diff --git a/api/pom.xml b/api/pom.xml
index d24fbcb6..c8f1436c 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -45,18 +45,7 @@
 			<artifactId>spring-boot-starter-security</artifactId>
 		</dependency>
 		
-		<dependency>
-			<groupId>dev.langchain4j</groupId>
-			<artifactId>langchain4j</artifactId>
-			<version>0.25.0</version>
-		</dependency>
-
-		<dependency>
-			<groupId>dev.langchain4j</groupId>
-			<artifactId>langchain4j-open-ai-spring-boot-starter</artifactId>
-			<version>0.25.0</version>
-		</dependency>
-
+	
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-actuator</artifactId>
diff --git a/api/src/main/java/org/open4goods/api/config/ApiConfig.java b/api/src/main/java/org/open4goods/api/config/ApiConfig.java
index 8e2226e9..1d8be6eb 100644
--- a/api/src/main/java/org/open4goods/api/config/ApiConfig.java
+++ b/api/src/main/java/org/open4goods/api/config/ApiConfig.java
@@ -12,8 +12,6 @@
 import org.open4goods.api.services.RealtimeAggregationService;
 import org.open4goods.api.services.ReferentielService;
 import org.open4goods.api.services.aggregation.services.batch.AiCompletionAggregationService;
-import org.open4goods.api.services.ai.AiService;
-import org.open4goods.api.services.ai.NudgerAgent;
 import org.open4goods.api.services.store.DataFragmentStoreService;
 import org.open4goods.crawler.config.yml.FetcherProperties;
 import org.open4goods.crawler.repository.CsvIndexationRepository;
@@ -45,6 +43,8 @@
 import org.open4goods.services.SerialisationService;
 import org.open4goods.services.StandardiserService;
 import org.open4goods.services.VerticalsConfigService;
+import org.open4goods.services.ai.AiService;
+import org.open4goods.services.ai.NudgerAgent;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springdoc.core.customizers.OpenApiCustomizer;
diff --git a/api/src/main/java/org/open4goods/api/controller/api/ProductController.java b/api/src/main/java/org/open4goods/api/controller/api/ProductController.java
index 3e25921c..b7384451 100644
--- a/api/src/main/java/org/open4goods/api/controller/api/ProductController.java
+++ b/api/src/main/java/org/open4goods/api/controller/api/ProductController.java
@@ -4,12 +4,12 @@
 
 import java.util.Map;
 
-import org.open4goods.api.services.ai.AiService;
 import org.open4goods.dao.ProductRepository;
 import org.open4goods.exceptions.ResourceNotFoundException;
 import org.open4goods.model.constants.RolesConstants;
 import org.open4goods.model.data.AiDescription;
 import org.open4goods.model.product.Product;
+import org.open4goods.services.ai.AiService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.GetMapping;
diff --git a/api/src/main/java/org/open4goods/api/services/aggregation/services/batch/AiCompletionAggregationService.java b/api/src/main/java/org/open4goods/api/services/aggregation/services/batch/AiCompletionAggregationService.java
index f05bbc5b..b9910489 100644
--- a/api/src/main/java/org/open4goods/api/services/aggregation/services/batch/AiCompletionAggregationService.java
+++ b/api/src/main/java/org/open4goods/api/services/aggregation/services/batch/AiCompletionAggregationService.java
@@ -4,13 +4,13 @@
 import java.util.Map.Entry;
 
 import org.open4goods.api.services.aggregation.AbstractBatchAggregationService;
-import org.open4goods.api.services.ai.AiService;
 import org.open4goods.config.yml.attributes.AiConfig;
 import org.open4goods.config.yml.ui.VerticalConfig;
 import org.open4goods.model.data.AiDescription;
 import org.open4goods.model.product.Product;
 import org.open4goods.services.EvaluationService;
 import org.open4goods.services.VerticalsConfigService;
+import org.open4goods.services.ai.AiService;
 
 /**
  * Service in charge of mapping product categories to verticals
diff --git a/commons/pom.xml b/commons/pom.xml
index 6063b621..b2b620f6 100644
--- a/commons/pom.xml
+++ b/commons/pom.xml
@@ -46,13 +46,13 @@
 
 
 		<dependency>
-		    <groupId>org.thymeleaf</groupId>
-		    <artifactId>thymeleaf-spring6</artifactId>
+			<groupId>org.thymeleaf</groupId>
+			<artifactId>thymeleaf-spring6</artifactId>
 		</dependency>
-		
+
 		<dependency>
-		    <groupId>org.springframework.boot</groupId>
-		    <artifactId>spring-boot-starter-data-redis</artifactId>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-redis</artifactId>
 		</dependency>
 
 		<dependency>
@@ -79,6 +79,19 @@
 			<version>1.8.0</version>
 		</dependency>
 
+		<dependency>
+			<groupId>dev.langchain4j</groupId>
+			<artifactId>langchain4j</artifactId>
+			<version>0.25.0</version>
+		</dependency>
+
+		<dependency>
+			<groupId>dev.langchain4j</groupId>
+			<artifactId>langchain4j-open-ai-spring-boot-starter</artifactId>
+			<version>0.25.0</version>
+		</dependency>
+
+
 		<dependency>
 			<groupId>jakarta.mail</groupId>
 			<artifactId>jakarta.mail-api</artifactId>
diff --git a/api/src/main/java/org/open4goods/api/services/ai/AiService.java b/commons/src/main/java/org/open4goods/services/ai/AiService.java
similarity index 98%
rename from api/src/main/java/org/open4goods/api/services/ai/AiService.java
rename to commons/src/main/java/org/open4goods/services/ai/AiService.java
index 348bca52..30be8ccc 100644
--- a/api/src/main/java/org/open4goods/api/services/ai/AiService.java
+++ b/commons/src/main/java/org/open4goods/services/ai/AiService.java
@@ -1,4 +1,4 @@
-package org.open4goods.api.services.ai;
+package org.open4goods.services.ai;
 
 
 import java.util.ArrayList;
diff --git a/api/src/main/java/org/open4goods/api/services/ai/NudgerAgent.java b/commons/src/main/java/org/open4goods/services/ai/NudgerAgent.java
similarity index 86%
rename from api/src/main/java/org/open4goods/api/services/ai/NudgerAgent.java
rename to commons/src/main/java/org/open4goods/services/ai/NudgerAgent.java
index cdd65c63..0bc40724 100644
--- a/api/src/main/java/org/open4goods/api/services/ai/NudgerAgent.java
+++ b/commons/src/main/java/org/open4goods/services/ai/NudgerAgent.java
@@ -1,4 +1,4 @@
-package org.open4goods.api.services.ai;
+package org.open4goods.services.ai;
 
 import dev.langchain4j.service.SystemMessage;
 
diff --git a/ui/src/main/java/org/open4goods/ui/config/AppConfig.java b/ui/src/main/java/org/open4goods/ui/config/AppConfig.java
index f58214fb..d4c68a15 100644
--- a/ui/src/main/java/org/open4goods/ui/config/AppConfig.java
+++ b/ui/src/main/java/org/open4goods/ui/config/AppConfig.java
@@ -23,6 +23,8 @@
 import org.open4goods.services.StandardiserService;
 import org.open4goods.services.VerticalsConfigService;
 import org.open4goods.services.XwikiService;
+import org.open4goods.services.ai.AiService;
+import org.open4goods.services.ai.NudgerAgent;
 import org.open4goods.ui.config.yml.UiConfig;
 import org.open4goods.ui.services.GtinService;
 import org.open4goods.ui.services.ImageService;
@@ -51,6 +53,13 @@
 @Configuration
 public class AppConfig {
 
+	
+	@Bean
+	@Autowired  
+	AiService aiService (NudgerAgent nudgerAgent, VerticalsConfigService verticalService, EvaluationService spelEvaluationService) {
+		return new AiService(nudgerAgent, verticalService, spelEvaluationService);
+	}
+	
 	// TODO : Cache period pageNumber conf
 	public static final int CACHE_PERIOD_SECONDS = 3600*24*7;
 	private final UiConfig config;