diff --git a/mobile/src/session/mobile-native-chat-ask.test.ts b/mobile/src/session/mobile-native-chat-ask.test.ts
index 54712e32c20..f3e2d89fcef 100644
--- a/mobile/src/session/mobile-native-chat-ask.test.ts
+++ b/mobile/src/session/mobile-native-chat-ask.test.ts
@@ -5,6 +5,7 @@ import {
   formatAskAnswer,
   parseAskFromStatus
 } from '../../../src/shared/native-chat-ask'
+import { buildGrokAskAnswerKeys } from '../../../src/shared/native-chat-grok-ask-answer'
 import type { NativeChatMessage } from '../../../src/shared/native-chat-types'
 
 function msg(blocks: NativeChatMessage['blocks'], id = 'm'): NativeChatMessage {
@@ -236,3 +237,60 @@ describe('buildAskAnswerKeys', () => {
     ])
   })
 })
+
+describe('buildGrokAskAnswerKeys', () => {
+  it('selects and submits a single-question single-select answer', () => {
+    const prompt = {
+      questions: [
+        { question: 'q', multiSelect: false, options: [{ label: 'Tabs' }, { label: 'Spaces' }] }
+      ]
+    }
+    expect(buildGrokAskAnswerKeys(prompt, [{ indices: [1] }])).toEqual([
+      { raw: '2' },
+      { raw: '\r' }
+    ])
+  })
+
+  it('moves between questions with Grok navigation before submitting', () => {
+    const prompt = {
+      questions: [
+        { question: 'q1', multiSelect: false, options: [{ label: 'A' }, { label: 'B' }] },
+        { question: 'q2', multiSelect: false, options: [{ label: 'C' }, { label: 'D' }] }
+      ]
+    }
+    expect(buildGrokAskAnswerKeys(prompt, [{ indices: [1] }, { indices: [0] }])).toEqual([
+      { raw: '2' },
+      { raw: 'l' },
+      { raw: '1' },
+      { raw: '\r' }
+    ])
+  })
+
+  it('picks every Grok multi-select option before submitting', () => {
+    const prompt = {
+      questions: [
+        {
+          question: 'q',
+          multiSelect: true,
+          options: [{ label: 'A' }, { label: 'B' }, { label: 'C' }]
+        }
+      ]
+    }
+    expect(buildGrokAskAnswerKeys(prompt, [{ indices: [0, 2] }])).toEqual([
+      { raw: '1' },
+      { raw: '3' },
+      { raw: '\r' }
+    ])
+  })
+
+  it('opens Grok free text with z before typing and submitting', () => {
+    const prompt = {
+      questions: [{ question: 'q', multiSelect: false, options: [{ label: 'A' }] }]
+    }
+    expect(buildGrokAskAnswerKeys(prompt, [{ indices: [], other: 'custom' }])).toEqual([
+      { raw: 'z' },
+      { text: 'custom' },
+      { raw: '\r' }
+    ])
+  })
+})
diff --git a/mobile/src/session/use-mobile-native-chat-answer-send.test.ts b/mobile/src/session/use-mobile-native-chat-answer-send.test.ts
index 927a0a722ee..7dc3aa2d478 100644
--- a/mobile/src/session/use-mobile-native-chat-answer-send.test.ts
+++ b/mobile/src/session/use-mobile-native-chat-answer-send.test.ts
@@ -256,13 +256,21 @@ describe('useMobileNativeChatAnswerSend', () => {
     ])
   })
 
-  it('answers Grok selector prompts with the option number', async () => {
+  it('answers Grok selector prompts with its pick and submit keys', async () => {
     const sendRequest = vi.fn().mockResolvedValue(acceptedResponse())
     await mount({ sendRequest } as unknown as RpcClient, vi.fn(), 'grok')
 
-    await expect(answerSend?.answerAsk(TABS_OR_SPACES, [{ indices: [1] }])).resolves.toBe(true)
-    expect(sendRequest).toHaveBeenCalledTimes(1)
-    expect(sendRequest.mock.calls[0]?.[1]).toMatchObject({ text: '2', enter: false })
+    let result: Promise<boolean> | undefined
+    await act(async () => {
+      result = answerSend?.answerAsk(TABS_OR_SPACES, [{ indices: [1] }])
+    })
+    await act(async () => vi.runAllTimersAsync())
+
+    await expect(result).resolves.toBe(true)
+    expect(sendRequest.mock.calls.map((call) => call[1])).toEqual([
+      expect.objectContaining({ text: '2', enter: false }),
+      expect.objectContaining({ text: '\r', enter: false })
+    ])
   })
 
   it('keeps the marker for a Grok selector answer', async () => {
@@ -270,9 +278,17 @@ describe('useMobileNativeChatAnswerSend', () => {
     await mount({ sendRequest } as unknown as RpcClient, vi.fn(), 'grok')
     markMobileNativeChatInputStale('terminal')
 
-    await expect(answerSend?.answerAsk(TABS_OR_SPACES, [{ indices: [1] }])).resolves.toBe(true)
-    expect(sendRequest).toHaveBeenCalledTimes(1)
-    expect(sendRequest.mock.calls[0]?.[1]).toMatchObject({ text: '2', enter: false })
+    let result: Promise<boolean> | undefined
+    await act(async () => {
+      result = answerSend?.answerAsk(TABS_OR_SPACES, [{ indices: [1] }])
+    })
+    await act(async () => vi.runAllTimersAsync())
+
+    await expect(result).resolves.toBe(true)
+    expect(sendRequest.mock.calls.map((call) => call[1])).toEqual([
+      expect.objectContaining({ text: '2', enter: false }),
+      expect.objectContaining({ text: '\r', enter: false })
+    ])
     expect(isMobileNativeChatInputStale('terminal')).toBe(true)
   })
 
@@ -731,7 +747,7 @@ describe('useMobileNativeChatAnswerSend', () => {
           settle.push(resolve)
         })
     )
-    await mount({ sendRequest } as unknown as RpcClient, onSendError, 'grok')
+    await mount({ sendRequest } as unknown as RpcClient, onSendError, 'omp')
 
     let first: Promise<boolean> | undefined
     let second: Promise<boolean> | undefined
@@ -739,6 +755,7 @@ describe('useMobileNativeChatAnswerSend', () => {
       first = acceptedAnswerAsk?.(TABS_OR_SPACES, [{ indices: [0] }])
       await Promise.resolve()
     })
+    expect(sendRequest.mock.calls[0]?.[1]).toMatchObject({ text: 'Tabs', enter: true })
     await act(async () => {
       second = acceptedAnswerAsk?.(TABS_OR_SPACES, [{ indices: [1] }])
       await Promise.resolve()
@@ -797,13 +814,14 @@ describe('useMobileNativeChatAnswerSend', () => {
           settle.push(resolve)
         })
     )
-    await mount({ sendRequest } as unknown as RpcClient, onSendError, 'grok')
+    await mount({ sendRequest } as unknown as RpcClient, onSendError, 'omp')
 
     let first: Promise<boolean> | undefined
     await act(async () => {
       first = acceptedAnswerAsk?.(TABS_OR_SPACES, [{ indices: [1] }])
       await Promise.resolve()
     })
+    expect(sendRequest.mock.calls[0]?.[1]).toMatchObject({ text: 'Spaces', enter: true })
     await act(async () => {
       answerSend?.cancelPending()
       settle[0]!(acceptedResponse())
diff --git a/mobile/src/session/use-mobile-native-chat-answer-send.ts b/mobile/src/session/use-mobile-native-chat-answer-send.ts
index 1792b1ac930..e725c276302 100644
--- a/mobile/src/session/use-mobile-native-chat-answer-send.ts
+++ b/mobile/src/session/use-mobile-native-chat-answer-send.ts
@@ -7,6 +7,7 @@ import {
   type AskAnswerSelection,
   type AskPrompt
 } from '../../../src/shared/native-chat-ask'
+import { buildGrokAskAnswerKeys } from '../../../src/shared/native-chat-grok-ask-answer'
 import type { RpcClient } from '../transport/rpc-client'
 import { MOBILE_NATIVE_CHAT_QUESTION_STEP_MS } from './mobile-native-chat-answer-stepping'
 import {
@@ -258,10 +259,13 @@ export function useMobileNativeChatAnswerSend(args: {
           const sent = (await sendTerminal(formatAskAnswer(prompt, selections), true)) || fail()
           return sent && writeTurnsRef.current.get(handle) === turn
         }
+        const transcriptAgent = resolveNativeChatTranscriptAgent(agentRef.current)
         const groups =
-          resolveNativeChatTranscriptAgent(agentRef.current) === 'codex'
+          transcriptAgent === 'codex'
             ? buildCodexAskAnswerKeys(prompt, selections)
-            : buildAskAnswerKeys(prompt, selections)
+            : transcriptAgent === 'grok'
+              ? buildGrokAskAnswerKeys(prompt, selections)
+              : buildAskAnswerKeys(prompt, selections)
         for (let index = 0; index < groups.length; index += 1) {
           if (generationRef.current !== generation) {
             return false
diff --git a/src/renderer/src/components/native-chat/native-chat-interactive-prompt.ts b/src/renderer/src/components/native-chat/native-chat-interactive-prompt.ts
index 1590f55e7cc..4ca46af89c7 100644
--- a/src/renderer/src/components/native-chat/native-chat-interactive-prompt.ts
+++ b/src/renderer/src/components/native-chat/native-chat-interactive-prompt.ts
@@ -13,10 +13,12 @@ import {
   type AskQuestion,
   type InteractiveQuestionParser
 } from '../../../../shared/native-chat-ask'
+import { buildGrokAskAnswerKeys } from '../../../../shared/native-chat-grok-ask-answer'
 
 export {
   buildAskAnswerKeys,
   buildCodexAskAnswerKeys,
+  buildGrokAskAnswerKeys,
   formatAskAnswer,
   hasAskAnswer,
   parseAskFromStatus,
diff --git a/src/renderer/src/components/native-chat/use-native-chat-interactive-send.test.tsx b/src/renderer/src/components/native-chat/use-native-chat-interactive-send.test.tsx
index 864c62f6f91..df6b6974db9 100644
--- a/src/renderer/src/components/native-chat/use-native-chat-interactive-send.test.tsx
+++ b/src/renderer/src/components/native-chat/use-native-chat-interactive-send.test.tsx
@@ -66,12 +66,12 @@ describe('useNativeChatInteractiveSend', () => {
 
   it('routes a non-selector answer through the pasted-text send path', () => {
     const { result } = renderHook(() =>
-      useNativeChatInteractiveSend('tab-1', PANE_KEY, 'pty-1', 'grok')
+      useNativeChatInteractiveSend('tab-1', PANE_KEY, 'pty-1', 'omp')
     )
 
     act(() => result.current.sendAnswer(PROMPT, [{ indices: [1] }]))
 
-    // Grok commits a pasted answer: label text 'B', not option-number keystrokes.
+    // OMP commits a pasted answer: label text 'B', not option-number keystrokes.
     expect(mocks.sendNativeChatMessage).toHaveBeenCalledWith(
       { terminalTabId: 'tab-1' },
       'pty-1',
@@ -80,6 +80,22 @@ describe('useNativeChatInteractiveSend', () => {
     expect(mocks.sendNativeChatAskAnswer).not.toHaveBeenCalled()
   })
 
+  it('routes a Grok answer through its question-card keystrokes', () => {
+    const { result } = renderHook(() =>
+      useNativeChatInteractiveSend('tab-1', PANE_KEY, 'pty-1', 'grok')
+    )
+
+    act(() => result.current.sendAnswer(PROMPT, [{ indices: [1] }]))
+
+    expect(mocks.sendNativeChatAskAnswer).toHaveBeenCalledWith(
+      { terminalTabId: 'tab-1' },
+      'pty-1',
+      [{ raw: '2' }, { raw: '\r' }],
+      expect.any(Function)
+    )
+    expect(mocks.sendNativeChatMessage).not.toHaveBeenCalled()
+  })
+
   it('routes a Codex answer through the option-number keystroke path', () => {
     const { result } = renderHook(() =>
       useNativeChatInteractiveSend('tab-1', PANE_KEY, 'pty-1', 'codex')
diff --git a/src/renderer/src/components/native-chat/use-native-chat-interactive-send.ts b/src/renderer/src/components/native-chat/use-native-chat-interactive-send.ts
index cec3be66c8a..c2942a979c7 100644
--- a/src/renderer/src/components/native-chat/use-native-chat-interactive-send.ts
+++ b/src/renderer/src/components/native-chat/use-native-chat-interactive-send.ts
@@ -10,6 +10,7 @@ import {
 import {
   buildAskAnswerKeys,
   buildCodexAskAnswerKeys,
+  buildGrokAskAnswerKeys,
   formatAskAnswer,
   hasAskAnswer,
   type AskAnswerSelection,
@@ -96,7 +97,7 @@ export function useNativeChatInteractiveSend(
       // Claude, Codex, and Grok ignore pasted labels but have different selector
       // state machines. OpenClaude follows Claude's path.
       const stepsAnswer = shouldStepNativeChatAskAnswer(agent)
-      const buildsCodexAnswer = resolveNativeChatTranscriptAgent(agent) === 'codex'
+      const transcriptAgent = resolveNativeChatTranscriptAgent(agent)
       // Why: pin the answered question's baseline BEFORE delivery. A late settle
       // callback (paced writes + remote acceptance can span seconds on SSH) must
       // not read the live status and mint a fresh baseline for a replacement
@@ -132,9 +133,11 @@ export function useNativeChatInteractiveSend(
         ? sendNativeChatAskAnswer(
             settings,
             targetPtyId,
-            buildsCodexAnswer
+            transcriptAgent === 'codex'
               ? buildCodexAskAnswerKeys(prompt, selections)
-              : buildAskAnswerKeys(prompt, selections),
+              : transcriptAgent === 'grok'
+                ? buildGrokAskAnswerKeys(prompt, selections)
+                : buildAskAnswerKeys(prompt, selections),
             onSettled
           )
         : sendNativeChatMessage(settings, targetPtyId, formatAskAnswer(prompt, selections))
diff --git a/src/renderer/src/components/terminal-pane/agent-question-answered-inference.test.ts b/src/renderer/src/components/terminal-pane/agent-question-answered-inference.test.ts
index 1460ef5b5e6..017ca511ca6 100644
--- a/src/renderer/src/components/terminal-pane/agent-question-answered-inference.test.ts
+++ b/src/renderer/src/components/terminal-pane/agent-question-answered-inference.test.ts
@@ -1,5 +1,6 @@
 import { describe, expect, it, vi } from 'vitest'
 import type { AgentStatusEntry } from '../../../../shared/agent-status-types'
+import { isQuestionAnsweredSubmitInput } from '../../../../shared/agent-question-answered-intent'
 import { createAgentQuestionAnsweredInference } from './agent-question-answered-inference'
 
 const PANE_KEY = 'tab-1:11111111-1111-4111-8111-111111111111'
@@ -99,6 +100,19 @@ describe('agent question-answered inference', () => {
     }
   })
 
+  it('keeps waiting when a Grok multi_select digit only picks a partial answer', () => {
+    const interactivePrompt = JSON.stringify({
+      questions: [
+        {
+          question: 'pick several',
+          multi_select: true,
+          options: [{ label: 'A' }, { label: 'B' }]
+        }
+      ]
+    })
+    expect(isQuestionAnsweredSubmitInput('1', interactivePrompt)).toBe(false)
+  })
+
   it('keeps waiting when the synthetic free-text row is selected', () => {
     const { inference, inferQuestionAnswered } = makeInference(makeWaitingQuestionEntry())
 
diff --git a/src/shared/agent-question-answered-intent.ts b/src/shared/agent-question-answered-intent.ts
index 97ac36f5cfd..c069e74769b 100644
--- a/src/shared/agent-question-answered-intent.ts
+++ b/src/shared/agent-question-answered-intent.ts
@@ -43,8 +43,17 @@ function readSingleSelectOptionCount(interactivePrompt: string | undefined): num
     if (!Array.isArray(parsed.questions) || parsed.questions.length !== 1) {
       return -1
     }
-    const [question] = parsed.questions as { multiSelect?: unknown; options?: unknown }[]
-    if (!question || question.multiSelect === true || !Array.isArray(question.options)) {
+    const [question] = parsed.questions as {
+      multiSelect?: unknown
+      multi_select?: unknown
+      options?: unknown
+    }[]
+    if (
+      !question ||
+      question.multiSelect === true ||
+      question.multi_select === true ||
+      !Array.isArray(question.options)
+    ) {
       return -1
     }
     return question.options.length
diff --git a/src/shared/native-chat-grok-ask-answer.ts b/src/shared/native-chat-grok-ask-answer.ts
new file mode 100644
index 00000000000..8ef8d354b4e
--- /dev/null
+++ b/src/shared/native-chat-grok-ask-answer.ts
@@ -0,0 +1,53 @@
+import type { AskAnswerKeyGroup, AskAnswerSelection, AskPrompt } from './native-chat-ask'
+
+const GROK_ENTER = '\r'
+const GROK_NEXT_QUESTION = 'l'
+const GROK_FREE_TEXT = 'z'
+
+function optionKey(index: number): string | null {
+  if (index >= 0 && index < 9) {
+    return String(index + 1)
+  }
+  if (index >= 9 && index < 15) {
+    return String.fromCharCode('a'.charCodeAt(0) + index - 9)
+  }
+  return null
+}
+
+/** Grok picks options by shortcut, moves questions with `l`, and opens free text with `z`. */
+export function buildGrokAskAnswerKeys(
+  prompt: AskPrompt,
+  selections: AskAnswerSelection[]
+): AskAnswerKeyGroup[] {
+  const groups: AskAnswerKeyGroup[] = []
+
+  prompt.questions.forEach((question, questionIndex) => {
+    const selection = selections[questionIndex]
+    const other = (selection?.other ?? '').trim()
+    const selectedIndices = question.multiSelect
+      ? (selection?.indices ?? [])
+      : (selection?.indices.slice(0, 1) ?? [])
+
+    if (!other || question.multiSelect) {
+      for (const index of selectedIndices) {
+        const key = optionKey(index)
+        if (key) {
+          groups.push({ raw: key })
+        }
+      }
+    }
+
+    if (other) {
+      const freeText = question.multiSelect
+        ? other
+        : [question.options[selectedIndices[0] ?? -1]?.label, other].filter(Boolean).join(', ')
+      groups.push({ raw: GROK_FREE_TEXT }, { text: freeText }, { raw: GROK_ENTER })
+    } else if (questionIndex < prompt.questions.length - 1) {
+      groups.push({ raw: GROK_NEXT_QUESTION })
+    } else if (selectedIndices.length > 0) {
+      groups.push({ raw: GROK_ENTER })
+    }
+  })
+
+  return groups
+}