The AI ads platform landscape 2026: ChatGPT, Gemini, Copilot, Perplexity

Tarun Kapoor Updated July 2, 2026 11 min read

Three first-party AI advertising surfaces are live in 2026 — ChatGPT Ads, Google AI Mode, and Microsoft Copilot — one is contested (Gemini in-chat), and one has publicly stepped away (Perplexity). Underneath sits a growing layer of third-party ad networks selling into non-first-party AI apps. This guide maps every surface in one table, walks through what is buyable today, and gives an honest recommendation on where a first test belongs given your existing stack.

The short answer

The "AI ads landscape" reads busier than it actually buys. Three companies own the surfaces that matter for reach: OpenAI, Google, and Microsoft. Each has taken a different approach — a new self-serve platform (OpenAI), an extension of Search (Google AI Mode), and a placement on an existing exchange (Microsoft Copilot). A fourth company, Perplexity, tried and stepped away. Gemini's in-chat surface exists but is not currently a buyable advertising unit despite advertiser briefings. Everything else — the third-party ad networks — sells inventory in AI apps not owned by any of the above, which is a real but smaller opportunity.

The 2026 platform matrix, in one table

ChatGPT Ads Live

OpenAI's self-serve Ads Manager opened to all U.S. businesses on May 5, 2026 with no minimum spend, CPC bidding at $3 to $5 starting bids alongside the original $60 default CPM, and a Conversions API for measurement. Targeting is built around context hints — short phrases describing the conversations where the ad is relevant — rather than keywords or demographics. There is no cross-device identity, no retargeting audience, and no age or gender targeting; the trade-off is reach into a signed-in, high-engagement, conversational audience that other platforms cannot serve.

For a full walk-through, see our guides to how ChatGPT ads work, cost, and Ads Manager setup.

Google AI Mode Live

Google AI Mode extends the classic Google Search results page with an AI-summarized answer, and Google has placed ads in that surface. The important detail for advertisers: you do not buy Google AI Mode ads separately. They are placements inside Google Ads campaigns, subject to the same targeting, bidding, and creative infrastructure as Search. If you are already running Google Search or Performance Max campaigns, you have very likely served in AI Mode without an explicit opt-in. The action item is not "buy this platform" but "audit whether your existing campaigns are showing in AI Mode and whether creative is optimized for the summarized surface."

Gemini in-chat Contested

Gemini's dedicated in-chat advertising remains ambiguous. Multiple outlets through late 2025 and 2026 reported that Google representatives briefed advertisers on a 2026 rollout with targeted formats and pricing. In parallel, senior Google executives publicly stated that there are no ads in the Gemini app and no current plans to introduce them. The most reasonable read: Google is preserving Gemini's ad-free user experience while learning from AI Mode ad monetization, and reserving optionality to change that later. For planning purposes, assume Gemini in-chat ads are not currently available and set a review cadence to reassess quarterly.

Microsoft Copilot Live

Microsoft's approach is the quiet one. Copilot ads flow through Microsoft Advertising, the same platform advertisers use for Bing Search. That means:

• Your existing Microsoft Ads campaigns, keywords, audiences, and creative extend to Copilot placements.
• Reporting sits inside the same Microsoft Advertising UI you already use.
• The friction to include Copilot is near zero for any Microsoft Ads advertiser.

For an advertiser already running Microsoft Ads, this is the lowest-cost way to add AI-conversational reach. For an advertiser not running Microsoft Ads, standing up an account solely for Copilot access is usually not worth the overhead versus starting with ChatGPT Ads.

Perplexity Discontinued

Perplexity discontinued its advertising business in early 2026, publicly citing trust concerns — that advertisements erode user confidence in the objectivity of AI-generated answers. The company has repositioned around subscriptions, spanning a free tier and paid plans between $20 and $200 per month, with reporting citing over 100 million users and around $200M in annualized revenue. Perplexity is currently not an advertising surface. It remains an important surface for organic AI visibility — see our guide to appearing in AI answers — but not for paid.

Third-party AI ad networks Third-party

Beneath the three first-party surfaces sits a layer of independent ad networks selling native ads into third-party AI apps and chatbots that are not owned by OpenAI, Google, or Microsoft. The prominent names as of mid-2026 include Koah Labs (positioning as "AdSense for GenAI," reportedly $5M seed from Forerunner Ventures), ChatAds, Spark, Jutera, ZeroClick, and Adsbind. Publicly cited revenue per thousand messages ranges from $15 to $50 across their inventory — three to five times higher than traditional display — with a hypothetical 100,000-monthly-conversation app cited as earning $1,500 to $5,000 per month.

For advertisers, this layer solves a specific problem: reach into AI-native apps that are not one of the three first-party surfaces. Format is native contextual, buying is mostly CPM, and inventory is fragmented across networks. Not the first place to test, but worth understanding if your buyer spends time in AI-app inventory that the big three do not cover.

Where to actually start

A pragmatic sequence based on the stack most advertisers already run:

1. Already on Google Ads? Audit whether your Search and PMax campaigns are appearing in AI Mode. Test creative optimized for the summarized surface. Zero incremental platform work.
2. Already on Microsoft Ads? Verify Copilot placements are enabled. Same infrastructure, near-zero effort.
3. Want the AI-native reach nobody else can give you? Test ChatGPT Ads with a $1,000 to $3,000 first budget. Different targeting model, real new inventory, no minimum spend.
4. Reach a specific AI-app audience the big three miss? Test one third-party AI ad network, treat it as display buying, judge on brand-search lift and cost per conversion.
5. Set a quarterly review on Gemini in-chat status. When it becomes buyable, be ready with a plan rather than starting from zero.

For a head-to-head on ChatGPT Ads against Google Ads specifically, see ChatGPT ads vs Google Ads. For the state of Perplexity and Gemini as ad surfaces specifically, see the companion piece on Perplexity and Gemini ads.

Frequently asked questions

Which AI advertising platforms are actually live in 2026?

Three first-party surfaces are live for U.S. advertisers as of mid-2026: ChatGPT Ads (self-serve via OpenAI Ads Manager since May 5, 2026), Google AI Mode ads (extension of Google Search's AI-powered mode, in-market), and Microsoft Copilot ads (delivered through the existing Microsoft Advertising platform via Bing). Gemini's dedicated in-chat ad product remains contested. Perplexity discontinued its ads in early 2026.

Is Gemini running ads yet?

It is contested. Reporting through late 2025 and 2026 described advertiser briefings on a Gemini ad rollout, while senior Google executives publicly stated that no ads are running in the Gemini app and there were no current plans to change that. Ads are live in Google AI Mode, which is a different surface than the Gemini app itself. Assume ads in Gemini are not currently available to advertisers and monitor Google communications for changes.

Why did Perplexity kill its ads?

Perplexity discontinued advertising in early 2026, publicly citing trust concerns — that ads erode user confidence in answer objectivity. The company has repositioned around subscriptions across a Free tier and paid plans between $20 and $200 per month. Perplexity is not currently an advertising surface.

Where do Microsoft Copilot ads come from?

Copilot ads are delivered through Microsoft Advertising, the same platform advertisers use for Bing Search ads. That means existing Microsoft Ads accounts, campaigns, and creative can extend to Copilot placements without a separate integration. For advertisers already on Microsoft Ads, this is the lowest-friction way to reach an AI conversational surface.

What are the third-party AI ad networks?

A layer of ad networks — Koah, ChatAds, Spark, Jutera, ZeroClick, Adsbind, and others — sell native ads into third-party AI apps and chatbots that are not owned by OpenAI, Google, or Microsoft. They serve app developers monetizing conversational surfaces rather than reaching the main chat platforms. Reach is smaller and formats vary, but the buying model is more like display than search.

Which AI advertising platform should I start with?

For most advertisers in 2026 the practical start is a small ChatGPT Ads test, because it has the lowest reach-to-effort ratio and self-serve access with no minimum. Advertisers already running Microsoft Ads should extend to Copilot at negligible incremental effort. Google AI Mode ads flow through Google Ads' existing search infrastructure. Save third-party AI ad networks for after a first-party channel is working.

Do these platforms use the same targeting model?

No. ChatGPT Ads uses conversational context (context hints) plus limited user tier signals, not keywords or demographics. Google AI Mode ads extend Google Ads' existing keyword and audience targeting into an AI-summarized result surface. Microsoft Copilot inherits Microsoft Advertising's keyword and audience model. The mental model is different for ChatGPT than for the two search-derived surfaces.

Are AI ad platforms cannibalizing search ad spend?

Early evidence is mixed. Some advertisers report shifting budget from LinkedIn or Meta to ChatGPT Ads as their target buyers migrate research to AI conversation. Search ad spend is more resistant because search remains the dominant transactional intent surface, and Google AI Mode keeps ads inside the search franchise. The near-term pattern is additive testing rather than large-scale replacement.

Sources and further reading

• OpenAI — Testing ads in ChatGPT.
• Adweek — Google tells advertisers it will bring ads to Gemini in 2026.
• Search Engine Land — Google denies ads are coming to Gemini in 2026.
• Campaign US — Perplexity pulls the plug on ads.
• AdExchanger — One chatbot's journey to introducing ads that don't suck.
• NAI — Advertising in AI chatbots: early observations.
• Context Hints — ChatGPT vs Google Ads, Perplexity and Gemini ads.

Tarun Kapoor

Founder & CEO, Context Hints

Twelve years of media buying across GroupM, WPP, Ogilvy & Mather, and Neil Patel Digital. Has personally owned media for Nestlé, Sage, Qualcomm, Aetna, Weight Watchers, Chubb and Novotel.