B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
$25
$25 -- cpm for ChatGPT Ads (OpenAI) (2026-05)
ChatGPT Ads CPM dropped to as low as $25.
- CPMs dropped from $60 at launch to as low as $25
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
$25
Unit
Currency Usd
Data Vintage
2026-05
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
OpenAI
Primary
Tier B
https://www.mktg.ai/post/the-cmo-lever-that-didn-t-get-cheaper ↗
Source Article
The Creative Brief is the Last CMO Lever: Insights from mktg.ai Blog
The CMO Lever That Didn't Get Cheaper
ChatGPT, Meta, and Google automated the same three layers this week. Why the brief is the lever they left alone is now your only one.
OpenAI dropped ChatGPT Ads' minimum spend to zero on May 5. Meta opened its end-to-end AI ad assistant to every advertiser the s…
Original Research
OpenAI
· Original study ↗
Methodology
Cited CPM benchmark for ChatGPT Ads; article notes CPMs dropped from $60 at launch to as low as $25, approaching Google Display levels.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
ChatGPT Ads (OpenAI): $25 cpm. Source: OpenAI (2026-05). Via Lighthouse Intelligence -- https://lighthousedata.io/data/chatgpt-ads-cpm-25-usd
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<blockquote cite="https://lighthousedata.io/data/chatgpt-ads-cpm-25-usd" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>$25</strong> -- cpm for ChatGPT Ads (OpenAI)<br><small>Source: OpenAI (2026-05) · <a href="https://lighthousedata.io/data/chatgpt-ads-cpm-25-usd" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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