Perspective
Brand voice is the hardest problem in AI marketing
Anyone can generate copy. Making it sound like your brand (every time, at scale) is the real bar.
TL
The Locket Team
Product · May 10, 2026 · 4 min read
Voice
AI copy is cheap. Voice consistency is not. When your welcome email sounds warm and your winback sounds robotic, you've broken the brand, even if every message technically converts.
How Sophei locks your voice
- Reads your existing site copy, email archive, and social
- Extracts tonal markers: cadence, vocabulary, formality, humor
- Locks the voice into a profile Sophei evaluates every send against
- Rejects generations that drift outside the profile
The result: 300 emails a week that all sound like the same brand. Not because a human wrote every word, but because Sophei refuses to publish anything that doesn't sound like you.
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