diff --git a/action.yaml b/action.yaml
index a92a2c3..d7dffa0 100644
--- a/action.yaml
+++ b/action.yaml
@@ -15,6 +15,8 @@ inputs:
 outputs:
   status:
     description: 'Execution result status'
+  output:
+    description: 'Codex execution output'
 runs:
   using: 'docker'
   image: 'Dockerfile'
diff --git a/entrypoint.sh b/entrypoint.sh
index a07f959..1f6cba5 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -33,10 +33,30 @@ mv "$auth_file" "$CODEX_HOME/auth.json"
 chmod 600 "$CODEX_HOME/auth.json"
 trap - EXIT
 
+codex_output="$(mktemp)"
+trap 'rm -f "$codex_output"' EXIT
+
+set +e
 codex exec \
   --model "$MODEL" \
-  "$PROMPT"
+  "$PROMPT" 2>&1 | tee "$codex_output"
+codex_status="${PIPESTATUS[0]}"
+set -e
 
 if [[ -n "${GITHUB_OUTPUT:-}" ]]; then
-  echo "status=completed" >> "$GITHUB_OUTPUT"
+  output_delimiter="CODEX_OUTPUT_$(date +%s)_$$"
+
+  if [[ "$codex_status" -eq 0 ]]; then
+    echo "status=completed" >> "$GITHUB_OUTPUT"
+  else
+    echo "status=failed" >> "$GITHUB_OUTPUT"
+  fi
+
+  {
+    echo "output<<$output_delimiter"
+    cat "$codex_output"
+    echo "$output_delimiter"
+  } >> "$GITHUB_OUTPUT"
 fi
+
+exit "$codex_status"