframework.ai.model.chat.client.autoconfigure.ChatClientAutoConfiguration")
 @ConditionalOnClass({ Client.class, GoogleGenAiChatModel.class })
 @ConditionalOnProperty(name = SpringAIModelProperties.CHAT_MODEL, havingValue = SpringAIModels.GOOGLE_GEN_AI,
 		matchIfMissing = true)
diff --git a/auto-configurations/models/spring-ai-autoconfigure-model-huggingface/src/main/java/org/springframework/ai/model/huggingface/autoconfigure/HuggingfaceChatAutoConfiguration.java b/auto-configurations/models/spring-ai-autoconfigure-model-huggingface/src/main/java/org/springframework/ai/model/huggingface/autoconfigure/HuggingfaceChatAutoConfiguration.java
index 8b8526d9c2a..bc6f5f42fd4 100644
--- a/auto-configurations/models/spring-ai-autoconfigure-model-huggingface/src/main/java/org/springframework/ai/model/huggingface/autoconfigure/HuggingfaceChatAutoConfiguration.java
+++ b/auto-configurations/models/spring-ai-autoconfigure-model-huggingface/src/main/java/org/springframework/ai/model/huggingface/autoconfigure/HuggingfaceChatAutoConfiguration.java
@@ -26,7 +26,7 @@
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 
-@AutoConfiguration
+@AutoConfiguration(beforeName = "org.springframework.ai.model.chat.client.autoconfigure.ChatClientAutoConfiguration")
 @ConditionalOnClass(HuggingfaceChatModel.class)
 @EnableConfigurationProperties(HuggingfaceChatProperties.class)
 @ConditionalOnProperty(name = SpringAIModelProperties.CHAT_MODEL, havingValue = SpringAIModels.HUGGINGFACE,
diff --git a/auto-configurations/models/spring-ai-autoconfigure-model-minimax/src/main/java/org/springframework/ai/model/minimax/autoconfigure/MiniMaxChatAutoConfiguration.java b/auto-configurations/models/spring-ai-autoconfigure-model-minimax/src/main/java/org/springframework/ai/model/minimax/autoconfigure/MiniMaxChatAutoConfiguration.java
index b51445491f5..5e815442591 100644
--- a/auto-configurations/models/spring-ai-autoconfigure-model-minimax/src/main/java/org/springframework/ai/model/minimax/autoconfigure/MiniMaxChatAutoConfiguration.java
+++ b/auto-configurations/models/spring-ai-autoconfigure-model-minimax/src/main/java/org/springframework/ai/model/minimax/autoconfigure/MiniMaxChatAutoConfiguration.java
@@ -48,9 +48,12 @@
  * @author Geng Rong
  * @author Ilayaperumal Gopinathan
  * @author Issam El-atif
+ * @author Yanming Zhou
  */
-@AutoConfiguration(after = { RestClientAutoConfiguration.class, SpringAiRetryAutoConfiguration.class,
-		ToolCallingAutoConfiguration.class })
+@AutoConfiguration(
+		after = { RestClientAutoConfiguration.class, SpringAiRetryAutoConfiguration.class,
+				ToolCallingAutoConfiguration.class },
+		beforeName = "org.springframework.ai.model.chat.client.autoconfigure.ChatClientAutoConfiguration")
 @ConditionalOnClass(MiniMaxApi.class)
 @EnableConfigurationProperties({ MiniMaxConnectionProperties.class, MiniMaxChatProperties.class })
 @ConditionalOnProperty(name = SpringAIModelProperties.CHAT_MODEL, havingValue = SpringAIModels.MINIMAX,
diff --git a/auto-configurations/models/spring-ai-autoconfigure-model-mistral-ai/src/main/java/org/springframework/ai/model/mistralai/autoconfigure/MistralAiChatAutoConfiguration.java b/auto-configurations/models/spring-ai-autoconfigure-model-mistral-ai/src/main/java/org/springframework/ai/model/mistralai/autoconfigure/MistralAiChatAutoConfiguration.java
index 9044e82cbbd..a04d535f085 100644
--- a/auto-configurations/models/spring-ai-autoconfigure-model-mistral-ai/src/main/java/org/springframework/ai/model/mistralai/autoconfigure/MistralAiChatAutoConfiguration.java
+++ b/auto-configurations/models/spring-ai-autoconfigure-model-mistral-ai/src/main/java/org/springframework/ai/model/mistralai/autoconfigure/MistralAiChatAutoConfiguration.java
@@ -51,10 +51,13 @@
  * @author Christian Tzolov
  * @author Thomas Vitale
  * @author Ilayaperumal Gopinathan
+ * @author Yanming Zhou
  * @since 0.8.1
  */
-@AutoConfiguration(after = { RestClientAutoConfiguration.class, WebClientAutoConfiguration.class,
-		SpringAiRetryAutoConfiguration.class, ToolCallingAutoConfiguration.class })
+@AutoConfiguration(
+		after = { RestClientAutoConfiguration.class, WebClientAutoConfiguration.class,
+				SpringAiRetryAutoConfiguration.class, ToolCallingAutoConfiguration.class },
+		beforeName = "org.springframework.ai.model.chat.client.autoconfigure.ChatClientAutoConfiguration")
 @EnableConfigurationProperties({ MistralAiCommonProperties.class, MistralAiChatProperties.class })
 @ConditionalOnProperty(name = SpringAIModelProperties.CHAT_MODEL, havingValue = SpringAIModels.MISTRAL,
 		matchIfMissing = true)
diff --git a/auto-configurations/models/spring-ai-autoconfigure-model-oci-genai/src/main/java/org/springframework/ai/model/oci/genai/autoconfigure/OCIGenAiChatAutoConfiguration.java b/auto-configurations/models/spring-ai-autoconfigure-model-oci-genai/src/main/java/org/springframework/ai/model/oci/genai/autoconfigure/OCIGenAiChatAutoConfiguration.java
index cae582e4914..b9e5cc42006 100644
--- a/auto-configurations/models/spring-ai-autoconfigure-model-oci-genai/src/main/java/org/springframework/ai/model/oci/genai/autoconfigure/OCIGenAiChatAutoConfiguration.java
+++ b/auto-configurations/models/spring-ai-autoconfigure-model-oci-genai/src/main/java/org/springframework/ai/model/oci/genai/autoconfigure/OCIGenAiChatAutoConfiguration.java
@@ -37,9 +37,11 @@
  *
  * @author Anders Swanson
  * @author Ilayaperumal Gopinathan
+ * @author Yanming Zhou
  * @author Issam El-atif
  */
-@AutoConfiguration(after = OCIGenAiInferenceClientAutoConfiguration.class)
+@AutoConfiguration(after = OCIGenAiInferenceClientAutoConfiguration.class,
+		beforeName = "org.springframework.ai.model.chat.client.autoconfigure.ChatClientAutoConfiguration")
 @ConditionalOnClass(OCICohereChatModel.class)
 @EnableConfigurationProperties(OCICohereChatModelProperties.class)
 @ConditionalOnProperty(name = SpringAIModelProperties.CHAT_MODEL, havingValue = SpringAIModels.OCI_GENAI,
diff --git a/auto-configurations/models/spring-ai-autoconfigure-model-ollama/src/main/java/org/springframework/ai/model/ollama/autoconfigure/OllamaChatAutoConfiguration.java b/auto-configurations/models/spring-ai-autoconfigure-model-ollama/src/main/java/org/springframework/ai/model/ollama/autoconfigure/OllamaChatAutoConfiguration.java
index 34b9ad58346..a6f25cb65f0 100644
--- a/auto-configurations/models/spring-ai-autoconfigure-model-ollama/src/main/java/org/springframework/ai/model/ollama/autoconfigure/OllamaChatAutoConfiguration.java
+++ b/auto-configurations/models/spring-ai-autoconfigure-model-ollama/src/main/java/org/springframework/ai/model/ollama/autoconfigure/OllamaChatAutoConfiguration.java
@@ -46,9 +46,11 @@
  * @author Thomas Vitale
  * @author Ilayaperumal Gopinathan
  * @author Jonghoon Park
+ * @author Yanming Zhou
  * @since 0.8.0
  */
-@AutoConfiguration(after = { OllamaApiAutoConfiguration.class, ToolCallingAutoConfiguration.class })
+@AutoConfiguration(after = { OllamaApiAutoConfiguration.class, ToolCallingAutoConfiguration.class },
+		beforeName = "org.springframework.ai.model.chat.client.autoconfigure.ChatClientAutoConfiguration")
 @ConditionalOnClass(OllamaChatModel.class)
 @ConditionalOnProperty(name = SpringAIModelProperties.CHAT_MODEL, havingValue = SpringAIModels.OLLAMA,
 		matchIfMissing = true)
diff --git a/auto-configurations/models/spring-ai-autoconfigure-model-openai/src/main/java/org/springframework/ai/model/openai/autoconfigure/OpenAiChatAutoConfiguration.java b/auto-configurations/models/spring-ai-autoconfigure-model-openai/src/main/java/org/springframework/ai/model/openai/autoconfigure/OpenAiChatAutoConfiguration.java
index f1c1e4ea618..18969f025f5 100644
--- a/auto-configurations/models/spring-ai-autoconfigure-model-openai/src/main/java/org/springframework/ai/model/openai/autoconfigure/OpenAiChatAutoConfiguration.java
+++ b/auto-configurations/models/spring-ai-autoconfigure-model-openai/src/main/java/org/springframework/ai/model/openai/autoconfigure/OpenAiChatAutoConfiguration.java
@@ -53,9 +53,12 @@
  * @author Thomas Vitale
  * @author Ilayaperumal Gopinathan
  * @author Issam El-atif
+ * @author Yanming Zhou
  */
-@AutoConfiguration(after = { RestClientAutoConfiguration.class, WebClientAutoConfiguration.class,
-		SpringAiRetryAutoConfiguration.class, ToolCallingAutoConfiguration.class })
+@AutoConfiguration(
+		after = { RestClientAutoConfiguration.class, WebClientAutoConfiguration.class,
+				SpringAiRetryAutoConfiguration.class, ToolCallingAutoConfiguration.class },
+		beforeName = "org.springframework.ai.model.chat.client.autoconfigure.ChatClientAutoConfiguration")
 @ConditionalOnClass(OpenAiApi.class)
 @EnableConfigurationProperties({ OpenAiConnectionProperties.class, OpenAiChatProperties.class })
 @ConditionalOnProperty(name = SpringAIModelProperties.CHAT_MODEL, havingValue = SpringAIModels.OPENAI,
diff --git a/auto-configurations/models/spring-ai-autoconfigure-model-openai/src/test/java/org/springframework/ai/model/openai/autoconfigure/ChatClientAutoConfigurationIT.java b/auto-configurations/models/spring-ai-autoconfigure-model-openai/src/test/java/org/springframework/ai/model/openai/autoconfigure/ChatClientAutoConfigurationIT.java
index 46dec5cb44c..d09f42b8a2e 100644
--- a/auto-configurations/models/spring-ai-autoconfigure-model-openai/src/test/java/org/springframework/ai/model/openai/autoconfigure/ChatClientAutoConfigurationIT.java
+++ b/auto-configurations/models/spring-ai-autoconfigure-model-openai/src/test/java/org/springframework/ai/model/openai/autoconfigure/ChatClientAutoConfigurationIT.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 the original author or authors.
+ * Copyright 2023-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,12 +22,15 @@
 import org.apache.commons.logging.LogFactory;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.condition.EnabledIfEnvironmentVariable;
+import org.mockito.Mockito;
 
 import org.springframework.ai.chat.client.ChatClient;
 import org.springframework.ai.chat.client.ChatClientCustomizer;
+import org.springframework.ai.chat.model.ChatModel;
 import org.springframework.ai.model.chat.client.autoconfigure.ChatClientAutoConfiguration;
 import org.springframework.ai.model.tool.autoconfigure.ToolCallingAutoConfiguration;
 import org.springframework.ai.retry.autoconfigure.SpringAiRetryAutoConfiguration;
+import org.springframework.boot.autoconfigure.AutoConfiguration;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.web.client.RestClientAutoConfiguration;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
@@ -39,6 +42,7 @@
 /**
  * @author Christian Tzolov
  * @author Issam El-atif
+ * @author Yanming Zhou
  */
 @EnabledIfEnvironmentVariable(named = "OPENAI_API_KEY", matches = ".*")
 public class ChatClientAutoConfigurationIT {
@@ -46,7 +50,7 @@ public class ChatClientAutoConfigurationIT {
 	private static final Log logger = LogFactory.getLog(ChatClientAutoConfigurationIT.class);
 
 	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
-		.withPropertyValues("spring.ai.openai.apiKey=" + System.getenv("OPENAI_API_KEY"),
+		.withPropertyValues("spring.ai.openai.api-key=" + System.getenv("OPENAI_API_KEY"),
 				"spring.ai.openai.chat.options.model=gpt-4o")
 		.withConfiguration(AutoConfigurations.of(SpringAiRetryAutoConfiguration.class,
 				RestClientAutoConfiguration.class, ToolCallingAutoConfiguration.class,
@@ -69,6 +73,12 @@ void explicitlyDisabled() {
 			.run(context -> assertThat(context.getBeansOfType(ChatClient.Builder.class)).isEmpty());
 	}
 
+	@Test
+	void multipleModelsEnabled() {
+		this.contextRunner.withConfiguration(AutoConfigurations.of(AnotherAiChatAutoConfiguration.class))
+			.run(context -> assertThat(context.getBeansOfType(ChatClient.Builder.class)).isEmpty());
+	}
+
 	@Test
 	void generate() {
 		this.contextRunner.run(context -> {
@@ -121,4 +131,14 @@ public ChatClientCustomizer chatClientCustomizer() {
 
 	}
 
+	@AutoConfiguration(before = ChatClientAutoConfiguration.class)
+	static class AnotherAiChatAutoConfiguration {
+
+		@Bean
+		ChatModel anotherAiChatModel() {
+			return Mockito.mock(ChatModel.class);
+		}
+
+	}
+
 }
diff --git a/auto-configurations/models/spring-ai-autoconfigure-model-vertex-ai/src/main/java/org/springframework/ai/model/vertexai/autoconfigure/gemini/VertexAiGeminiChatAutoConfiguration.java b/auto-configurations/models/spring-ai-autoconfigure-model-vertex-ai/src/main/java/org/springframework/ai/model/vertexai/autoconfigure/gemini/VertexAiGeminiChatAutoConfiguration.java
index edb7057c1e6..e05dab4f573 100644
--- a/auto-configurations/models/spring-ai-autoconfigure-model-vertex-ai/src/main/java/org/springframework/ai/model/vertexai/autoconfigure/gemini/VertexAiGeminiChatAutoConfiguration.java
+++ b/auto-configurations/models/spring-ai-autoconfigure-model-vertex-ai/src/main/java/org/springframework/ai/model/vertexai/autoconfigure/gemini/VertexAiGeminiChatAutoConfiguration.java
@@ -51,9 +51,11 @@
  * @author Soby Chacko
  * @author Mark Pollack
  * @author Ilayaperumal Gopinathan
+ * @author Yanming Zhou
  * @since 1.0.0
  */
-@AutoConfiguration(after = { SpringAiRetryAutoConfiguration.class, ToolCallingAutoConfiguration.class })
+@AutoConfiguration(after = { SpringAiRetryAutoConfiguration.class, ToolCallingAutoConfiguration.class },
+		beforeName = "org.springframework.ai.model.chat.client.autoconfigure.ChatClientAutoConfiguration")
 @ConditionalOnClass({ VertexAI.class, VertexAiGeminiChatModel.class })
 @ConditionalOnProperty(name = SpringAIModelProperties.CHAT_MODEL, havingValue = SpringAIModels.VERTEX_AI,
 		matchIfMissing = true)
diff --git a/auto-configurations/models/spring-ai-autoconfigure-model-zhipuai/src/main/java/org/springframework/ai/model/zhipuai/autoconfigure/ZhiPuAiChatAutoConfiguration.java b/auto-configurations/models/spring-ai-autoconfigure-model-zhipuai/src/main/java/org/springframework/ai/model/zhipuai/autoconfigure/ZhiPuAiChatAutoConfiguration.java
index ba9468e5c4f..6e742ac4ae6 100644
--- a/auto-configurations/models/spring-ai-autoconfigure-model-zhipuai/src/main/java/org/springframework/ai/model/zhipuai/autoconfigure/ZhiPuAiChatAutoConfiguration.java
+++ b/auto-configurations/models/spring-ai-autoconfigure-model-zhipuai/src/main/java/org/springframework/ai/model/zhipuai/autoconfigure/ZhiPuAiChatAutoConfiguration.java
@@ -49,9 +49,12 @@
  *
  * @author Geng Rong
  * @author Ilayaperumal Gopinathan
+ * @author Yanming Zhou
  */
-@AutoConfiguration(after = { RestClientAutoConfiguration.class, SpringAiRetryAutoConfiguration.class,
-		ToolCallingAutoConfiguration.class })
+@AutoConfiguration(
+		after = { RestClientAutoConfiguration.class, SpringAiRetryAutoConfiguration.class,
+				ToolCallingAutoConfiguration.class },
+		beforeName = "org.springframework.ai.model.chat.client.autoconfigure.ChatClientAutoConfiguration")
 @ConditionalOnClass(ZhiPuAiApi.class)
 @ConditionalOnProperty(name = SpringAIModelProperties.CHAT_MODEL, havingValue = SpringAIModels.ZHIPUAI,
 		matchIfMissing = true)