diff --git a/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx b/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx
index fce9917c2e7..c45a4630c92 100644
--- a/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx
+++ b/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx
@@ -64,6 +64,11 @@ export function Prompt(props: PromptProps) {
   const renderer = useRenderer()
   const { theme, syntax } = useTheme()
 
+  const cursorStyle = createMemo(() => ({
+    style: "block" as const,
+    blinking: sync.data.config.tui?.cursor_blinking ?? true,
+  }))
+
   function promptModelWarning() {
     toast.show({
       variant: "warning",
@@ -271,6 +276,7 @@ export function Prompt(props: PromptProps) {
   createEffect(() => {
     if (props.disabled) input.cursorColor = theme.backgroundElement
     if (!props.disabled) input.cursorColor = theme.text
+    input.cursorStyle = cursorStyle()
   })
 
   const [store, setStore] = createStore<{
@@ -794,11 +800,13 @@ export function Prompt(props: PromptProps) {
                 input = r
                 setTimeout(() => {
                   input.cursorColor = theme.text
+                  input.cursorStyle = cursorStyle()
                 }, 0)
               }}
               onMouseDown={(r: MouseEvent) => r.target?.focus()}
               focusedBackgroundColor={theme.backgroundElement}
               cursorColor={theme.text}
+              cursorStyle={cursorStyle()}
               syntaxStyle={syntax()}
             />
             <box flexDirection="row" flexShrink={0} paddingTop={1} gap={1}>
diff --git a/packages/opencode/src/cli/cmd/tui/ui/dialog-prompt.tsx b/packages/opencode/src/cli/cmd/tui/ui/dialog-prompt.tsx
index 4b4c635a529..cd7098700e0 100644
--- a/packages/opencode/src/cli/cmd/tui/ui/dialog-prompt.tsx
+++ b/packages/opencode/src/cli/cmd/tui/ui/dialog-prompt.tsx
@@ -1,7 +1,8 @@
 import { TextareaRenderable, TextAttributes } from "@opentui/core"
 import { useTheme } from "../context/theme"
 import { useDialog, type DialogContext } from "./dialog"
-import { onMount, type JSX } from "solid-js"
+import { useSync } from "../context/sync"
+import { createMemo, onMount, type JSX } from "solid-js"
 import { useKeyboard } from "@opentui/solid"
 
 export type DialogPromptProps = {
@@ -16,8 +17,14 @@ export type DialogPromptProps = {
 export function DialogPrompt(props: DialogPromptProps) {
   const dialog = useDialog()
   const { theme } = useTheme()
+  const sync = useSync()
   let textarea: TextareaRenderable
 
+  const cursorStyle = createMemo(() => ({
+    style: "block" as const,
+    blinking: sync.data.config.tui?.cursor_blinking ?? true,
+  }))
+
   useKeyboard((evt) => {
     if (evt.name === "return") {
       props.onConfirm?.(textarea.plainText)
@@ -52,6 +59,7 @@ export function DialogPrompt(props: DialogPromptProps) {
           textColor={theme.text}
           focusedTextColor={theme.text}
           cursorColor={theme.text}
+          cursorStyle={cursorStyle()}
         />
       </box>
       <box paddingBottom={1} gap={1} flexDirection="row">
diff --git a/packages/opencode/src/config/config.ts b/packages/opencode/src/config/config.ts
index 34e3eea7923..4275a784542 100644
--- a/packages/opencode/src/config/config.ts
+++ b/packages/opencode/src/config/config.ts
@@ -490,6 +490,7 @@ export namespace Config {
       .enum(["auto", "stacked"])
       .optional()
       .describe("Control diff rendering style: 'auto' adapts to terminal width, 'stacked' always shows single column"),
+    cursor_blinking: z.boolean().optional().describe("Enable or disable cursor blinking in the prompt input box"),
   })
 
   export const Layout = z.enum(["auto", "stretch"]).meta({
diff --git a/packages/opencode/test/config/config.test.ts b/packages/opencode/test/config/config.test.ts
index 2ff8c01cdb0..624464d44d9 100644
--- a/packages/opencode/test/config/config.test.ts
+++ b/packages/opencode/test/config/config.test.ts
@@ -501,3 +501,26 @@ test("deduplicates duplicate plugins from global and local configs", async () =>
     },
   })
 })
+
+test("handles TUI cursor blinking configuration", async () => {
+  await using tmp = await tmpdir({
+    init: async (dir) => {
+      await Bun.write(
+        path.join(dir, "opencode.json"),
+        JSON.stringify({
+          $schema: "https://opencode.ai/config.json",
+          tui: {
+            cursor_blinking: false,
+          },
+        }),
+      )
+    },
+  })
+  await Instance.provide({
+    directory: tmp.path,
+    fn: async () => {
+      const config = await Config.get()
+      expect(config.tui?.cursor_blinking).toBe(false)
+    },
+  })
+})
diff --git a/packages/sdk/js/src/v2/gen/types.gen.ts b/packages/sdk/js/src/v2/gen/types.gen.ts
index dade066c070..0fd5017f3f7 100644
--- a/packages/sdk/js/src/v2/gen/types.gen.ts
+++ b/packages/sdk/js/src/v2/gen/types.gen.ts
@@ -1214,6 +1214,10 @@ export type Config = {
      * Control diff rendering style: 'auto' adapts to terminal width, 'stacked' always shows single column
      */
     diff_style?: "auto" | "stacked"
+    /**
+     * Enable or disable cursor blinking in the prompt input box
+     */
+    cursor_blinking?: boolean
   }
   /**
    * Command configuration, see https://opencode.ai/docs/commands