diff --git a/.github/workflows/ai-review.yml b/.github/workflows/ai-review.yml
index f05531518..a9e7b1629 100644
--- a/.github/workflows/ai-review.yml
+++ b/.github/workflows/ai-review.yml
@@ -2,14 +2,18 @@
 #
 # Triggers:
 # - Automatically on PR open/ready_for_review
-# - On-demand via PR comments: /kimi, /codex, /claude (requires write access)
+# - On-demand via PR comments (requires write access):
+#   /review for every reviewer below, or /kimi, /codex, /claude, /deepseek, /gemini, /grok for one
 #
-# Custom prompt: .github/prompts/ai-review.md
+# Custom prompt: .github/prompts/ai-review.md (read from the PR's base branch)
 #
-# Required secrets:
-# - KIMI_API_KEY: For Kimi reviews (https://platform.moonshot.ai/)
+# Required secrets (a reviewer whose secret is missing comments and fails its check):
+# - KIMI_API_KEY: For Kimi reviews (https://platform.kimi.ai/)
 # - OPENAI_API_KEY: For Codex reviews (https://platform.openai.com/)
 # - ANTHROPIC_API_KEY: For Claude reviews (https://console.anthropic.com/)
+# - DEEPSEEK_API_KEY: For DeepSeek reviews (https://platform.deepseek.com/)
+# - GEMINI_API_KEY: For Gemini reviews (https://aistudio.google.com/apikey)
+# - XAI_API_KEY: For Grok reviews (https://console.x.ai/)
 
 name: AI Code Review
 
@@ -19,21 +23,61 @@ on:
   issue_comment:
     types: [created]
 
+permissions:
+  contents: read
+  pull-requests: write
+
 jobs:
   kimi-review:
-    if: github.event_name == 'issue_comment' || github.event.pull_request.draft == false
-    uses: lambdaclass/actions/.github/workflows/ai-review-kimi.yml@212745563f1482299f563a3eb97909953df2a201 # v1
+    if: >
+      (github.event_name == 'pull_request' && github.event.pull_request.draft == false) ||
+      (github.event_name == 'issue_comment' &&
+      (startsWith(github.event.comment.body, '/kimi') || startsWith(github.event.comment.body, '/review')))
+    uses: lambdaclass/actions/.github/workflows/ai-review-kimi.yml@ad22254d36dc2038b846f82045d6b9d9fd7605aa # v1
     secrets:
       KIMI_API_KEY: ${{ secrets.KIMI_API_KEY }}
 
   codex-review:
-    if: github.event_name == 'issue_comment' || github.event.pull_request.draft == false
-    uses: lambdaclass/actions/.github/workflows/ai-review-codex.yml@212745563f1482299f563a3eb97909953df2a201 # v1
+    if: >
+      (github.event_name == 'pull_request' && github.event.pull_request.draft == false) ||
+      (github.event_name == 'issue_comment' &&
+      (startsWith(github.event.comment.body, '/codex') || startsWith(github.event.comment.body, '/review')))
+    uses: lambdaclass/actions/.github/workflows/ai-review-codex.yml@ad22254d36dc2038b846f82045d6b9d9fd7605aa # v1
     secrets:
       OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
 
   claude-review:
-    if: github.event_name == 'issue_comment' || github.event.pull_request.draft == false
-    uses: lambdaclass/actions/.github/workflows/ai-review-claude.yml@212745563f1482299f563a3eb97909953df2a201 # v1
+    if: >
+      (github.event_name == 'pull_request' && github.event.pull_request.draft == false) ||
+      (github.event_name == 'issue_comment' &&
+      (startsWith(github.event.comment.body, '/claude') || startsWith(github.event.comment.body, '/review')))
+    uses: lambdaclass/actions/.github/workflows/ai-review-claude.yml@ad22254d36dc2038b846f82045d6b9d9fd7605aa # v1
     secrets:
       ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+
+  deepseek-review:
+    if: >
+      (github.event_name == 'pull_request' && github.event.pull_request.draft == false) ||
+      (github.event_name == 'issue_comment' &&
+      (startsWith(github.event.comment.body, '/deepseek') || startsWith(github.event.comment.body, '/review')))
+    uses: lambdaclass/actions/.github/workflows/ai-review-deepseek.yml@ad22254d36dc2038b846f82045d6b9d9fd7605aa # v1
+    secrets:
+      DEEPSEEK_API_KEY: ${{ secrets.DEEPSEEK_API_KEY }}
+
+  gemini-review:
+    if: >
+      (github.event_name == 'pull_request' && github.event.pull_request.draft == false) ||
+      (github.event_name == 'issue_comment' &&
+      (startsWith(github.event.comment.body, '/gemini') || startsWith(github.event.comment.body, '/review')))
+    uses: lambdaclass/actions/.github/workflows/ai-review-gemini.yml@ad22254d36dc2038b846f82045d6b9d9fd7605aa # v1
+    secrets:
+      GEMINI_API_KEY: ${{ secrets.GEMINI_API_KEY }}
+
+  grok-review:
+    if: >
+      (github.event_name == 'pull_request' && github.event.pull_request.draft == false) ||
+      (github.event_name == 'issue_comment' &&
+      (startsWith(github.event.comment.body, '/grok') || startsWith(github.event.comment.body, '/review')))
+    uses: lambdaclass/actions/.github/workflows/ai-review-grok.yml@ad22254d36dc2038b846f82045d6b9d9fd7605aa # v1
+    secrets:
+      XAI_API_KEY: ${{ secrets.XAI_API_KEY }}