diff --git a/src/components/ArticleV3/ArticleCellExplainCodeButton.css b/src/components/ArticleV3/ArticleCellExplainCodeButton.css
index b8d385c8..68f834dc 100644
--- a/src/components/ArticleV3/ArticleCellExplainCodeButton.css
+++ b/src/components/ArticleV3/ArticleCellExplainCodeButton.css
@@ -1,6 +1,7 @@
 .ArticleCellExplainCodeButton {
   --bs-btn-disabled-opacity: 0.8;
-  --status-error: red;
+  --status-error: tomato;
+  --status-error-alpha: rgba(255, 99, 71, 0.2);
   --status-success: green;
   color: var(--white);
 }
@@ -45,10 +46,16 @@
   display: block;
 }
 
-/* .ArticleCellExplainCodeButton.executing .ArticleCellExplainCodeButton__iconWrapper::after {
-  border: 2px solid var(--white);
-  animation: ArticleCellExplainCodeButton__rotate 2s linear infinite;
-} */
+.ArticleCellExplainCodeButton.error button {
+  color: var(--status-error);
+  border-color: var(--status-error) !important;
+}
+.ArticleCellExplainCodeButton.error button:hover {
+
+  border-color: var(--status-error) !important;
+  background-color: var(--status-error-alpha);
+}
+
 .ArticleCellExplainCodeButton.success .ArticleCellExplainCodeButton__iconWrapper::after {
   border: 2px solid var(--primary);
 }
@@ -57,6 +64,15 @@
   color: var(--primary);
 }
 
+.ArticleCellExplainCodeButton.error .ArticleCellExplainCodeButton__iconWrapper {
+  color: var(--status-error);
+}
+
+.ArticleCellExplainCodeButton.error .ArticleCellExplainCodeButton__iconWrapper::after {
+  border: 2px solid var(--status-error);
+}
+
+
 @keyframes ArticleCellExplainCodeButton__rotate {
   0% {
     transform: translate(-50%, -50%) rotate(0deg);
diff --git a/src/components/ArticleV3/ArticleCellExplainCodeButton.js b/src/components/ArticleV3/ArticleCellExplainCodeButton.js
index 860bc2c6..cce6a56d 100644
--- a/src/components/ArticleV3/ArticleCellExplainCodeButton.js
+++ b/src/components/ArticleV3/ArticleCellExplainCodeButton.js
@@ -1,4 +1,4 @@
-import { BrainWarning, ElectronicsChip, MagicWand, PauseSolid } from 'iconoir-react'
+import { BrainWarning, ElectronicsChip, PauseSolid } from 'iconoir-react'
 import React from 'react'
 import './ArticleCellExplainCodeButton.css'
 import CircularLoading from '../CircularLoading'
@@ -17,7 +17,7 @@ export const StatusBeforeExecuting = 'beforeExecuting'
 export const AvailableStatuses = [StatusIdle, StatusExecuting, StatusSuccess, StatusError]
 
 const StatusIcons = {
-  [StatusIdle]: MagicWand,
+  [StatusIdle]: ElectronicsChip,
   [StatusExecuting]: PauseSolid,
   [StatusSuccess]: ElectronicsChip,
   [StatusError]: BrainWarning,
@@ -42,7 +42,7 @@ const ArticleCellExplainCodeButton = ({
     <div className={`ArticleCellExplainCodeButton ${status} ${className}`}>
       <ButtonInflatable
         label={label}
-        className="btn btn-outline-white btn-sm d-flex align-items-center"
+        className="btn btn-outline-white-secondary btn-sm btn-pill d-flex align-items-center"
         onClick={onClick}
         disabled={disabled}
       >
diff --git a/src/components/ArticleV3/ArticleCellExplainer.css b/src/components/ArticleV3/ArticleCellExplainer.css
index cb2908da..e7353bba 100644
--- a/src/components/ArticleV3/ArticleCellExplainer.css
+++ b/src/components/ArticleV3/ArticleCellExplainer.css
@@ -2,3 +2,15 @@
   overflow: hidden;
   height: 0;
 }
+
+.ArticleCellExplainer__messages {
+  margin-top: var(--spacer-2);
+  padding: var(--spacer-1) var(--spacer-2);
+  border-radius: 5px;
+  max-height: 600px;
+}
+.ArticleCellExplainer__messages.error {
+  background: #ff634755;
+  color: tomato;
+  position: relative;
+}
diff --git a/src/components/ArticleV3/ArticleCellExplainer.js b/src/components/ArticleV3/ArticleCellExplainer.js
index 47811f55..6252c215 100644
--- a/src/components/ArticleV3/ArticleCellExplainer.js
+++ b/src/components/ArticleV3/ArticleCellExplainer.js
@@ -11,37 +11,51 @@ import './ArticleCellExplainer.css'
 
 import { useArticleCellExplainerStore } from '../../store'
 import { useMutation } from '@tanstack/react-query'
+import { useTranslation } from 'react-i18next'
+
+console.info(
+  '%cEnable Code Explainer',
+  'font-weight: bold',
+  process.env.REACT_APP_ENABLE_CODE_EXPLAINER === 'true',
+)
 
 const ArticleCellExplainer = ({ source = '', cellIdx = '', className = '' }) => {
+  const { t } = useTranslation()
   const messagesRef = useRef(null)
   const resultRef = useRef(null)
   const [styles, api] = useSpring(() => ({
     height: 0,
+    opacity: 0,
   }))
   const [free, lock] = useArticleCellExplainerStore((state) => [state.free, state.lock])
   const currentCellIdx = useArticleCellExplainerStore((state) => state.cellIdx)
 
-  const { status, mutate, data, error } = useMutation({
+  const { status, mutate } = useMutation({
     mutationFn: (code) => {
-      console.info('[ArticleCellExplainer] mutationFn', code)
-      return axios
-        .post('/api/explain', {
-          code,
-        })
-        .catch((error) => {
-          console.error('[ArticleCellExplainer] mutationFn error', error)
-          api.start({
-            height: messagesRef.current.scrollHeight,
-          })
-          free()
-          throw error
-        })
+      console.info('[ArticleCellExplainer] mutationFn n.chars:', code.length)
+      return axios.post('/api/explain', {
+        code,
+      })
     },
     onSuccess: (res) => {
       console.info('[ArticleCellExplainer] mutation success', res)
-      resultRef.current.innerHTML = JSON.stringify(res.data.result, null, 2)
+      const messages = res.data.result.choices.map((choice) => choice.content).join('<br/>')
+      resultRef.current.innerHTML = messages
       api.start({
         height: messagesRef.current.scrollHeight,
+        opacity: 1,
+      })
+      free()
+      return res
+    },
+    onError: (error) => {
+      console.error('[ArticleCellExplainer] mutation error', error)
+      resultRef.current.innerHTML = t('errors.explainCodeNotAvailable', {
+        error: error.message,
+      })
+      api.start({
+        height: messagesRef.current.scrollHeight,
+        opacity: 1,
       })
       free()
     },
@@ -52,10 +66,12 @@ const ArticleCellExplainer = ({ source = '', cellIdx = '', className = '' }) =>
     lock(cellIdx)
     let codeToExplain = Array.isArray(source) ? source.join('\n') : source
     // reduce the code To Explain Length to max 500 chars
+    codeToExplain = codeToExplain.trim().replace(/\n/g, ' ').replace(/\s+/g, ' ')
     if (codeToExplain.length > 1000) {
       codeToExplain = codeToExplain.slice(0, 1000)
       console.debug('[ArticleCellExplainer] codeToExplain shortened to 1000 chars')
     }
+
     mutate(codeToExplain)
   }
 
@@ -63,19 +79,20 @@ const ArticleCellExplainer = ({ source = '', cellIdx = '', className = '' }) =>
     free()
     api.start({
       height: 0,
+      opacity: 0,
     })
   }
   // display Status
   let displayStatus = StatusIdle
   if (status === 'success') {
     displayStatus = StatusSuccess
-  } else if (status === 'loading') {
+  } else if (status === 'pending') {
     displayStatus = StatusExecuting
   } else if (status === 'error') {
     displayStatus = StatusError
   }
   const disabled = currentCellIdx !== null
-  const cellSource = Array.isArray(source) ? source.join('\n') : source
+  // const cellSource = Array.isArray(source) ? source.join('\n') : source
   return (
     <div className={`ArticleCellExplainer ${className}`}>
       <div className="d-flex">
@@ -92,20 +109,13 @@ const ArticleCellExplainer = ({ source = '', cellIdx = '', className = '' }) =>
           (close)
         </a.button>
       </div>
-      <a.section ref={messagesRef} className="px-2" style={styles}>
-        <div ref={resultRef}></div>
-        axios: {status}
-        <pre>{JSON.stringify({ data, error })}</pre>
-        <h3>Explainer</h3>
-        {cellSource.length} characters
-        <pre>{cellSource}</pre>
-        <p>
-          This code cell is an explainer cell. It is used to provide context and explanation for the
-          code cell above it.
-        </p>
-        <p>
-          You can edit the content of this cell by clicking the pencil icon in the top right corner.
-        </p>
+      <a.section ref={messagesRef} style={{ height: styles.height }}>
+        <div
+          className={`ArticleCellExplainer__messages ${
+            displayStatus === StatusError ? 'error' : ''
+          }`}
+          ref={resultRef}
+        ></div>
       </a.section>
     </div>
   )