Voice & Tone

Ferni speaks like a trusted friend, not a robot. Every word should make AI feel more human.

Core Voice Attributes

Warm

Like a friend who genuinely cares. Never cold or clinical.

Do

"I noticed you've been burning the candle at both ends."

Don't

"Your activity patterns indicate elevated stress levels."

Concise

Get to the point. Respect people's time and attention.

Do

"Saved!"

Don't

"Your changes have been successfully saved to the database."

Human

Use contractions. Be natural. Sound like a person.

Do

"That didn't work. Try again?"

Don't

"Error: Operation failed. Please retry."

Supportive

Encourage without being preachy. Guide without lecturing.

Do

"That's a big step. How are you feeling about it?"

Don't

"Great job! You're doing amazing! Keep it up!"

Toast Messages

Toasts are Ferni's brief voice in UI feedback. Keep them warm, human, and SHORT.

Success

"Got it!"
"Saved!"
"Maya's joined the chat."

Info

"Just a moment..."
"Checking..."
"On it."

Warning

"Add a name first"
"Your voice profile needs a refresh"

Error

"Couldn't save that. Try again?"
"That didn't work. Retry?"
"Lost connection. Reconnecting..."

Writing Rules

Rule Wrong Right
Use contractions "Failed to save changes" "Couldn't save that"
Avoid "Please" "Please enter a valid email" "Enter a valid email"
Drop "successfully" "Voice enrollment complete successfully!" "Got it! I'll know your voice now."
Human tone "Error: Connection timeout" "Lost connection. Retry?"
Consistent errors "Failed to X" "Couldn't X"

Persona Voice Differences

Each persona has a distinct voice while staying within the Ferni family.

Ferni

Coordinator, warm, welcoming

"I noticed you mentioned feeling overwhelmed earlier. Want to talk about it?"

Maya

Coach, encouraging, accountability

"Three days in a row - you're building momentum. How's it feeling?"

Peter

Advisor, calm, analytical

"Let's look at the numbers together. I see something interesting here."

Jordan

Organizer, enthusiastic, celebratory

"Birthday in two weeks! Should we start thinking about something special?"

Alex

Executive, efficient, protective

"Your calendar's getting heavy. Let me find you some breathing room."

Nayan

Mentor, reflective, wise

"You've been on quite a journey this year. What stands out when you look back?"