# Case Studies — Real ChatGPT Ads Results | GPT Ads AI

URL: https://www.gptadsai.com/case-studies
Updated: 2026-05-21
Type: Case Study Collection

> Three representative GPT Ads AI engagements across the categories we work in most: DTC supplements, B2B vertical SaaS, and high-ticket professional services. Client names are anonymized under active NDA. Metrics reflect measured performance during the specified engagement periods.

## Case 1 — DTC Supplements

**Sector:** 8-figure DTC supplements brand
**Challenge:** 92% of new-customer spend reliant on Meta. CAC up 38% year-over-year. Wanted a compounding second channel.
**Approach:** Launched ChatGPT Ads in 11 days. Built creative system mapped to high-intent buyer questions. Installed server-side tracking. Migrated 18% of Meta budget into the new channel as performance proved out.
**Results (90 days):**
- Blended CAC: down 31%
- ROAS on ChatGPT Ads: 3.4x
- New customer growth: up 22% month-over-month

Quote: "We treated ChatGPT as an experiment for six months and learned nothing. GPT Ads AI ran it as a P&L channel from day one." — Head of Growth, DTC supplements brand.

## Case 2 — B2B Vertical SaaS

**Sector:** Vertical SaaS selling to operations leaders
**Challenge:** Demo requests dropping as buyers stopped clicking search ads. Target persona was researching solutions inside ChatGPT.
**Approach:** Built campaign structure targeting buying-stage prompts in operations and supply-chain categories. Paired ChatGPT placements with a tightened landing page and an updated MQL definition.
**Results:**
- Demo requests vs paid-search baseline: 2.7x
- Cost per qualified lead: down 19%
- Time from kickoff to first booked demo: 11 days

Quote: "Our buyers stopped Googling. The team helped us show up where they were actually doing the research." — VP Marketing, vertical SaaS.

## Case 3 — Professional Services

**Sector:** High-ticket consulting firm
**Challenge:** Burning $40k/mo on LinkedIn Ads with declining response rates. Wanted higher-intent leads and shorter sales cycles.
**Approach:** Cut LinkedIn spend by 60%, shifted budget to ChatGPT and Google branded search, rewrote intake form to filter for fit. Built weekly creative pipeline anchored on founder thought leadership.
**Results:**
- Qualified consult bookings: up 58%
- Cost per booked call: down 44%
- Average sales cycle: 23 days (down from 41)

Quote: "We finally have a paid program our partners trust to feed the pipeline." — Managing Partner, boutique consulting firm.

## Disclosure

Case studies are based on live engagements. Client identities have been anonymized where required by NDA. Metrics reflect measured performance during the specified engagement period. Past results do not guarantee future outcomes — performance depends on offer, margin, market dynamics, and execution. Reference calls available on request once we are in active conversation.

## Related

- /services.md
- /about.md
- /contact.md

## About this page

Canonical machine-readable version of https://www.gptadsai.com/case-studies.
