Does Blocking ChatGPT Crawlers Affect Bing Rankings? (No, Here’s Why)

By UpGeo · 2026-07-17

No. Blocking ChatGPT’s crawlers—GPTBot, ChatGPT-User, OAI-SearchBot—has no direct impact on your Bing search rankings. Bing’s ranking algorithm depends entirely on its own crawler, Bingbot, to find and evaluate pages. ChatGPT’s crawlers might fetch live information or build training corpora, but those activities sit completely outside Bing’s index and ranking system. Blocking them won’t tank your Bing positions, and allowing them won’t give you a lift. That said, there are indirect GEO and visibility angles that forward‑looking SEOs should keep in mind.

Understanding the Two Types of Crawlers

There are two distinct types of crawlers, each with its own job:

• Search crawlers (like Bingbot, Googlebot) index pages to build the organic search index. Their crawling directly decides whether and how your pages appear in standard search results.
• AI / LLM crawlers (like GPTBot, ChatGPT-User, OAI-SearchBot) grab content to power language models, generate responses, or support live browsing inside AI chat interfaces. They never feed a public web search index, and they don’t influence the ranking algorithms of engines like Bing.

People mix these up, which is where the “will blocking AI bots hurt my rankings?” worry comes from. When you block a ChatGPT crawler via robots.txt, you’re only stopping that one crawler from reading your page—not Bingbot.

Which ChatGPT Crawlers Exist and What They Do

OpenAI operates several user agents, each with a specific purpose. None of them are used by Bing for ranking.

For a full, always‑updated list of AI crawlers and their user‑agent identifiers, check out this AI crawlers directory. I’ve included Bingbot in the table just to highlight the difference—it’s the only one that matters for Bing rankings.

Why Blocking ChatGPT Won’t Hurt Bing Rankings – Directly

Bing’s ranking system runs on data collected by Bingbot, period. Bingbot follows its own robots.txt rules, completely independent of whatever you set for GPTBot or OAI-SearchBot. Microsoft has confirmed multiple times that Bingbot’s crawling, indexing, and ranking signals are not influenced by whether you block non‑Microsoft bots.

Even Microsoft’s own AI features—Copilot and Bing Chat—pull from the Bing search index behind the scenes. If Bingbot has indexed your page, it can show up in Copilot results regardless of how you treat ChatGPT crawlers. Blocking GPTBot or OAI-SearchBot simply opts you out of OpenAI’s ecosystem; you’re not removing anything from Bing’s index or changing the signals Bing uses to rank you.

Indirect Effects You Should Consider

There’s no direct ranking penalty, but blocking ChatGPT crawlers can create ripple effects that might influence your brand’s search visibility over time:

• Lost AI‑driven referral traffic: Block OAI-SearchBot, and ChatGPT can’t surface your content as a live search result. Users who might have clicked through from a chat session never arrive. That’s lost organic traffic that could have increased brand exposure and demand.
• Reduced brand authority in AI answers: When ChatGPT cites your page, it reinforces your brand as a trustworthy source. Block the crawlers, and those citations vanish, potentially weakening your perceived authority in spaces where users increasingly lean on AI assistants. This is a core focus of Generative Engine Optimization (GEO).
• Indirect search demand signals: A brand frequently cited in AI chats may see a lift in name‑based searches on traditional engines (people looking you up after seeing your brand). Block AI crawlers, and you throttle that sideways demand growth—though Bing doesn’t algorithmically treat those brand searches as a direct ranking signal.
• Data feedback loops: Some experts speculate that large‑scale LLM training on your content could indirectly shape future search algorithms that incorporate AI models, but this isn’t a confirmed factor for today’s Bing ranking. Think of it as a long‑tail consideration, not an immediate ranking lever.

How to Safely Manage AI Crawler Access

You can set up robots.txt to leave Bingbot wide open while tightly controlling which AI crawlers get in.

Step 1: Verify Bingbot Is Allowed

Give Bingbot its own explicit allowance. That way, even if you add broad disallow rules later, Bingbot stays clear:

User-agent: bingbot
Allow: /

Step 2: Decide Which ChatGPT Crawlers You Want to Block

Here’s an example that blocks all three OpenAI crawlers while keeping Bingbot fully open:

User-agent: GPTBot
Disallow: /

User-agent: ChatGPT-User
Disallow: /

User-agent: OAI-SearchBot
Disallow: /

If you later want to appear in ChatGPT’s live browsing or search features, just remove or adjust the relevant rules. This selective approach gives you full control without ever touching Bingbot.

Step 3: Consider an llms.txt File Instead of a Full Block

Blocking everything is blunt. A smarter move is an llms.txt file—a machine‑readable guide that tells large language models exactly what they’re allowed to scan and how to interpret your content. You protect sensitive or low‑value sections while letting AI platforms reference your most important pages. To learn how to structure one, read our llms.txt guide. Or generate one instantly with the free llms.txt generator.

What Technical SEOs Should Know

• Blocking GPTBot, ChatGPT-User, or OAI-SearchBot won’t directly affect Bing’s crawling, indexing, or ranking.
• Bingbot is the only crawler that decides your Bing rankings. Never block it.
• Blocking AI crawlers means you miss generative‑engine citations and the extra brand visibility they bring.
• Use robots.txt to segment access; consider an llms.txt file to guide AI crawlers intelligently instead of a blanket block.

Bottom line: You get zero algorithmic penalty in Bing for blocking ChatGPT crawlers. The real cost is a missed opportunity as AI‑powered discovery explodes.