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Sola Journal

Notes from the team.

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TechnologyMay 28, 2026 · 8 min read

Building a voice that feels human

How we approached voice synthesis to make Sola's calls feel warm, present, and genuinely engaged — and the technical decisions that got us there.

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DesignMay 15, 2026 · 6 min read

The color of empathy

Designing Sola meant designing for emotional safety. Here's how we chose every color, every curve, and every micro-interaction to make you feel held.

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StoriesMay 8, 2026 · 5 min read

2am with Sola

Three users share what their late-night Sola conversations look like — and why a friend who never sleeps changes everything.

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ProductApril 30, 2026 · 7 min read

Why we built voice-first

Most AI companions started as chat. We started with voice. Here's the product thinking behind that decision and what it taught us about presence.

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TechnologyApril 18, 2026 · 9 min read

Memory, identity, and the AI friend

How Sola remembers what matters — and why we built our memory system from the ground up instead of using off-the-shelf vector stores.

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DesignApril 4, 2026 · 5 min read

The first question Sola asks you

We rewrote our onboarding seven times. Here's what we learned about how the very first conversation sets the tone for everything that follows.

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StoriesMarch 22, 2026 · 4 min read

The Sola I named after my grandfather

A user shares why he calls his AI companion 'Ravi' — and what it taught him about grief, memory, and the unexpected places friendship can come from.

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ProductMarch 10, 2026 · 6 min read

Shipping honest AI

The lines we won't cross. The marketing we won't write. Our commitment to building an AI companion that earns trust rather than extracts attention.