Testing begins in the US
OpenAI opens a limited pilot to large brands and agency partners, gated behind a minimum spend commitment.
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ChatGPT Ads
ChatGPT Ads Agency for Conversational Advertising
Nucleosys Tech is a ChatGPT Ads agency managing campaigns from the ground up: context-hint architecture, chat card creative, landing page alignment, and conversion tracking. Ads went live in India on 27 August 2026, and self-serve buying opened on 4 September — we help brands test this new channel properly from day one, with a structured build instead of guesswork.
Our approach focuses on matching advertising with the user’s conversational intent, so campaigns feel relevant rather than disruptive. We build the campaign foundation, develop creative that fits the chat environment, and connect every step to a measurable conversion journey.
What are ChatGPT Ads?
A ChatGPT ad is a single sponsored card served below an answer, targeted by descriptions of conversations rather than keywords, and ranked by a relevance-weighted second price auction where your bid is only one input.
OpenAI began testing ads in ChatGPT on 9 February 2026 in the United States. As of 1 September 2026, ads run in more than 40 markets, self-serve buying is open in the United States and expanding, and OpenAI stated on 31 August 2026 that its advertising business reached a USD 1 billion annualised revenue run rate in under 200 days.
The mechanics are narrow: one ad format, the chat card; one targeting mechanism, context hints; and three objectives, billed on CPM, CPC or oCPC. Delivery is decided by a relevance-weighted second price auction. Advertisers do not receive users’ chats, chat history, memories, names, emails, precise location or IP address, only aggregated campaign data such as impressions and clicks.
Why ChatGPT Ads in India matter right now
India went live on 27 August 2026, and self-serve buying opens from 4 September 2026. That is a matter of days between reading this and being able to run a campaign, which is why the timing question is live rather than theoretical.
Self-serve opens in the US
The minimum spend requirement is dropped, and web conversion tracking (pixel + Conversions API) ships alongside self-serve access.
India goes live
Ads start appearing to eligible ChatGPT users in India. More than 50 brands are part of the initial cohort, with WPP and Omnicom named as launch agency partners for the market.
$1B run rate announced
OpenAI reports its ad business hit a USD 1 billion annualized revenue run rate in under 200 days, and confirms advertisers in India, Europe, the Middle East, and North Africa can now buy directly through Ads Manager.
Mechanics
How do actually work?
At its core, a ChatGPT ad is one sponsored card that appears below the AI’s answer. It’s targeted using descriptions of conversations rather than keywords, and placement is decided through a relevance-weighted second-price auction — where your bid is just one factor among several.
Anatomy of a chat card
Five elements make up the entire creative surface, and each one is scored for how relevant it is to the conversation the ad appears in.
Sponsored label
Always visible, mandatory, and clearly separated from the answer above it — there’s no way to blend an ad into the response.
Square image
Minimum size of 256×256 pixels. Best practice is to export larger and let the card scale it down rather than uploading at the minimum.
Title
3 to 50 characters, but it truncates well before the cap. Front-load the qualifier.
Body copy
Up to 100 characters. This is your one real chance to pre-qualify the click and filter out people who aren’t actually a fit.
Favicon and destination URL
Your favicon plus a UTM-trackable destination link. Note that relevance isn’t just scored on the ad — the landing page it points to gets scored too.
What are context hints, and why is this not keyword targeting?
Context hints are short descriptions of the conversations, needs, topics and situations where your product is relevant, and they are set at the ad group level. OpenAI is explicit that they are not exact match keywords and that they do not guarantee delivery in any specific conversation. This is the single biggest mental shift for a buyer coming from Google Ads. You are not bidding on a string a user typed. You are describing a situation, and the system decides semantically whether your ad belongs in a conversation that may never contain your words at all.
Keyword thinking
Focused on product terms — what you sell.
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This misses most of how people actually talk to an AI assistant, and unlike search, there’s no negative-keyword tool to filter out the noise.
Context hint thinking
Focused on buyer situations — why they’re asking.
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sales team outgrowing spreadsheets and losing deals in follow-up
founder replacing a CRM their team refuses to use
You control relevance by tightening the description, the ad copy and the landing page, not by excluding terms.
Campaign, ad group and ad hierarchy
The structure is familiar even though the targeting is not. Because context hints are the only real targeting lever, ad group count is how you buy control: one ad group per distinct buyer situation, each with its own hint set, bid and matching landing page. Collapsing several situations into one ad group is the fastest way to lose the ability to read what worked.
1
Keyword thinking
SET AT THIS LEVEL
Budget
Flight dates
Country targeting
The money and the market. One campaign per market and objective.
2
Ad group
SET AT THIS LEVEL
Bid
Context hints
The only real targeting lever. One ad group per distinct buyer situation.
3
Ad
SET AT THIS LEVEL
Title
Body copy
Image
Destination URL
The chat card itself. Several variants per ad group, rotated and read.
ChatGPT Ads vs Google Search Ads
The biggest differences come down to three things: how you target (a described situation vs. a typed keyword), who actually sees your ad (two specific ChatGPT plan tiers vs. essentially everyone on Google), and how much creative space you’re working with (a single card vs. a multi-asset responsive ad).
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Dimension
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ChatGPT Ads
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Google Search Ads
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Targeting
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Context hints — descriptions of buyer needs and situations, set at the ad group level. Not exact-match, and there's no guarantee your ad shows in any specific chat.
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Keywords with match types, plus demographic and audience layers, set at the ad group level. Negative keywords available for exclusion.
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Bidding
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Relevance-weighted second-price auction. Three objectives: Reach (CPM), Clicks (CPC), or conversion-optimized (oCPC — billed per click while optimizing toward a tracked conversion).
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Auction combined with Quality Score. Manual CPC available, alongside a mature smart-bidding suite (target CPA, target ROAS, etc.).
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Ad format
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One chat card only — title (3–50 characters), body copy (up to 100 characters), a square image, favicon, and destination URL. No video, no carousel.
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Responsive search ad — up to 15 headlines (30 characters) and 4 descriptions (90 characters), plus sitelinks, callouts, and other extensions.
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Audience reach
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Logged-in adults on ChatGPT's Free and Go plans only. Plus, Pro, Business, Enterprise, and Edu users see no ads. Nothing runs near health, mental health, or political conversations.
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Anyone searching on Google — signed in or not — across virtually every type of query.
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Placement
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Appears below the AI-generated answer, clearly labeled as sponsored. Advertisers cannot influence what the answer itself says.
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Appears above and below organic search results, labeled Sponsored, competing directly for the same screen real estate as regular listings.
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Creative flexibility
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Limited — one card, visible truncation, and relevance scored against both the conversation and your landing page.
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Extensive — multiple assets, ad strength feedback, extensions, and far more room to differentiate.
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Which agency can run ChatGPT Ads for your brand in India?
Nucleosys Tech is a performance marketing agency with office in Pune that manages ChatGPT Ads for Indian and global brands, covering account setup and verification, conversation and intent mapping, context hint architecture, chat card creative, landing page alignment, conversion tracking, budget pacing and pipeline reporting. We are an independent agency rather than a holding company, so a test-sized budget gets senior attention rather than being handed down. Below is the actual scope of work.
Account Setup & Verification
01
We get the account live and compliant before a single rupee is spent.
- Ads Manager account creation, business KYC, and billing setup handled end-to-end
- Pre-build eligibility check for your category, so restricted-industry brands aren't surprised later
- Account access stays under your ownership, not locked to the agency
- Clean naming and folder structure from day one, so nothing turns messy by month three
Buyer Conversation Mapping
02
The most research-heavy phase, and the one that shapes everything after it.
- We study how your actual buyers phrase questions to an AI assistant, not how they'd search on Google
- Early-stage "exploring options" conversations are separated from late-stage "ready to decide" ones
- We flag where your product genuinely fits the conversation — and skip the situations where it doesn't
- Deliverable: a buyer-situation map that becomes the backbone of your ad group structure
Context Hint Strategy & Ad Grouping
03
Each buyer situation gets its own dedicated ad group — hints, bid, and destination page all matched to it.
- Hints framed around buyer needs and intent, not just product keywords
- Wide enough coverage to reflect real conversational language, tight enough to stay measurable
- Bidding weighted by intent value, so your best-fit situations aren't starved of budget
- Ongoing hint testing on a set schedule, with every change tracked for attribution
Chat Card Creative
04
Built specifically for a format that truncates fast and forgives nothing.
- Titles kept within the 50-character cap, front-loaded since visual space is even tighter
- Body copy within 100 characters, written to pre-qualify clicks rather than just attract them
- Image and favicon assets sized and tested to render sharp on any device
- Several creative variants per ad group, tested for relevance — not just clicks
Landing Page Matching
05
Your homepage isn’t built to answer a specific buyer situation, so we don’t send traffic there.
- Custom or adapted landing pages built per ad group / buyer situation
- Headline and first-screen messaging matched directly to the ad copy
- Load speed and mobile experience checked, since a slow page hurts both conversion and ad relevance
- If no suitable page exists yet, we build one instead of forcing a mismatch
Conversion & Source Tracking
06
Tracking goes live before the campaign does — not after.
- Pixel and Conversions API set up for accurate web conversion capture
- UTM/source tags that carry through into your CRM, so leads stay traceable to ChatGPT even after they convert
- Conversion events defined upfront and tied to what actually drives revenue, not vanity metrics
- Regular reconciliation between platform numbers and your own CRM data
How do you get started with ChatGPT Ads?
Most brands go from first conversation to live campaign in roughly two to three weeks.
Day 1
Discovery call & fit check
A short call to see whether ChatGPT Ads actually makes sense for you — is your category eligible, do your buyers sit on the ad-supported tiers, and what would a reasonable test budget look like. If it's not the right time for your brand, we'll tell you upfront instead of onboarding you anyway.
Week 1 to 2
Setup, tracking & research
Account creation and business verification happen in parallel with conversion tracking (pixel + Conversions API) and buyer conversation mapping. Tracking is fully live before any spend goes out.
Week 3
Build & go live
We put together the ad group structure, context hints, chat card creatives, and matching landing pages, then launch with a controlled, paced budget rather than switching everything on at once.
Week 4 onward
Optimize & review
Weekly tuning based on early signals, followed by a proper performance review at the 6–8 week mark — the earliest point where a relevance-based auction and a still-maturing measurement system actually give you something reliable to act on.
Who should run ChatGPT Ads, and who should not
ChatGPT Ads suit brands with working measurement and a research-heavy buying journey who can fund a genuine test, and they do not suit brands that need guaranteed near-term volume, sit in a restricted category, or sell to an audience concentrated on the paid ChatGPT tiers. For businesses looking for a ChatGPT Ads running company, the right partner can help structure the campaign, manage targeting and creative, and measure results effectively.
Worth testing if
- You're already running Google or Meta Ads with a proper measurement setup in place
- Your buyers tend to research through an AI assistant before shortlisting — common in SaaS, finance, education, travel, and other considered purchases
- You can commit to a test period long enough to actually learn something, rather than judging results after a week or two
- You have (or are willing to build) landing pages matched to specific buyer intent, not just a generic homepage
- You're comfortable getting in early on a channel that's still developing, understanding that "early" also means "unproven"
Not worth it yet if
- You need guaranteed lead volume this quarter — this is a newer, smaller-audience channel and shouldn't replace a channel that's already working for you
- Your target audience is mostly on ChatGPT Plus, Pro, Business, Enterprise, or Edu plans — these users don't see ads at all
- You're in a restricted category — political ads aren't allowed at all, and adult content, gambling, tobacco, recreational drugs, and weapons are excluded. Health and finance brands can advertise but go through stricter verification
- Your product comes up in sensitive conversations — no ads appear near personal health, mental health, or political discussions, regardless of the user's plan
- You don't have conversion tracking set up and aren't planning to — the conversion-optimized bidding option has nothing to work with otherwise
FAQs
Frequently Asked Questions — ChatGPT Ads Agency Services
Ads went live for eligible users in India on 27 August 2026, and self-serve buying through the ChatGPT Ads Manager opened on 4 September 2026.
Account setup and verification, conversation and intent mapping, context hint architecture, chat card creative, landing page alignment, conversion tracking, budget pacing, and pipeline reporting — the full scope is detailed above.
Targeting is built around context hints — descriptions of buyer situations — rather than keywords, and the entire creative surface is a single chat card instead of a multi-asset responsive ad. It requires a different build process, not just a different platform login.
Typically two to three weeks from the first call to a live campaign: account setup and measurement implementation run alongside conversation mapping, then build and launch follow in week three.
There’s no fixed minimum under self-serve buying. We recommend funding a test long enough to clear an initial learning period — six to eight weeks — before drawing conclusions, since the auction and measurement stack are both still young.
Brands needing guaranteed volume this quarter, those in restricted categories (political, adult, gambling, tobacco, weapons), or those without conversion tracking in place should wait until those fundamentals are ready — full detail is in the “Who should run ChatGPT Ads” section above.
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