diff --git a/ollama/runtime/src/main/java/io/quarkiverse/langchain4j/ollama/runtime/config/ChatModelConfig.java b/ollama/runtime/src/main/java/io/quarkiverse/langchain4j/ollama/runtime/config/ChatModelConfig.java
index a514b1cb4..a69556cf7 100644
--- a/ollama/runtime/src/main/java/io/quarkiverse/langchain4j/ollama/runtime/config/ChatModelConfig.java
+++ b/ollama/runtime/src/main/java/io/quarkiverse/langchain4j/ollama/runtime/config/ChatModelConfig.java
@@ -9,8 +9,11 @@
 public interface ChatModelConfig {
 
     /**
-     * Model to use
+     * Model to use. According to <a href="https://github.com/jmorganca/ollama/blob/main/docs/api.md#model-names">Ollama
+     * docs</a>,
+     * the default value is {@code latest}
      */
+    @WithDefault("latest")
     String modelId();
 
     /**