diff --git a/src/main/java/de/extio/lmlib/client/oai/completion/AbstractCompletionClient.java b/src/main/java/de/extio/lmlib/client/oai/completion/AbstractCompletionClient.java
index d2f7765..dd2e5a9 100755
--- a/src/main/java/de/extio/lmlib/client/oai/completion/AbstractCompletionClient.java
+++ b/src/main/java/de/extio/lmlib/client/oai/completion/AbstractCompletionClient.java
@@ -1,5 +1,7 @@
 package de.extio.lmlib.client.oai.completion;
 
+import java.io.IOException;
+import java.io.InputStream;
 import java.math.BigDecimal;
 import java.text.DecimalFormat;
 import java.time.Duration;
@@ -17,6 +19,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatusCode;
 import org.springframework.web.client.RestClient;
 import org.springframework.web.client.RestClientException;
 import org.springframework.web.client.RestClientResponseException;
@@ -168,6 +171,15 @@ public abstract class AbstractCompletionClient implements Client, DisposableBean
 		return this.getModelNames(modelProfile, false).stream().findFirst().orElse("");
 	}
 
+	protected void logErrorResponse(final HttpStatusCode statusCode, final InputStream responseBody) {
+		try {
+			LOGGER.warn("Error response from server: {} {}", statusCode, new String(responseBody.readAllBytes(), java.nio.charset.StandardCharsets.UTF_8));
+		}
+		catch (final IOException e) {
+			LOGGER.warn("Error response from server: {} <failed to read response body: {}>", statusCode, e.getMessage());
+		}
+	}
+
 	private List<String> loadModelNames(final ModelProfile modelProfile) {
 		try {
 			final var restClient = this.restClientBuilder.baseUrl(modelProfile.url()).build();
diff --git a/src/main/java/de/extio/lmlib/client/oai/completion/chat/ChatCompletionClient.java b/src/main/java/de/extio/lmlib/client/oai/completion/chat/ChatCompletionClient.java
index 8295814..3d4aa64 100755
--- a/src/main/java/de/extio/lmlib/client/oai/completion/chat/ChatCompletionClient.java
+++ b/src/main/java/de/extio/lmlib/client/oai/completion/chat/ChatCompletionClient.java
@@ -74,6 +74,7 @@ public class ChatCompletionClient extends AbstractCompletionClient {
 				.body(requestBody)
 				.exchange((clientRequest, clientResponse) -> {
 					if (clientResponse.getStatusCode().isError()) {
+						this.logErrorResponse(clientResponse.getStatusCode(), clientResponse.getBody());
 						throw new IllegalStateException("Error response from server: " + clientResponse.getStatusCode());
 					}
 					
diff --git a/src/main/java/de/extio/lmlib/client/oai/completion/text/TextCompletionClient.java b/src/main/java/de/extio/lmlib/client/oai/completion/text/TextCompletionClient.java
index 4e18b02..64adbef 100755
--- a/src/main/java/de/extio/lmlib/client/oai/completion/text/TextCompletionClient.java
+++ b/src/main/java/de/extio/lmlib/client/oai/completion/text/TextCompletionClient.java
@@ -77,6 +77,7 @@ public class TextCompletionClient extends AbstractCompletionClient {
 				.body(requestBody)
 				.exchange((clientRequest, clientResponse) -> {
 					if (clientResponse.getStatusCode().isError()) {
+						this.logErrorResponse(clientResponse.getStatusCode(), clientResponse.getBody());
 						throw new IllegalStateException("Error response from server: " + clientResponse.getStatusCode());
 					}