diff --git a/models/spring-ai-deepseek/src/main/java/org/springframework/ai/deepseek/api/DeepSeekApi.java b/models/spring-ai-deepseek/src/main/java/org/springframework/ai/deepseek/api/DeepSeekApi.java
index 711a3359c1a..5795dffc1c5 100644
--- a/models/spring-ai-deepseek/src/main/java/org/springframework/ai/deepseek/api/DeepSeekApi.java
+++ b/models/spring-ai-deepseek/src/main/java/org/springframework/ai/deepseek/api/DeepSeekApi.java
@@ -16,11 +16,8 @@
 
 package org.springframework.ai.deepseek.api;
 
-import com.fasterxml.jackson.annotation.JsonFormat;
-import com.fasterxml.jackson.annotation.JsonIgnore;
-import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.*;
 import com.fasterxml.jackson.annotation.JsonInclude.Include;
-import com.fasterxml.jackson.annotation.JsonProperty;
 import org.springframework.ai.model.ApiKey;
 import org.springframework.ai.model.ChatModelDescription;
 import org.springframework.ai.model.ModelOptionsUtils;
@@ -484,12 +481,13 @@ public void setJsonSchema(String jsonSchema) {
 	 * @param toolChoice Controls which (if any) function is called by the model. none
 	 * means the model will not call a function and instead generates a message. auto
 	 * means the model can pick between generating a message or calling a function.
-	 * Specifying a particular function via {"type: "function", "function": {"name":
+	 * Specifying a particular function via {"type": "function", "function": {"name":
 	 * "my_function"}} forces the model to call that function. none is the default when no
 	 * functions are present. auto is the default if functions are present. Use the
 	 * {@link ToolChoiceBuilder} to create the tool choice value.
 	 */
 	@JsonInclude(Include.NON_NULL)
+	@JsonIgnoreProperties(ignoreUnknown = true)
 	public record ChatCompletionRequest(// @formatter:off
 			@JsonProperty("messages") List<ChatCompletionMessage> messages,
 			@JsonProperty("model") String model,
@@ -587,6 +585,7 @@ public static Object FUNCTION(String functionName) {
 	 * Applicable only for {@link Role#ASSISTANT} role and null otherwise.
 	 */
 	@JsonInclude(Include.NON_NULL)
+	@JsonIgnoreProperties(ignoreUnknown = true)
 	public record ChatCompletionMessage(// @formatter:off
 			@JsonProperty("content") Object rawContent,
 			@JsonProperty("role") Role role,
@@ -675,6 +674,7 @@ public enum Role {
 		 * @param function The function definition.
 		 */
 		@JsonInclude(Include.NON_NULL)
+		@JsonIgnoreProperties(ignoreUnknown = true)
 		public record ToolCall(// @formatter:off
 				@JsonProperty("index") Integer index,
 				@JsonProperty("id") String id,
@@ -695,6 +695,7 @@ public ToolCall(String id, String type, ChatCompletionFunction function) {
 		 * function.
 		 */
 		@JsonInclude(Include.NON_NULL)
+		@JsonIgnoreProperties(ignoreUnknown = true)
 		public record ChatCompletionFunction(// @formatter:off
 				@JsonProperty("name") String name,
 				@JsonProperty("arguments") String arguments) { // @formatter:on
@@ -718,6 +719,7 @@ public record ChatCompletionFunction(// @formatter:off
 	 * @param usage Usage statistics for the completion request.
 	 */
 	@JsonInclude(Include.NON_NULL)
+	@JsonIgnoreProperties(ignoreUnknown = true)
 	public record ChatCompletion(// @formatter:off
 			@JsonProperty("id") String id,
 			@JsonProperty("choices") List<Choice> choices,
@@ -737,6 +739,7 @@ public record ChatCompletion(// @formatter:off
 		 * @param logprobs Log probability information for the choice.
 		 */
 		@JsonInclude(Include.NON_NULL)
+		@JsonIgnoreProperties(ignoreUnknown = true)
 		public record Choice(// @formatter:off
 				@JsonProperty("finish_reason") ChatCompletionFinishReason finishReason,
 				@JsonProperty("index") Integer index,
@@ -753,6 +756,7 @@ public record Choice(// @formatter:off
 	 * @param refusal A list of message refusal tokens with log probability information.
 	 */
 	@JsonInclude(Include.NON_NULL)
+	@JsonIgnoreProperties(ignoreUnknown = true)
 	public record LogProbs(@JsonProperty("content") List<Content> content,
 			@JsonProperty("refusal") List<Content> refusal) {
 
@@ -771,6 +775,7 @@ public record LogProbs(@JsonProperty("content") List<Content> content,
 		 * requested top_logprobs returned.
 		 */
 		@JsonInclude(Include.NON_NULL)
+		@JsonIgnoreProperties(ignoreUnknown = true)
 		public record Content(// @formatter:off
 				@JsonProperty("token") String token,
 				@JsonProperty("logprob") Float logprob,
@@ -789,6 +794,7 @@ public record Content(// @formatter:off
 			 * is no bytes representation for the token.
 			 */
 			@JsonInclude(Include.NON_NULL)
+			@JsonIgnoreProperties(ignoreUnknown = true)
 			public record TopLogProbs(// @formatter:off
 					@JsonProperty("token") String token,
 					@JsonProperty("logprob") Float logprob,
@@ -812,6 +818,7 @@ public record TopLogProbs(// @formatter:off
 	 * @param promptTokensDetails Breakdown of tokens used in the prompt.
 	 */
 	@JsonInclude(Include.NON_NULL)
+	@JsonIgnoreProperties(ignoreUnknown = true)
 	public record Usage(// @formatter:off
 		@JsonProperty("completion_tokens") Integer completionTokens,
 		@JsonProperty("prompt_tokens") Integer promptTokens,
@@ -828,6 +835,7 @@ public Usage(Integer completionTokens, Integer promptTokens, Integer totalTokens
 		 * @param cachedTokens Cached tokens present in the prompt.
 		 */
 		@JsonInclude(Include.NON_NULL)
+		@JsonIgnoreProperties(ignoreUnknown = true)
 		public record PromptTokensDetails(// @formatter:off
 			@JsonProperty("cached_tokens") Integer cachedTokens) { // @formatter:on
 		}
@@ -853,6 +861,7 @@ public record PromptTokensDetails(// @formatter:off
 	 * only if the StreamOptions.includeUsage is set to true.
 	 */
 	@JsonInclude(Include.NON_NULL)
+	@JsonIgnoreProperties(ignoreUnknown = true)
 	public record ChatCompletionChunk(// @formatter:off
 			@JsonProperty("id") String id,
 			@JsonProperty("choices") List<ChunkChoice> choices,
@@ -872,6 +881,7 @@ public record ChatCompletionChunk(// @formatter:off
 		 * @param logprobs Log probability information for the choice.
 		 */
 		@JsonInclude(Include.NON_NULL)
+		@JsonIgnoreProperties(ignoreUnknown = true)
 		public record ChunkChoice(// @formatter:off
 				@JsonProperty("finish_reason") ChatCompletionFinishReason finishReason,
 				@JsonProperty("index") Integer index,