Real ChatGPT answer · index seed92vQvc9Jyy0completeMarketing and advertising · content marketingcommercial
Which current email service providers have the highest deliverability rates to fix my terrible email open rates immediately.
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Which current email service providers have the highest deliverability rates to fix my terrible email open rates immediately.
1 real search · 1 real-search pass
2026 email deliverability rates independent testing email service providers Mailchimp Klaviyo Brevo ActiveCampaign HubSpot OmnisendGoogle ↗
OBSERVEDReason
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
2026 email deliverability rates independent testing email service providers Mailchimp Klaviyo Brevo ActiveCampaign HubSpot Omnisend Google ↗
- Email Deliverability Statistics (2026) · emailtooltester.com
- Email Deliverability Test: The Strongest (& Worst) Performing Newsletter Services · emailtooltester.com
- Email sender guidelines FAQ · support.google.com
- Email sender guidelines · support.google.com