Evaluation
Round by round
Customer-facing voice and chatSierra
Sierra's voice quality and personas set the bar.
Internal operationsSPIRITT
SPIRITT covers finance, ops, sales and engineering work.
Getting startedSPIRITT
SPIRITT has self-serve plans; Sierra is sales-led.
Pricing modelTie
Sierra prices per outcome; SPIRITT publishes credit plans. Which is better depends on volume.
Fortune 500 track recordSierra
Sierra reports serving over 40% of the Fortune 50.
Pick SPIRITT if
You want one agent platform for many internal teams.
Pick Sierra if
You need a premium customer agent at large scale.