diff --git a/packages/instantsearch.css/src/themes/satellite.scss b/packages/instantsearch.css/src/themes/satellite.scss
index 23bc6e1992..0585d5d253 100644
--- a/packages/instantsearch.css/src/themes/satellite.scss
+++ b/packages/instantsearch.css/src/themes/satellite.scss
@@ -546,17 +546,86 @@ $break-medium: 767px;
   display: none;
 }
 
-.ais-SearchBox-form .ais-AiModeButton {
+.ais-SearchBox-form .ais-AiModeButton-pill {
   position: absolute;
   right: 0.375rem;
   top: 50%;
   transform: translateY(-50%);
+  display: inline-flex;
+  align-items: stretch;
+}
+
+.ais-AiModeButton-pill .ais-AiModeButton {
+  border-bottom-right-radius: 0;
+  border-right: 0;
+  border-top-right-radius: 0;
+
+  transition: background-color var(--ais-transition-duration)
+      var(--ais-transition-timing-function),
+    border-color var(--ais-transition-duration)
+      var(--ais-transition-timing-function),
+    color var(--ais-transition-duration)
+      var(--ais-transition-timing-function),
+    border-radius var(--ais-transition-duration)
+      var(--ais-transition-timing-function);
+}
+
+.ais-AiModeButton-enterHint {
+  font-size: calc(var(--ais-font-size) * 0.75);
+  opacity: 0.7;
+
+  transition: opacity var(--ais-transition-duration)
+    var(--ais-transition-timing-function);
+}
+
+.ais-AiModeButton-pill--disabled .ais-AiModeButton,
+.ais-AiModeButton-pill--disabled .ais-AiModeButton-dismiss {
+  background-color: transparent;
+}
+
+.ais-AiModeButton-pill--disabled .ais-AiModeButton-enterHint {
+  display: none;
+}
+
+@media (hover: hover) {
+  .ais-AiModeButton-pill--disabled .ais-AiModeButton:hover,
+  .ais-AiModeButton-pill--disabled .ais-AiModeButton-dismiss:hover {
+    background-color: rgba(var(--ais-primary-color-rgb), 0.08);
+  }
+}
+
+.ais-AiModeButton-dismiss {
+  align-items: center;
+  background-color: rgba(var(--ais-primary-color-rgb), 0.08);
+  border: 1px solid rgba(var(--ais-primary-color-rgb), 0.3);
+  border-bottom-left-radius: 0;
+  border-top-left-radius: 0;
+  border-radius: 0 var(--ais-border-radius-sm) var(--ais-border-radius-sm) 0;
+  color: rgba(var(--ais-primary-color-rgb), 1);
+  cursor: pointer;
+  display: inline-flex;
+  font: inherit;
+  font-size: 1rem;
+  justify-content: center;
+  line-height: 1;
+  padding: 0 0.5rem;
+  transition: background-color var(--ais-transition-duration)
+      var(--ais-transition-timing-function),
+    border-color var(--ais-transition-duration)
+      var(--ais-transition-timing-function);
+
+  @media (hover: hover) {
+    &:hover {
+      background-color: rgba(var(--ais-primary-color-rgb), 0.15);
+      border-color: rgba(var(--ais-primary-color-rgb), 1);
+    }
+  }
 }
 
-.ais-SearchBox-form:has(.ais-AiModeButton) .ais-SearchBox-reset,
-.ais-SearchBox-form:has(.ais-AiModeButton)
+.ais-SearchBox-form:has(.ais-AiModeButton-pill) .ais-SearchBox-reset,
+.ais-SearchBox-form:has(.ais-AiModeButton-pill)
   .ais-SearchBox-loadingIndicator {
-  right: 7rem;
+  right: 8.5rem;
 }
 
 .ais-Menu-searchBox,
diff --git a/packages/instantsearch.js/src/components/SearchBox/SearchBox.tsx b/packages/instantsearch.js/src/components/SearchBox/SearchBox.tsx
index 66292970ed..1982734bc5 100644
--- a/packages/instantsearch.js/src/components/SearchBox/SearchBox.tsx
+++ b/packages/instantsearch.js/src/components/SearchBox/SearchBox.tsx
@@ -73,6 +73,7 @@ type SearchBoxPropsWithDefaultProps = SearchBoxProps &
 type SearchBoxState = {
   query: string;
   focused: boolean;
+  aiModeActive: boolean;
 };
 
 class SearchBox extends Component<
@@ -84,6 +85,7 @@ class SearchBox extends Component<
   public state = {
     query: this.props.query,
     focused: false,
+    aiModeActive: true,
   };
 
   private input = createRef<HTMLInputElement>();
@@ -133,7 +135,9 @@ class SearchBox extends Component<
   }
 
   private onSubmit = (event: Event) => {
-    const { searchAsYouType, refine, onSubmit } = this.props;
+    const { searchAsYouType, refine, onSubmit, onAiModeClick } = this.props;
+    const aiModeSubmitsToChat =
+      Boolean(onAiModeClick) && this.state.aiModeActive;
 
     event.preventDefault();
     event.stopPropagation();
@@ -141,7 +145,10 @@ class SearchBox extends Component<
       this.input.current.blur();
     }
 
-    if (!searchAsYouType) {
+    if (aiModeSubmitsToChat && onAiModeClick) {
+      // AI mode pill is active: route Enter to the chat instead of the search.
+      onAiModeClick(this.state.query);
+    } else if (!searchAsYouType) {
       refine(this.state.query);
     }
 
@@ -150,6 +157,11 @@ class SearchBox extends Component<
     return false;
   };
 
+  private onAiModeToggleShortcut = (event: Event) => {
+    event.preventDefault();
+    this.setState((prev) => ({ aiModeActive: !prev.aiModeActive }));
+  };
+
   private onReset = (event: Event) => {
     const { refine, onReset } = this.props;
     const query = '';
@@ -180,6 +192,8 @@ class SearchBox extends Component<
 
   private onAiModeClick = (event: Event) => {
     event.preventDefault();
+    // Pill body always submits to chat. The Enter shortcut is what gets
+    // disabled via the side toggle.
     this.props.onAiModeClick?.(this.state.query);
   };
 
@@ -277,19 +291,46 @@ class SearchBox extends Component<
           )}
 
           {onAiModeClick && (
-            <Template
-              templateKey="aiMode"
-              rootTagName="button"
-              rootProps={{
-                className: cssClasses.aiModeButton,
-                type: 'button',
-                title: 'AI Mode',
-                disabled: aiModeButtonDisabled,
-                onClick: this.onAiModeClick,
-              }}
-              templates={templates}
-              data={{ cssClasses }}
-            />
+            <span
+              className={
+                'ais-AiModeButton-pill' +
+                (this.state.aiModeActive
+                  ? ''
+                  : ' ais-AiModeButton-pill--disabled')
+              }
+            >
+              <Template
+                templateKey="aiMode"
+                rootTagName="button"
+                rootProps={{
+                  className: cssClasses.aiModeButton,
+                  type: 'button',
+                  title: 'Ask AI',
+                  disabled: aiModeButtonDisabled,
+                  onClick: this.onAiModeClick,
+                }}
+                templates={templates}
+                data={{ cssClasses }}
+              />
+              <button
+                type="button"
+                className="ais-AiModeButton-dismiss"
+                title={
+                  this.state.aiModeActive
+                    ? 'Disable Enter shortcut for AI mode'
+                    : 'Re-enable Enter shortcut for AI mode'
+                }
+                aria-label={
+                  this.state.aiModeActive
+                    ? 'Disable Enter shortcut for AI mode'
+                    : 'Re-enable Enter shortcut for AI mode'
+                }
+                aria-pressed={this.state.aiModeActive}
+                onClick={this.onAiModeToggleShortcut}
+              >
+                {this.state.aiModeActive ? '×' : '⏎'}
+              </button>
+            </span>
           )}
         </form>
       </div>
diff --git a/packages/instantsearch.js/src/widgets/autocomplete/autocomplete.tsx b/packages/instantsearch.js/src/widgets/autocomplete/autocomplete.tsx
index 4d1058c97a..1c4f8e90af 100644
--- a/packages/instantsearch.js/src/widgets/autocomplete/autocomplete.tsx
+++ b/packages/instantsearch.js/src/widgets/autocomplete/autocomplete.tsx
@@ -1090,9 +1090,10 @@ type AutocompleteWidgetParams<TItem extends BaseHit> = {
   translations?: Partial<AutocompleteTranslations>;
 
   /**
-   * When true, renders an AI mode button inside the search input
-   * that opens the Chat widget and sends the current query.
-   * Requires a Chat widget on the same index.
+   * Whether to render the AI mode button inside the search input, which opens
+   * the Chat widget and sends the current query. Defaults to `true`; set to
+   * `false` to opt out. Requires a Chat widget on the same index to do
+   * anything when clicked.
    */
   aiMode?: boolean;
 };
@@ -1123,7 +1124,7 @@ export function EXPERIMENTAL_autocomplete<TItem extends BaseHit = BaseHit>(
     autofocus,
     detachedMediaQuery,
     translations: userTranslations = {},
-    aiMode,
+    aiMode = true,
   } = widgetParams || {};
 
   if (!container) {
diff --git a/packages/instantsearch.js/src/widgets/search-box/defaultTemplates.tsx b/packages/instantsearch.js/src/widgets/search-box/defaultTemplates.tsx
index b02f85f2af..857db13af3 100644
--- a/packages/instantsearch.js/src/widgets/search-box/defaultTemplates.tsx
+++ b/packages/instantsearch.js/src/widgets/search-box/defaultTemplates.tsx
@@ -29,7 +29,10 @@ const defaultTemplate: SearchBoxComponentTemplates = {
             clip-rule="evenodd"
           />
         </svg>
-        <span className={cssClasses.aiModeLabel}>AI Mode</span>
+        <span className={cssClasses.aiModeLabel}>Ask AI</span>
+        <span className="ais-AiModeButton-enterHint" aria-hidden="true">
+          ⏎
+        </span>
       </Fragment>
     );
   },
diff --git a/packages/instantsearch.js/src/widgets/search-box/search-box.tsx b/packages/instantsearch.js/src/widgets/search-box/search-box.tsx
index 907a4c63a0..8c19df2ee0 100644
--- a/packages/instantsearch.js/src/widgets/search-box/search-box.tsx
+++ b/packages/instantsearch.js/src/widgets/search-box/search-box.tsx
@@ -154,9 +154,10 @@ export type SearchBoxWidgetParams = {
    */
   queryHook?: (query: string, hook: (value: string) => void) => void;
   /**
-   * When true, renders an AI mode button inside the search box
-   * that opens the Chat widget and sends the current query.
-   * Requires a Chat widget on the same index.
+   * Whether to render the AI mode button inside the search box, which opens
+   * the Chat widget and sends the current query. Defaults to `true`; set to
+   * `false` to opt out. Requires a Chat widget on the same index to do
+   * anything when clicked.
    */
   aiMode?: boolean;
 };
@@ -265,7 +266,7 @@ const searchBox: SearchBoxWidget = function searchBox(widgetParams) {
     showLoadingIndicator = true,
     queryHook,
     templates: userTemplates = {},
-    aiMode,
+    aiMode = true,
   } = widgetParams || {};
   if (!container) {
     throw new Error(withUsage('The `container` option is required.'));
diff --git a/packages/react-instantsearch/src/ui/SearchBox.tsx b/packages/react-instantsearch/src/ui/SearchBox.tsx
index 223871d7d8..e194ce236f 100644
--- a/packages/react-instantsearch/src/ui/SearchBox.tsx
+++ b/packages/react-instantsearch/src/ui/SearchBox.tsx
@@ -1,5 +1,5 @@
 import { cx } from 'instantsearch-ui-components';
-import React from 'react';
+import React, { useState } from 'react';
 
 export type IconProps = {
   classNames: Partial<SearchBoxClassNames>;
@@ -203,11 +203,17 @@ export function SearchBox({
   translations,
   ...props
 }: SearchBoxProps) {
+  const [aiModeActive, setAiModeActive] = useState(true);
+  const pillVisible = Boolean(onAiModeClick);
+
   function handleSubmit(event: React.FormEvent<HTMLFormElement>) {
     event.preventDefault();
     event.stopPropagation();
 
-    if (onSubmit) {
+    if (pillVisible && aiModeActive && onAiModeClick) {
+      // AI mode pill is active: route Enter to the chat instead of the search.
+      onAiModeClick();
+    } else if (onSubmit) {
       onSubmit(event);
     }
 
@@ -277,25 +283,53 @@ export function SearchBox({
         >
           <ResetIcon classNames={classNames} />
         </button>
-        {onAiModeClick && (
-          <button
+        {pillVisible && (
+          <span
             className={cx(
-              'ais-AiModeButton',
-              classNames.aiModeButton
+              'ais-AiModeButton-pill',
+              !aiModeActive && 'ais-AiModeButton-pill--disabled'
             )}
-            type="button"
-            title={translations.aiModeButtonTitle || 'AI Mode'}
-            disabled={aiModeButtonDisabled}
-            onClick={(e) => {
-              e.preventDefault();
-              onAiModeClick();
-            }}
           >
-            <AiModeIcon classNames={classNames} />
-            <span className="ais-AiModeButton-label">
-              {translations.aiModeButtonTitle || 'AI Mode'}
-            </span>
-          </button>
+            <button
+              className={cx('ais-AiModeButton', classNames.aiModeButton)}
+              type="button"
+              title={translations.aiModeButtonTitle || 'Ask AI'}
+              disabled={aiModeButtonDisabled}
+              onClick={(e) => {
+                e.preventDefault();
+                onAiModeClick?.();
+              }}
+            >
+              <AiModeIcon classNames={classNames} />
+              <span className="ais-AiModeButton-label">
+                {translations.aiModeButtonTitle || 'Ask AI'}
+              </span>
+              <span className="ais-AiModeButton-enterHint" aria-hidden="true">
+                ⏎
+              </span>
+            </button>
+            <button
+              className="ais-AiModeButton-dismiss"
+              type="button"
+              title={
+                aiModeActive
+                  ? 'Disable Enter shortcut for AI mode'
+                  : 'Re-enable Enter shortcut for AI mode'
+              }
+              aria-label={
+                aiModeActive
+                  ? 'Disable Enter shortcut for AI mode'
+                  : 'Re-enable Enter shortcut for AI mode'
+              }
+              aria-pressed={aiModeActive}
+              onClick={(e) => {
+                e.preventDefault();
+                setAiModeActive((prev) => !prev);
+              }}
+            >
+              {aiModeActive ? '×' : '⏎'}
+            </button>
+          </span>
         )}
         <span
           className={cx(
diff --git a/packages/react-instantsearch/src/widgets/SearchBox.tsx b/packages/react-instantsearch/src/widgets/SearchBox.tsx
index 66de823a4d..78972f70ff 100644
--- a/packages/react-instantsearch/src/widgets/SearchBox.tsx
+++ b/packages/react-instantsearch/src/widgets/SearchBox.tsx
@@ -39,9 +39,10 @@ export type SearchBoxProps = Omit<
      */
     ignoreCompositionEvents?: boolean;
     /**
-     * When true, renders an AI mode button inside the search box
-     * that opens the Chat widget and sends the current query.
-     * Requires a Chat widget on the same index.
+     * Whether the AI mode pill is active. When `true` (the default), submitting
+     * the search box (e.g. pressing Enter) opens the Chat widget and sends the
+     * current query instead of running a search. Set to `false` to opt out.
+     * Requires a Chat widget on the same index to do anything when submitted.
      */
     aiMode?: boolean;
     translations?: Partial<UiProps['translations']>;
@@ -51,7 +52,7 @@ export function SearchBox({
   queryHook,
   searchAsYouType = true,
   ignoreCompositionEvents = false,
-  aiMode,
+  aiMode = true,
   translations,
   ...props
 }: SearchBoxProps) {
@@ -133,7 +134,7 @@ export function SearchBox({
     translations: {
       submitButtonTitle: 'Submit the search query',
       resetButtonTitle: 'Clear the search query',
-      aiModeButtonTitle: 'AI Mode',
+      aiModeButtonTitle: 'Ask AI',
       ...translations,
     },
   };