diff --git a/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/messages/reply/InReplyToMetadata.kt b/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/messages/reply/InReplyToMetadata.kt
index 9e5e468cd9..2da5184389 100644
--- a/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/messages/reply/InReplyToMetadata.kt
+++ b/libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/messages/reply/InReplyToMetadata.kt
@@ -10,12 +10,15 @@ package io.element.android.libraries.matrix.ui.messages.reply
 
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.Immutable
+import androidx.compose.ui.res.pluralStringResource
 import androidx.compose.ui.res.stringResource
 import io.element.android.libraries.matrix.api.timeline.item.event.AudioMessageType
 import io.element.android.libraries.matrix.api.timeline.item.event.CallNotifyContent
 import io.element.android.libraries.matrix.api.timeline.item.event.FailedToParseMessageLikeContent
 import io.element.android.libraries.matrix.api.timeline.item.event.FailedToParseStateContent
 import io.element.android.libraries.matrix.api.timeline.item.event.FileMessageType
+import io.element.android.libraries.matrix.api.timeline.item.event.GalleryItemType
+import io.element.android.libraries.matrix.api.timeline.item.event.GalleryMessageType
 import io.element.android.libraries.matrix.api.timeline.item.event.ImageMessageType
 import io.element.android.libraries.matrix.api.timeline.item.event.LegacyCallInviteContent
 import io.element.android.libraries.matrix.api.timeline.item.event.LiveLocationContent
@@ -35,6 +38,7 @@ import io.element.android.libraries.matrix.ui.components.AttachmentThumbnailInfo
 import io.element.android.libraries.matrix.ui.components.AttachmentThumbnailType
 import io.element.android.libraries.matrix.ui.messages.reply.InReplyToMetadata.Text
 import io.element.android.libraries.matrix.ui.messages.reply.InReplyToMetadata.Thumbnail
+import io.element.android.libraries.ui.strings.CommonPlurals
 import io.element.android.libraries.ui.strings.CommonStrings
 
 @Immutable
@@ -104,6 +108,44 @@ internal fun InReplyToDetails.Ready.metadata(hideImage: Boolean): InReplyToMetad
                 type = AttachmentThumbnailType.Voice,
             )
         )
+        is GalleryMessageType -> {
+            val caption = textContent?.takeIf { it.isNotBlank() }
+            val isMediaGallery = type.items.all { it is GalleryItemType.Image || it is GalleryItemType.Video }
+            val countPlural = if (isMediaGallery) {
+                CommonPlurals.common_gallery_reply_media_items
+            } else {
+                CommonPlurals.common_gallery_reply_attachments
+            }
+            val text = caption ?: pluralStringResource(countPlural, type.items.size, type.items.size)
+            if (isMediaGallery) {
+                val firstMediaItem = type.items.firstOrNull { it is GalleryItemType.Image || it is GalleryItemType.Video }
+                val thumbnailSource = when (firstMediaItem) {
+                    is GalleryItemType.Image -> (firstMediaItem.content.info?.thumbnailSource ?: firstMediaItem.content.source).takeUnless { hideImage }
+                    is GalleryItemType.Video -> firstMediaItem.content.info?.thumbnailSource?.takeUnless { hideImage }
+                    else -> null
+                }
+                val blurHash = when (firstMediaItem) {
+                    is GalleryItemType.Image -> firstMediaItem.content.info?.blurhash
+                    is GalleryItemType.Video -> firstMediaItem.content.info?.blurhash
+                    else -> null
+                }
+                Thumbnail(
+                    AttachmentThumbnailInfo(
+                        thumbnailSource = thumbnailSource,
+                        textContent = text,
+                        type = AttachmentThumbnailType.Image,
+                        blurHash = blurHash,
+                    )
+                )
+            } else {
+                Thumbnail(
+                    AttachmentThumbnailInfo(
+                        textContent = text,
+                        type = AttachmentThumbnailType.File,
+                    )
+                )
+            }
+        }
         else -> Text(textContent ?: eventContent.body)
     }
     is StickerContent -> Thumbnail(
diff --git a/libraries/matrixui/src/test/kotlin/io/element/android/libraries/matrix/ui/messages/reply/InReplyToMetadataKtTest.kt b/libraries/matrixui/src/test/kotlin/io/element/android/libraries/matrix/ui/messages/reply/InReplyToMetadataKtTest.kt
index 0847315867..5b6df661f3 100644
--- a/libraries/matrixui/src/test/kotlin/io/element/android/libraries/matrix/ui/messages/reply/InReplyToMetadataKtTest.kt
+++ b/libraries/matrixui/src/test/kotlin/io/element/android/libraries/matrix/ui/messages/reply/InReplyToMetadataKtTest.kt
@@ -24,6 +24,8 @@ import io.element.android.libraries.matrix.api.timeline.item.event.EventContent
 import io.element.android.libraries.matrix.api.timeline.item.event.FailedToParseMessageLikeContent
 import io.element.android.libraries.matrix.api.timeline.item.event.FailedToParseStateContent
 import io.element.android.libraries.matrix.api.timeline.item.event.FileMessageType
+import io.element.android.libraries.matrix.api.timeline.item.event.GalleryItemType
+import io.element.android.libraries.matrix.api.timeline.item.event.GalleryMessageType
 import io.element.android.libraries.matrix.api.timeline.item.event.ImageMessageType
 import io.element.android.libraries.matrix.api.timeline.item.event.LocationMessageType
 import io.element.android.libraries.matrix.api.timeline.item.event.OtherState
@@ -407,6 +409,226 @@ class InReplyToMetadataKtTest : RobolectricTest() {
         }
     }
 
+    @Test
+    fun `a gallery message with all media items shows media count`() = runTest {
+        moleculeFlow(RecompositionMode.Immediate) {
+            withConfigurationAndContext {
+                anInReplyToDetailsReady(
+                    eventContent = aMessageContent(
+                        messageType = GalleryMessageType(
+                            body = "",
+                            formatted = null,
+                            items = listOf(
+                                GalleryItemType.Image(
+                                    ImageMessageType(
+                                        filename = "image1.jpg",
+                                        caption = null,
+                                        formattedCaption = null,
+                                        source = aMediaSource(),
+                                        info = anImageInfo(),
+                                    )
+                                ),
+                                GalleryItemType.Image(
+                                    ImageMessageType(
+                                        filename = "image2.jpg",
+                                        caption = null,
+                                        formattedCaption = null,
+                                        source = aMediaSource(),
+                                        info = anImageInfo(),
+                                    )
+                                ),
+                            ),
+                        )
+                    ),
+                    textContent = "",
+                ).metadata(hideImage = false)
+            }
+        }.test {
+            awaitItem().let {
+                assertThat(it).isEqualTo(
+                    InReplyToMetadata.Thumbnail(
+                        attachmentThumbnailInfo = AttachmentThumbnailInfo(
+                            thumbnailSource = aMediaSource(),
+                            textContent = "2 media items…",
+                            type = AttachmentThumbnailType.Image,
+                            blurHash = A_BLUR_HASH,
+                        )
+                    )
+                )
+            }
+        }
+    }
+
+    @Test
+    fun `a gallery message with attachment items shows attachment count`() = runTest {
+        moleculeFlow(RecompositionMode.Immediate) {
+            withConfigurationAndContext {
+                anInReplyToDetailsReady(
+                    eventContent = aMessageContent(
+                        messageType = GalleryMessageType(
+                            body = "",
+                            formatted = null,
+                            items = listOf(
+                                GalleryItemType.File(
+                                    FileMessageType(
+                                        filename = "doc1.pdf",
+                                        caption = null,
+                                        formattedCaption = null,
+                                        source = aMediaSource(),
+                                        info = FileInfo(
+                                            mimetype = null,
+                                            size = null,
+                                            thumbnailInfo = null,
+                                            thumbnailSource = null,
+                                        ),
+                                    )
+                                ),
+                                GalleryItemType.File(
+                                    FileMessageType(
+                                        filename = "doc2.pdf",
+                                        caption = null,
+                                        formattedCaption = null,
+                                        source = aMediaSource(),
+                                        info = FileInfo(
+                                            mimetype = null,
+                                            size = null,
+                                            thumbnailInfo = null,
+                                            thumbnailSource = null,
+                                        ),
+                                    )
+                                ),
+                            ),
+                        )
+                    ),
+                    textContent = "",
+                ).metadata(hideImage = false)
+            }
+        }.test {
+            awaitItem().let {
+                assertThat(it).isEqualTo(
+                    InReplyToMetadata.Thumbnail(
+                        attachmentThumbnailInfo = AttachmentThumbnailInfo(
+                            thumbnailSource = null,
+                            textContent = "2 attachments…",
+                            type = AttachmentThumbnailType.File,
+                            blurHash = null,
+                        )
+                    )
+                )
+            }
+        }
+    }
+
+    @Test
+    fun `a gallery message with caption shows caption instead of count`() = runTest {
+        moleculeFlow(RecompositionMode.Immediate) {
+            withConfigurationAndContext {
+                anInReplyToDetailsReady(
+                    eventContent = aMessageContent(
+                        messageType = GalleryMessageType(
+                            body = "My vacation photos",
+                            formatted = null,
+                            items = listOf(
+                                GalleryItemType.Image(
+                                    ImageMessageType(
+                                        filename = "image1.jpg",
+                                        caption = null,
+                                        formattedCaption = null,
+                                        source = aMediaSource(),
+                                        info = anImageInfo(),
+                                    )
+                                ),
+                                GalleryItemType.Image(
+                                    ImageMessageType(
+                                        filename = "image2.jpg",
+                                        caption = null,
+                                        formattedCaption = null,
+                                        source = aMediaSource(),
+                                        info = anImageInfo(),
+                                    )
+                                ),
+                            ),
+                        )
+                    ),
+                    textContent = "My vacation photos",
+                ).metadata(hideImage = false)
+            }
+        }.test {
+            awaitItem().let {
+                assertThat(it).isEqualTo(
+                    InReplyToMetadata.Thumbnail(
+                        attachmentThumbnailInfo = AttachmentThumbnailInfo(
+                            thumbnailSource = aMediaSource(),
+                            textContent = "My vacation photos",
+                            type = AttachmentThumbnailType.Image,
+                            blurHash = A_BLUR_HASH,
+                        )
+                    )
+                )
+            }
+        }
+    }
+
+    @Test
+    fun `a gallery message with attachment items and caption shows caption instead of count`() = runTest {
+        moleculeFlow(RecompositionMode.Immediate) {
+            withConfigurationAndContext {
+                anInReplyToDetailsReady(
+                    eventContent = aMessageContent(
+                        messageType = GalleryMessageType(
+                            body = "My documents",
+                            formatted = null,
+                            items = listOf(
+                                GalleryItemType.File(
+                                    FileMessageType(
+                                        filename = "doc1.pdf",
+                                        caption = null,
+                                        formattedCaption = null,
+                                        source = aMediaSource(),
+                                        info = FileInfo(
+                                            mimetype = null,
+                                            size = null,
+                                            thumbnailInfo = null,
+                                            thumbnailSource = null,
+                                        ),
+                                    )
+                                ),
+                                GalleryItemType.File(
+                                    FileMessageType(
+                                        filename = "doc2.pdf",
+                                        caption = null,
+                                        formattedCaption = null,
+                                        source = aMediaSource(),
+                                        info = FileInfo(
+                                            mimetype = null,
+                                            size = null,
+                                            thumbnailInfo = null,
+                                            thumbnailSource = null,
+                                        ),
+                                    )
+                                ),
+                            ),
+                        )
+                    ),
+                    textContent = "My documents",
+                ).metadata(hideImage = false)
+            }
+        }.test {
+            awaitItem().let {
+                assertThat(it).isEqualTo(
+                    InReplyToMetadata.Thumbnail(
+                        attachmentThumbnailInfo = AttachmentThumbnailInfo(
+                            thumbnailSource = null,
+                            textContent = "My documents",
+                            type = AttachmentThumbnailType.File,
+                            blurHash = null,
+                        )
+                    )
+                )
+            }
+        }
+    }
+
     @Test
     fun `a poll content`() = runTest {
         moleculeFlow(RecompositionMode.Immediate) {
diff --git a/libraries/ui-strings/src/main/res/values/temporary.xml b/libraries/ui-strings/src/main/res/values/temporary.xml
index fd1edb0759..47d2007517 100644
--- a/libraries/ui-strings/src/main/res/values/temporary.xml
+++ b/libraries/ui-strings/src/main/res/values/temporary.xml
@@ -8,4 +8,10 @@
 <resources>
     <string name="action_mark_as_read">"Mark as read"</string>
     <string name="a11y_jump_to_unread_messages">"Jump to first unread message"</string>
+    <plurals name="common_gallery_reply_media_items">
+        <item quantity="other">"%1$d media items…"</item>
+    </plurals>
+    <plurals name="common_gallery_reply_attachments">
+        <item quantity="other">"%1$d attachments…"</item>
+    </plurals>
 </resources>