ChatGPT's web-search citations match Bing's top results 87% of the time. If you're optimising for AI visibility but ignoring Bing, you're missing the most direct lever in the stack. Here's why and what to do about it.
As [AI-powered search](/blog/ai-search-101-2025) becomes more central to discovery, content visibility isn't just about Google any more. One name keeps cropping up in recent research as a primary lever for being cited in AI answers. It isn't the one most brands invest in.
It's Bing.
Not as a secondary search engine. As a primary lever for being cited in [ChatGPT](/blog/chatgpt-already-real-search-engine-brand-2025), Copilot, Perplexity and similar tools. If your AI visibility playbook doesn't include Bing, you're optimising for half the surface.
This is the case for fixing that, with the data, the mechanism and what to actually do.
## What the research shows
**ChatGPT's citations almost always match Bing's top results.** A study by Seer Interactive found that **over 87% of SearchGPT citations match Bing's top organic results** for the same queries. Comparatively, those same queries had only about a 56% match with Google's top results.
Read that again. If you rank well in Google but not in Bing's top spots, you may be largely invisible to SearchGPT's citation logic. The brand that wins the Google blue link can still lose the AI citation, because the citation engine isn't looking at Google.
**Indexing speed in Bing modulates AI visibility.** OrganicLabs' meta-analysis found "rapid indexing and Bing optimisation" had a moderate correlation (~0.42) with visibility in AI search outputs. If Bing doesn't index your content quickly, AI systems that pull from Bing won't see it. Time-to-index in Bing has become a meaningful AI visibility metric.
This is where IndexNow matters. Bing's IndexNow protocol lets your CMS push new and updated content directly to Bing's index, dramatically reducing the lag between publishing and eligibility for citation. If you're not pinging IndexNow on every publish, you're sitting in a queue. Brands that ping IndexNow are first in.
**Bing's ranking factors are de facto AI visibility factors.** Because SearchGPT (and several other ChatGPT browsing modes) use Bing's index when doing web-search-backed responses, anything that helps you rank well in Bing helps you get cited. That includes:
- Structured content (schema markup, FAQ blocks, clear headings)
- Well-organised, authoritative content with deep coverage
- Clean site health, fast crawl, healthy indexing
- Brand presence, mentions and entity authority signals
- Freshness - especially for topics that evolve quickly (which is most consumer categories now)
## Why this matters
Three concrete consequences for consumer brands.
**Citation and exposure.** Being cited in ChatGPT responses means exposure to users who often prefer conversational AI search over traditional search - and who, by the time they click, are pre-qualified high-intent visitors. The traffic that does come through converts at materially higher rates than Google organic.
**Trust transfer.** Citations carry credibility. Some users follow the references; others use them as a trust marker for the brand. Being cited even when the user doesn't click still moves the brand-association signal in your favour.
**Competitive positioning.** Most publishers are still focused heavily on Google. Optimising with Bing in mind gives you a real differentiator in a market where AI visibility budgets are still being figured out.
## A warning: this is not static
The AI search landscape is evolving fast. Some recent analyses show ChatGPT and related models gradually increasing alignment with Google's index over time, especially for certain query types. The Bing-correlation we're describing is the dominant pattern today, not a permanent law.
A few specific caveats worth being honest about.
**Not every ChatGPT query triggers web search.** When the answer is drawn from training data alone, Bing's ranking won't help. The Bing dependence is strongest when ChatGPT is in browsing or web-search mode, which is more common in product-recommendation contexts than in pure factual lookups.
**Quality still matters.** Content that is misleading, low-credibility, or poorly sourced may be penalised or simply omitted. It's not enough to "game" Bing - trust, clarity and structure still matter. Models combine ranking signals with their own evaluation of source quality.
**The competitive picture is shifting.** As OpenAI's commercial relationships evolve, the underlying citation logic may shift too. Treat Bing-as-AI-lever as a 12–24 month operating model, not a permanent feature.
## What to actually do
Five concrete moves to start treating Bing as an AI visibility lever.
**1. Verify your Bing Webmaster Tools set-up.** Connect the property. Submit your sitemap. Check the Index Coverage and Crawl Information reports. Most consumer brands have signed up but never returned to the dashboard. The dashboard is the diagnostic.
**2. Implement IndexNow.** Your CMS or framework probably has a plugin or first-class integration. Cloudflare, Vercel, Netlify and Shopify all offer it. Once configured, every publish or update pings Bing immediately. Cuts your time-to-citation from weeks to hours for new content.
**3. Audit Bing-specific ranking.** Run your top 30 commercial queries in Bing (not Google). Note where you appear. Where you're absent or buried, that's a direct citation gap in ChatGPT.
**4. Strengthen the ranking factors Bing weights more heavily than Google.** Bing tends to favour clean structured content, explicit topical authority, social signals and freshness more than backlink quantity. Lean into the structured-content side of the work - it doubles as [GEO](/blog/geo-seo-aeo-consumer-brands-where-focus-budget-2026) work.
**5. Track citation rate alongside ranking.** Use a [Share of Model dashboard](/blog/metrics-to-retire-what-track-instead-2026) that tracks not just whether you rank in Bing but whether you appear in ChatGPT-cited answers for the same queries. The two move together - but not perfectly. The gap between them is your AI-specific optimisation opportunity.
## Bottom line
Bing has emerged from the shadows of traditional SEO to become a cornerstone of AI search visibility in tools like ChatGPT.
For brands that want to show up in AI-powered answers, optimising for Bing isn't optional any more. It's foundational.
If you want to know where you stand on Bing, on ChatGPT citation rate and on the gap between them - [Lmo7 runs the audit weekly](/contact).
That is the lever.
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*Sources: [Seer Interactive - SearchGPT vs Google citation overlap](https://www.seerinteractive.com/insights/case-study-6-learnings-about-how-traffic-from-chatgpt-converts); [OrganicLabs - Optimizing for AI search engines](https://organiclabs.ai/blog/llm-search-meta-analysis).*