Google Demand Gen in 2026: cross-channel video that converts

In 2024 Google quietly retired Discovery campaigns and rebranded YouTube-focused conversion campaigns into a single unified format called Demand Gen. By 2026, Demand Gen is the social-style ad campaign for Google Ads — running across YouTube (in-feed, Shorts, watch page), Discover, and Gmail with one creative pool and one bid strategy.

For brands that built their playbook around standalone YouTube ads or Discovery in 2022, the migration is more than cosmetic. Demand Gen behaves like a hybrid of Meta and YouTube — closer to Meta’s Advantage+ in account structure but with YouTube-grade video creative requirements.

Here’s the 2026 Demand Gen playbook that’s actually working for our clients.

What Demand Gen is and isn’t

What it is: A single Google Ads campaign type that runs visual ads across YouTube’s three formats (in-feed, in-stream, Shorts), Google Discover, and Gmail’s promotional tab. The algorithm picks placement per impression based on user intent and your conversion objective.

What it isn’t: A search campaign. Demand Gen targets users not actively searching — it captures intent at the discovery stage and pushes them toward conversion. The buyer journey is different from PMax (which handles search + everything) and different from standalone YouTube TrueView (which optimizes for views, not conversions).

Position Demand Gen in your media mix as the upper-mid funnel complement to PMax. PMax handles existing intent; Demand Gen creates new intent.

The 2026 campaign structure

For most accounts running Demand Gen alongside PMax and brand search:

1. One Demand Gen campaign per offer

Don’t fragment. Demand Gen needs conversion volume to optimize — 30+ conversions per month per campaign minimum. One campaign per major offer/product line works best.

2. 2-3 ad groups within the campaign

Segment ad groups by audience theme:

Cold prospecting (lookalikes, broad audience signals)
Mid-funnel (custom intent audiences, website visitors)
Retargeting (cart abandoners, video viewers from your existing campaigns)

Each ad group gets dedicated creative tuned to that audience temperature.

3. Bid strategy: Maximize Conversions or Target CPA

Smart bidding only — manual CPM/CPV doesn’t apply to Demand Gen. Start with Maximize Conversions for the first 2-4 weeks to gather signal, then switch to Target CPA once you have 50+ conversions to calibrate against.

The creative spec that wins in 2026

Demand Gen is a creative format. Like Meta and TikTok, the creative pool size and quality drive most of the performance.

Video specs

Aspect ratios: 16:9 (in-stream, watch page), 9:16 (Shorts, in-feed mobile), 1:1 (in-feed). Ship all three or you cede placements.
Length: 6-15 seconds for in-feed and Shorts, up to 60 seconds for in-stream. Bias toward shorter — 15-second versions outperform 60-second equivalents in our data 70% of the time on conversion campaigns.
Captions burned in. Auto-captions from YouTube are inconsistent. Burn them.
Audio important. Unlike Meta, YouTube users often have sound on. Music selection and voiceover quality move conversion rates.

Image specs (for Discover and Gmail placements)

Aspect ratios: 1.91:1 (landscape), 1:1 (square), 4:5 (portrait). Same multi-ratio rule.
Minimum 600×314 px, retina-safe sizing recommended.
No more than 20% text on image (Google enforces this loosely but flagged ads underperform).

Creative concepts that work

In order of performance for direct-response Demand Gen:

Talking-head product walkthrough (15-30s) — founder or product expert demoing the product. Works in both YouTube and Shorts.
UGC testimonial compilations — 3-4 customer clips cut together with name/title supers.
Before-and-after transformations — works for SaaS dashboards, design tools, fitness, finance.
Animated product explainers — for technical/SaaS products where live action doesn’t show the product clearly.

What doesn’t work: brand sizzle reels, music-only product montages, anything that doesn’t have a clear conversion ask in the last 3 seconds.

Audience signals in Demand Gen

Like PMax and Meta ASC, you provide audience signals rather than hard targeting:

Lookalike segments

Demand Gen has its own lookalike system, separate from PMax. Build lookalikes off:

Recent customers (last 30-90 days, freshest signal)
High-LTV customers (top 20%)
Engaged but unconverted leads (added to cart, started signup, viewed pricing)

Custom segments

Build custom audiences from:

Keywords users have searched (“alternative to [competitor]”, “[your category] software”)
Websites users have visited (competitor sites, industry publications)
App usage patterns (relevant for mobile-first products)

Optimized targeting

Toggle this on. It lets the algorithm expand beyond your provided signals to find converters who match the underlying pattern. For most accounts, this lifts conversions 20-40% without measurable quality drop.

What kills Demand Gen performance

1. Image-only campaigns

If you ship only static images (skipping video), you lose access to the YouTube placements that drive most of the volume. Always include at least 2-3 video assets per ad group.

2. Last-click attribution misreads

GA4 last-click will under-credit Demand Gen because it’s an upper-funnel format. Users see your Demand Gen video, search your brand a week later, convert through the brand search ad. Last-click gives brand search the credit.

Use data-driven attribution in GA4 (default in 2026) or Google’s own attribution reporting in Ads Manager. Demand Gen’s contribution shows up properly there.

3. Mixing Demand Gen and PMax conversion events

If both PMax and Demand Gen optimize for the same conversion event, they’ll compete in the auction. Either:

Have Demand Gen optimize for a softer event (page view 60+ sec, scroll depth, lead-magnet download)
Run Demand Gen as a brand/awareness campaign with Maximize Reach bidding (different objective entirely)

4. Asset quality mismatch

Ad strength matters in Demand Gen the same way it matters in PMax. Asset groups with Excellent rating outperform Average by 25-50%. Ship enough assets to hit Excellent on every ad group.

What to measure

View-through conversion rate specifically. Demand Gen earns most of its credit at the view-through level, not click. Configure your reporting to include both.
New customer acquisition rate (filtered to first-time buyers). Demand Gen’s value is in generating new demand, not capturing existing. If 80% of Demand Gen conversions are existing customers, the campaign is being wasted on retargeting that PMax could do cheaper.
Brand search lift during Demand Gen campaign periods. A well-run Demand Gen campaign lifts branded searches 10-30%. If you don’t see this, the campaign isn’t doing its top-of-funnel job.
Incrementality testing quarterly. Google Conversion Lift studies are free and tell you what Demand Gen actually drove vs what would have happened anyway.

When Demand Gen isn’t the right fit

Pure transactional offers (commodity products, low-AOV impulse purchases). Search and PMax do this better.
Hyper-targeted B2B ($30k+ ACV with specific account lists). LinkedIn Ads is the better channel.
Very small budgets (under $3k/month). Demand Gen needs volume to optimize; tiny budgets starve it.

The honest framing

Demand Gen is the format Google built once they realized social-style discovery commerce wasn’t going away. It works because YouTube is the second-largest search engine and the largest video platform, and Demand Gen is the only Google ad format that uses both well together.

For brands with budget for proper video creative ($3k-15k/month allocated to Demand Gen, video production budget on top), it’s a meaningful incremental channel. For brands hoping to recycle 2018 banner ads into a video campaign, it’s a waste.

Treat it like a video advertising channel because that’s what it is. Match the production budget to the placement quality. The accounts winning here have YouTube creative production figured out as a parallel discipline.