How Synthesia writes email.
5 emails classified across 1 months, all sent through HubSpot. Tracked since Aug 2026. Every hook, framework, offer type and CTA — on the record.
Synthesia is one of 973 brands tracked in the BadRep vault, classified under AI Tools & Companions + Photo & Video. We've indexed 5 emails from Synthesia since August 2026, sent at a cadence of roughly 5/month through HubSpot. Their program leans on Product Launch sends with Bold Claim hooks; below is everything BadRep has noticed about how they actually write to their list.
- Steady cadence at 5 emails/month over 1 tracked months.
- Personalizes 7.7× more than the median brand (100% vs 13% — merge tags, dynamic blocks, you-the-subscriber language).
- Product Launch is the dominant program — 60% of all sends (3 of 5 emails).
- Hook of choice: "Bold Claim" — opens 40% of sends.
- Subject lines average 29 characters, tight — most readers see the whole thing in any inbox.
- Leans on emoji in subject lines — 60% include one, vs catalog median of 8%.
- Latest send tracked: 2 days ago — Synthesia is currently active.
How Synthesia stacks up in AI Tools & Companions.
Against the AI Tools & Companions field, Synthesia personalizes more than the median (100% vs 29%).
| Metric | Synthesia | AI Tools & Companions median | Read |
|---|---|---|---|
| Emoji in subject | 60% | 53% | ≈ niche |
| Personalization | 100% | 29% | 3.4× niche |
| Median subject length | 28 chars | 36 chars | 22% shorter |
| Median body length | 114 words | 131 words | 13% shorter |
Benchmarks computed from 129 emails across 17 AI Tools & Companions brands in the BadRep vault.
What Synthesia does on repeat.
Most-used email types
- 01Product Launch60%
- 02Re-engagement20%
- 03Free Trial20%
Most-used hook types
- 01Bold Claim40%
- 02Question40%
- 03Direct Offer20%
The last 6 months of Synthesia.
Latest send tracked: 2 days ago. Peak month was Aug 26 with 5 emails.
Synthesia email FAQ.
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Does Synthesia personalize its marketing emails?
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