ChatGPT Ads vs Microsoft Advertising: Bing, Copilot and Two Different Bets

Both OpenAI and Microsoft now sell ads next to AI-generated answers. ChatGPT ads appear below ChatGPT's responses. Microsoft Advertising places ads on Bing search results, in Copilot experiences and across the Microsoft ecosystem. For a consumer brand looking to reach people who are actively asking questions, both sound relevant.

They are not the same channel. The audiences differ. The ad formats differ. The targeting differs. The intent moment differs. This comparison covers how ChatGPT ads and Microsoft Advertising actually work, who they reach, what the ads look like, how targeting and cost compare, and how to decide where to put your first test budget.

What each channel is

ChatGPT ads are sponsored placements that appear below ChatGPT's answer in a conversation. They show to logged-in adults on the Free and Go tiers (paid ChatGPT plans do not see ads). The format is a chat card: a headline of 3 to 50 characters, a body of about 100 characters, an image and a URL. Targeting uses context hints (plain-language descriptions of situations) and memory signals. Self-serve Ads Manager opened to US advertisers in May 2026.

Microsoft Advertising is a broader platform. It includes:

• Bing search ads: Text ads on Bing search results, similar to Google Ads.
• Microsoft Audience Network: Native and display ads across MSN, Outlook, Edge and partner sites.
• Shopping ads: Product listings on Bing Shopping.
• Copilot placements: Ads appearing in Microsoft Copilot experiences, including Bing Chat and Copilot in Windows and Edge.

Microsoft Advertising has been around for over a decade. Copilot-specific ad placements are newer, but they are part of the same platform as Bing ads. You can buy them together.

This comparison focuses on the most relevant overlap: ChatGPT ads versus the combination of Bing search and Copilot ads within Microsoft Advertising.

Audience: who you can reach

ChatGPT is reported at around 900 million weekly users. Ads reach those on the Free and Go tiers, which excludes Plus, Pro, Team, Enterprise and Edu users. The audience skews toward consumers asking personal questions: shopping, advice, research, creative help.

Bing has a smaller search share than Google (commonly estimated around 3% to 8% globally, higher in the US and for certain demographics). Bing users tend to skew slightly older and include many Windows default users. Copilot, integrated into Bing, Edge and Windows, adds reach to people who interact with Microsoft's AI assistant.

Key differences:

• ChatGPT's audience is self-selected: people who opened the ChatGPT app or website. They are there for conversation.
• Bing's audience includes default searchers who may not have chosen Bing specifically. Copilot users are more intentional but still within the Microsoft ecosystem.
• ChatGPT excludes paid subscribers who pay to avoid ads. Bing ads show to everyone.

For B2B, Microsoft Advertising has an edge because professional users often have Microsoft accounts and Copilot integrated into work tools. For consumer brands, ChatGPT's larger engaged audience may be more relevant. See who sees ChatGPT ads for more on audience.

Intent: what the person is doing

ChatGPT intent is conversational. People describe situations, ask for advice, compare options and iterate. "I need a gift for my dad who golfs, under $75, something he would not buy himself" is typical. The conversation may continue with follow-up questions. The ad appears in the context of that ongoing dialogue.

Bing search intent is query-based. People type a few words expecting results. "Golf gifts under $75" is short and direct. The ad appears on a results page alongside organic listings. Copilot blends these: someone may ask Bing a conversational question and see both an AI answer and traditional ads.

The practical difference:

• ChatGPT ads reach people in the middle of thinking out loud. The card needs to feel like an answer to their question.
• Bing search ads reach people who already framed their need as a query. The ad needs to match the keywords.
• Copilot sits between: the query may be conversational, but the results page still looks like search.

Both are high-intent compared to social feeds. Neither is passive scrolling. But the creative approach differs. For adjacent comparisons, see ChatGPT ads vs Google ads and ChatGPT ads vs Perplexity ads.

Ad formats

ChatGPT chat card:

• Headline: 3 to 50 characters
• Body: about 100 characters
• One image
• Landing URL
• Labeled "Sponsored"

The format is compact. No video, no carousel (though product feed campaigns can show multiple products). Every word matters. The card must answer the question, not just advertise.

Bing search ads:

• Multiple headlines (up to 15 characters each, several used)
• Description lines (up to 90 characters each)
• Display URL and sitelinks
• Extensions (callouts, structured snippets, images, etc.)

Bing search ads are text-heavy and look like Google search ads. If you already run Google Ads, you can import campaigns directly.

Copilot ads:

Copilot placements vary. Some are integrated into the AI response. Some appear as a rail beside the response. Formats are still evolving. Microsoft describes sponsored results as appearing in Copilot experiences across Bing, Edge and Windows.

Shopping ads:

Both platforms support product feeds. Bing Shopping uses the Microsoft Merchant Center. ChatGPT's product feed campaigns show dynamic product cards based on catalog data.

If you want to reuse Google campaigns with minimal work, Microsoft Advertising wins on format compatibility. If you want a fresh format designed for conversational AI, ChatGPT is the native choice.

Targeting

ChatGPT targeting uses context hints: short sentences describing the situation you want to reach. "Person looking for a gift for their dad who golfs, budget around $75" is a hint. ChatGPT matches by meaning, not keywords. Memory signals (what the person has discussed before) may also influence ad selection. See context hints explained.

Microsoft Advertising targeting includes:

• Keywords and match types (like Google)
• Audience segments (in-market, remarketing, custom, LinkedIn profile targeting for B2B)
• Demographics
• Device, location, time of day

If you come from Google Ads, Microsoft's targeting will feel familiar. You can import keyword lists directly.

The skills required differ:

• ChatGPT ads reward clear, situational writing. You describe people, not terms.
• Microsoft ads reward keyword research, negative keywords and audience layering.

For a hybrid approach, use your best-performing Microsoft keywords to inform ChatGPT context hints. A keyword like "golf gifts for dad" becomes a hint like "person looking for a golf-related gift for their dad."

Cost

ChatGPT ads have recommended starting bids that work out to roughly $3 to $5 per click. Minimum daily budget is about $25 per campaign in the US. CPMs often sit in the $25 to $45 range depending on competition and match quality.

Microsoft Advertising costs vary widely by keyword. Bing CPCs are often lower than Google for the same query because of lower competition. Some advertisers report 20% to 40% lower CPCs on Bing versus Google, though this depends heavily on niche. Copilot-specific placements may carry different pricing as adoption grows.

Cost comparison:

• For expensive categories where Google is prohibitive, Bing can be a bargain.
• For categories where ChatGPT reaches a unique audience (advice-seekers, gift-shoppers, research-heavy purchases), ChatGPT may justify higher CPCs through higher conversion rates.
• Neither is universally cheaper. Compare on cost per acquisition, not click price.

Use the CAC calculator to put both on the same footing.

Measurement

ChatGPT ads use the OpenAI pixel and Conversions API. Advanced matching was added in 2026. The stack is newer than Google or Meta but functional. Third-party integrations (Triple Whale, Hightouch, etc.) are emerging.

Microsoft Advertising uses the UET (Universal Event Tracking) tag, similar to a pixel. It integrates with Microsoft Clarity (heatmaps, session recordings) and supports offline conversion imports. The measurement stack is mature.

Both platforms will tend to claim credit for conversions. Use UTMs on every link and compare in your own analytics. Add both ChatGPT and Microsoft/Bing as options in your post-purchase survey. Watch blended MER to see if adding either channel improves overall efficiency. See post-purchase survey attribution and MER explained.

Who each channel suits

ChatGPT ads fit best when:

• Your buyers ask advice questions before purchasing.
• You sell to consumers, not B2B teams.
• Your product is research-heavy: home goods, health and wellness, gifts, considered purchases.
• You have messages that work as answers, not just ads.
• You want exposure on the leading standalone AI assistant.

Microsoft Advertising fits best when:

• You already run Google Ads and want incremental search volume.
• Your audience skews slightly older or uses Windows by default.
• You have B2B products and want LinkedIn profile targeting.
• You want to reach Copilot users within the Microsoft ecosystem.
• You need mature tooling with easy Google import.

Run both when:

• You have budget to test two AI-adjacent channels in parallel.
• Your product spans consumer and prosumer audiences.
• You want to learn which AI surface (ChatGPT vs Copilot) your buyers prefer.

How to test both without overlap confusion

If you decide to run both, structure the test clearly:

1. Separate budgets and UTMs. Different tracking so you can see each channel's contribution.
2. Same offers and landing pages. So you are comparing channels, not offers.
3. Survey both. "ChatGPT," "Bing search" and "Microsoft Copilot" as separate options.
4. Run sequentially if budget is tight. Four weeks on ChatGPT, four weeks on Microsoft, compare results.
5. Watch MER during each period. Did total efficiency improve?

Do not scale on three conversions. Wait until each channel has at least 15 to 20 conversions before drawing conclusions.

A worked hypothetical

Brand: A consumer electronics brand selling a $149 wireless charger with 50% gross margin ($74.50 gross profit).

ChatGPT scenario:

• CPC: $4.25
• Conversion rate: 3.2%
• Cost per order: $4.25 / 0.032 = about $133

That exceeds gross profit on first order. The brand breaks even if repeat purchase rate is at least 80% or if bundle AOV rises to $200+.

Microsoft Bing scenario:

• CPC: $1.80 (lower competition for "wireless charger")
• Conversion rate: 2.1% (lower intent than ChatGPT conversation)
• Cost per order: $1.80 / 0.021 = about $86

Closer to profitable, but volume may be limited because Bing search share is smaller.

Decision: Run Bing at steady budget for core search volume. Test ChatGPT for advice queries like "best wireless charger for desk setup" where conversion may be higher.

How SecondWin fits in

SecondWin focuses on ChatGPT ads, done for you. We do not manage Microsoft Advertising or Bing campaigns. If you are already running Microsoft search and want to add a second AI channel without building it from scratch, SecondWin reads your site, studies the longest-running ads in your niche on Meta's Ad Library, and writes original ChatGPT chat cards that answer buyer questions.

After you choose a plan and add SecondWin as an Admin on your OpenAI ad account, we launch and refresh campaigns while OpenAI bills spend directly to you. Run a free analysis of your store or see plans and pricing. SecondWin is independent and not affiliated with OpenAI or Microsoft.

FAQ

What is the difference between ChatGPT ads and Microsoft Copilot ads?

ChatGPT ads appear below ChatGPT's answers on OpenAI's platform, targeted with context hints. Microsoft Copilot ads appear within Microsoft's AI experiences (Bing Chat, Copilot in Edge and Windows), managed through Microsoft Advertising alongside Bing search ads. Different platforms, different audiences, different ad formats.

Should I run Microsoft Advertising or ChatGPT ads first?

If you already run Google Ads and want incremental search volume quickly, Microsoft Advertising is easy to set up with campaign imports. If your buyers ask advice questions in a conversational way and you want exposure on the leading AI assistant, ChatGPT ads may be a better fit. For consumer brands with considered products, ChatGPT is often worth testing early.

Are Microsoft Bing CPCs cheaper than ChatGPT CPCs?

Often yes. Bing CPCs can be 20% to 40% lower than Google for the same keywords because of lower competition. ChatGPT CPCs commonly run $3 to $5. But cost per acquisition depends on conversion rate, not just click cost. A cheaper click that converts less often is not a bargain.

Can I use the same ads on both platforms?

Not directly. ChatGPT chat cards have strict character limits (50 headline, 100 body) and require an image. Bing search ads are text-based with multiple headlines and descriptions. You can reuse the same message and offer, but you need to rewrite for each format.

How do I track which channel is actually working?

Tag every link with UTMs. Use the platform's conversion tracking (OpenAI pixel, Microsoft UET). Add both as options in your post-purchase survey. Watch blended MER before and after adding each channel. If MER improves, the channel is contributing. If only the platform dashboard improves, you may be moving credit around.