Support reasoning_effort in AzureOpenAiChatOptions

* Adds reasoningEffort field to AzureOpenAiChatOptions builder, copy, equals, hashCode
* Propagates value to ChatCompletionsOptions

Fixes #2703

Signed-off-by: Andres da Silva Santos <40636137+andresssantos@users.noreply.github.com>

models/spring-ai-azure-openai/src/main/java/org/springframework/ai/azure/openai/AzureOpenAiChatModel.java

@@ -16,8 +16,6 @@
 
 package org.springframework.ai.azure.openai;
 
-import com.azure.ai.openai.models.ChatCompletionsJsonSchemaResponseFormat;
-import com.azure.ai.openai.models.ChatCompletionsJsonSchemaResponseFormatJsonSchema;
 import java.util.ArrayList;
 import java.util.Base64;
 import java.util.Collections;
@@ -31,14 +29,16 @@ import com.azure.ai.openai.OpenAIClient;
 import com.azure.ai.openai.OpenAIClientBuilder;
 import com.azure.ai.openai.implementation.accesshelpers.ChatCompletionsOptionsAccessHelper;
 import com.azure.ai.openai.models.ChatChoice;
+import com.azure.ai.openai.models.ChatCompletionStreamOptions;
 import com.azure.ai.openai.models.ChatCompletions;
 import com.azure.ai.openai.models.ChatCompletionsFunctionToolCall;
 import com.azure.ai.openai.models.ChatCompletionsFunctionToolDefinition;
 import com.azure.ai.openai.models.ChatCompletionsFunctionToolDefinitionFunction;
 import com.azure.ai.openai.models.ChatCompletionsJsonResponseFormat;
+import com.azure.ai.openai.models.ChatCompletionsJsonSchemaResponseFormat;
+import com.azure.ai.openai.models.ChatCompletionsJsonSchemaResponseFormatJsonSchema;
 import com.azure.ai.openai.models.ChatCompletionsOptions;
 import com.azure.ai.openai.models.ChatCompletionsResponseFormat;
-import com.azure.ai.openai.models.ChatCompletionStreamOptions;
 import com.azure.ai.openai.models.ChatCompletionsTextResponseFormat;
 import com.azure.ai.openai.models.ChatCompletionsToolCall;
 import com.azure.ai.openai.models.ChatCompletionsToolDefinition;
@@ -55,17 +55,18 @@ import com.azure.ai.openai.models.CompletionsFinishReason;
 import com.azure.ai.openai.models.CompletionsUsage;
 import com.azure.ai.openai.models.ContentFilterResultsForPrompt;
 import com.azure.ai.openai.models.FunctionCall;
+import com.azure.ai.openai.models.ReasoningEffortValue;
 import com.azure.core.util.BinaryData;
 import io.micrometer.observation.Observation;
 import io.micrometer.observation.ObservationRegistry;
 import io.micrometer.observation.contextpropagation.ObservationThreadLocalAccessor;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.ai.azure.openai.AzureOpenAiResponseFormat.JsonSchema;
-import org.springframework.ai.azure.openai.AzureOpenAiResponseFormat.Type;
 import reactor.core.publisher.Flux;
 import reactor.core.scheduler.Schedulers;
 
+import org.springframework.ai.azure.openai.AzureOpenAiResponseFormat.JsonSchema;
+import org.springframework.ai.azure.openai.AzureOpenAiResponseFormat.Type;
 import org.springframework.ai.chat.messages.AssistantMessage;
 import org.springframework.ai.chat.messages.Message;
 import org.springframework.ai.chat.messages.ToolResponseMessage;
@@ -77,7 +78,6 @@ import org.springframework.ai.chat.metadata.EmptyUsage;
 import org.springframework.ai.chat.metadata.PromptMetadata;
 import org.springframework.ai.chat.metadata.PromptMetadata.PromptFilterMetadata;
 import org.springframework.ai.chat.metadata.Usage;
-import org.springframework.ai.support.UsageCalculator;
 import org.springframework.ai.chat.model.ChatModel;
 import org.springframework.ai.chat.model.ChatResponse;
 import org.springframework.ai.chat.model.Generation;
@@ -96,9 +96,11 @@ import org.springframework.ai.model.tool.ToolCallingManager;
 import org.springframework.ai.model.tool.ToolExecutionEligibilityPredicate;
 import org.springframework.ai.model.tool.ToolExecutionResult;
 import org.springframework.ai.observation.conventions.AiProvider;
+import org.springframework.ai.support.UsageCalculator;
 import org.springframework.ai.tool.definition.ToolDefinition;
 import org.springframework.util.Assert;
 import org.springframework.util.CollectionUtils;
+import org.springframework.util.StringUtils;
 
 /**
  * {@link ChatModel} implementation for {@literal Microsoft Azure AI} backed by
@@ -761,6 +763,14 @@ public class AzureOpenAiChatModel implements ChatModel {
 		mergedAzureOptions.setEnhancements(fromAzureOptions.getEnhancements() != null
 				? fromAzureOptions.getEnhancements() : toSpringAiOptions.getEnhancements());
 
+		ReasoningEffortValue reasoningEffort = (fromAzureOptions.getReasoningEffort() != null)
+				? fromAzureOptions.getReasoningEffort() : (StringUtils.hasText(toSpringAiOptions.getReasoningEffort())
+						? ReasoningEffortValue.fromString(toSpringAiOptions.getReasoningEffort()) : null);
+
+		if (reasoningEffort != null) {
+			mergedAzureOptions.setReasoningEffort(reasoningEffort);
+		}
+
 		return mergedAzureOptions;
 	}
 
@@ -850,6 +860,11 @@ public class AzureOpenAiChatModel implements ChatModel {
 			mergedAzureOptions.setEnhancements(fromSpringAiOptions.getEnhancements());
 		}
 
+		if (StringUtils.hasText(fromSpringAiOptions.getReasoningEffort())) {
+			mergedAzureOptions
+				.setReasoningEffort(ReasoningEffortValue.fromString(fromSpringAiOptions.getReasoningEffort()));
+		}
+
 		return mergedAzureOptions;
 	}
 
@@ -915,6 +930,10 @@ public class AzureOpenAiChatModel implements ChatModel {
 			copyOptions.setEnhancements(fromOptions.getEnhancements());
 		}
 
+		if (fromOptions.getReasoningEffort() != null) {
+			copyOptions.setReasoningEffort(fromOptions.getReasoningEffort());
+		}
+
 		return copyOptions;
 	}
 

models/spring-ai-azure-openai/src/main/java/org/springframework/ai/azure/openai/AzureOpenAiChatOptions.java

@@ -207,6 +207,15 @@ public class AzureOpenAiChatOptions implements ToolCallingChatOptions {
 	@JsonIgnore
 	private Boolean enableStreamUsage;
 
+	/**
+	 * Constrains effort on reasoning for reasoning models. Currently supported values are
+	 * low, medium, and high. Reducing reasoning effort can result in faster responses and
+	 * fewer tokens used on reasoning in a response. Optional. Defaults to medium. Only
+	 * for reasoning models.
+	 */
+	@JsonProperty("reasoning_effort")
+	private String reasoningEffort;
+
 	@Override
 	@JsonIgnore
 	public List<ToolCallback> getToolCallbacks() {
@@ -268,6 +277,7 @@ public class AzureOpenAiChatOptions implements ToolCallingChatOptions {
 			.toolNames(fromOptions.getToolNames() != null ? new HashSet<>(fromOptions.getToolNames()) : null)
 			.responseFormat(fromOptions.getResponseFormat())
 			.streamUsage(fromOptions.getStreamUsage())
+			.reasoningEffort(fromOptions.getReasoningEffort())
 			.seed(fromOptions.getSeed())
 			.logprobs(fromOptions.isLogprobs())
 			.topLogprobs(fromOptions.getTopLogProbs())
@@ -408,6 +418,14 @@ public class AzureOpenAiChatOptions implements ToolCallingChatOptions {
 		this.enableStreamUsage = enableStreamUsage;
 	}
 
+	public String getReasoningEffort() {
+		return this.reasoningEffort;
+	}
+
+	public void setReasoningEffort(String reasoningEffort) {
+		this.reasoningEffort = reasoningEffort;
+	}
+
 	@Override
 	@JsonIgnore
 	public Integer getTopK() {
@@ -490,6 +508,7 @@ public class AzureOpenAiChatOptions implements ToolCallingChatOptions {
 				&& Objects.equals(this.enhancements, that.enhancements)
 				&& Objects.equals(this.streamOptions, that.streamOptions)
 				&& Objects.equals(this.enableStreamUsage, that.enableStreamUsage)
+				&& Objects.equals(this.reasoningEffort, that.reasoningEffort)
 				&& Objects.equals(this.toolContext, that.toolContext) && Objects.equals(this.maxTokens, that.maxTokens)
 				&& Objects.equals(this.frequencyPenalty, that.frequencyPenalty)
 				&& Objects.equals(this.presencePenalty, that.presencePenalty)
@@ -500,8 +519,9 @@ public class AzureOpenAiChatOptions implements ToolCallingChatOptions {
 	public int hashCode() {
 		return Objects.hash(this.logitBias, this.user, this.n, this.stop, this.deploymentName, this.responseFormat,
 				this.toolCallbacks, this.toolNames, this.internalToolExecutionEnabled, this.seed, this.logprobs,
-				this.topLogProbs, this.enhancements, this.streamOptions, this.enableStreamUsage, this.toolContext,
+				this.topLogProbs, this.enhancements, this.streamOptions, this.reasoningEffort, this.enableStreamUsage,
-				this.maxTokens, this.frequencyPenalty, this.presencePenalty, this.temperature, this.topP);
+				this.toolContext, this.maxTokens, this.frequencyPenalty, this.presencePenalty, this.temperature,
+				this.topP);
 	}
 
 	public static class Builder {
@@ -576,6 +596,11 @@ public class AzureOpenAiChatOptions implements ToolCallingChatOptions {
 			return this;
 		}
 
+		public Builder reasoningEffort(String reasoningEffort) {
+			this.options.reasoningEffort = reasoningEffort;
+			return this;
+		}
+
 		public Builder seed(Long seed) {
 			this.options.seed = seed;
 			return this;

models/spring-ai-azure-openai/src/test/java/org/springframework/ai/azure/openai/AzureOpenAiChatOptionsTests.java

@@ -59,6 +59,7 @@ class AzureOpenAiChatOptionsTests {
 			.user("test-user")
 			.responseFormat(responseFormat)
 			.streamUsage(true)
+			.reasoningEffort("low")
 			.seed(12345L)
 			.logprobs(true)
 			.topLogprobs(5)
@@ -68,10 +69,10 @@ class AzureOpenAiChatOptionsTests {
 
 		assertThat(options)
 			.extracting("deploymentName", "frequencyPenalty", "logitBias", "maxTokens", "n", "presencePenalty", "stop",
-					"temperature", "topP", "user", "responseFormat", "streamUsage", "seed", "logprobs", "topLogProbs",
+					"temperature", "topP", "user", "responseFormat", "streamUsage", "reasoningEffort", "seed",
-					"enhancements", "streamOptions")
+					"logprobs", "topLogProbs", "enhancements", "streamOptions")
 			.containsExactly("test-deployment", 0.5, Map.of("token1", 1, "token2", -1), 200, 2, 0.8,
-					List.of("stop1", "stop2"), 0.7, 0.9, "test-user", responseFormat, true, 12345L, true, 5,
+					List.of("stop1", "stop2"), 0.7, 0.9, "test-user", responseFormat, true, "low", 12345L, true, 5,
 					enhancements, streamOptions);
 	}
 
@@ -100,6 +101,7 @@ class AzureOpenAiChatOptionsTests {
 			.user("test-user")
 			.responseFormat(responseFormat)
 			.streamUsage(true)
+			.reasoningEffort("low")
 			.seed(12345L)
 			.logprobs(true)
 			.topLogprobs(5)
@@ -137,6 +139,7 @@ class AzureOpenAiChatOptionsTests {
 		options.setUser("test-user");
 		options.setResponseFormat(responseFormat);
 		options.setStreamUsage(true);
+		options.setReasoningEffort("low");
 		options.setSeed(12345L);
 		options.setLogprobs(true);
 		options.setTopLogProbs(5);
@@ -158,6 +161,7 @@ class AzureOpenAiChatOptionsTests {
 		assertThat(options.getUser()).isEqualTo("test-user");
 		assertThat(options.getResponseFormat()).isEqualTo(responseFormat);
 		assertThat(options.getStreamUsage()).isTrue();
+		assertThat(options.getReasoningEffort()).isEqualTo("low");
 		assertThat(options.getSeed()).isEqualTo(12345L);
 		assertThat(options.isLogprobs()).isTrue();
 		assertThat(options.getTopLogProbs()).isEqualTo(5);
@@ -182,6 +186,7 @@ class AzureOpenAiChatOptionsTests {
 		assertThat(options.getUser()).isNull();
 		assertThat(options.getResponseFormat()).isNull();
 		assertThat(options.getStreamUsage()).isNull();
+		assertThat(options.getReasoningEffort()).isNull();
 		assertThat(options.getSeed()).isNull();
 		assertThat(options.isLogprobs()).isNull();
 		assertThat(options.getTopLogProbs()).isNull();