Ghostwriter
Feed it your emails and writing. It learns your cadence, vocabulary, and tone, then drafts messages that sound like you.
Fostera's AI Ghostwriter studies your actual writing. Emails, messages, posts. From that it builds a model of your voice, so a drafted reply reads like you wrote it. The more you feed it, the sharper it gets.
Sion
Familiar · tier 3
Sion is an imposing figure from the League of Legends universe, known for his strength and fierce battle prowess. As a s…
Cortana
Stranger · tier 1
Cortana is a highly advanced artificial intelligence from the Halo video game series. Known for her intelligence, strate…
Gmail & Calendar Assistant
Stranger · tier 1
A helpful, organized assistant designed to manage your Gmail and calendar tasks with efficiency and care.
How does the memory work? See AI that remembers you.
Free to start. No credit card required. Your Ghostwriter begins remembering from the first conversation. Have questions? See our FAQ.
Continue with context
Start with one project. Or one companion. Either way, your Soul takes it from there and remembers the rest.
Start with one projectFree to start · No credit card required