# JustAI

> JustAI (formerly Just Words, legally Choice AI Inc.) is a San Francisco AI-native marketing platform that turns lifecycle content into an always-on experimentation engine. Its AI agents - strategy, creative, decisioning and data - predict high-value moments, generate on-brand message variants across email, SMS and push, test them against real users, and shift traffic to the winners while compounding learnings across campaigns. Founded in 2024 by Neha Mittal (ex-Twitter and Pinterest growth lead) and Jeff Hara, the company graduated from Y Combinator's Winter 2024 batch and works with consumer brands including Grammarly, ClickUp, Notion, Lemonade, Coursera and Thumbtack.

- **Founded:** 2024
- **Headquarters:** San Francisco, California, United States
- **Founders:** Neha Mittal (CEO & Co-founder), Jeff Hara (Co-founder)
- **Team size:** Roughly 4-16 employees (YC lists 4; Apollo data lists 16 as the company scaled post-Series A).
- **Products:** Strategy Agent, Creative Agent, Decisioning Agent, Data Agent, JustAI Platform
- **Notable:** Graduated from Y Combinator's Winter 2024 batch., Raised a $17M Series A led by Base10 Partners (June 2026)., Reported 5x annual recurring revenue growth in a single year.

## Products & services

- **Strategy Agent** — Predicts customer cohorts and identifies high-leverage moments to reach them across the lifecycle.
- **Creative Agent** — Generates conversion-ready, on-brand content and HTML across channels, matched to each segment's voice.
- **Decisioning Agent** — Runs real-time channel selection and variant testing, automatically shifting traffic toward top performers.
- **Data Agent** — Autonomously surfaces insights from campaign data so teams can see what resonated and why.
- **JustAI Platform** — An AI-native lifecycle marketing platform unifying strategy, creative, decisioning and data agents across email, SMS, push and landing pages, using reinforcement learning and causal inference to compound gains over time.

## Achievements

- Graduated from Y Combinator's Winter 2024 batch.
- Raised a $17M Series A led by Base10 Partners (June 2026).
- Reported 5x annual recurring revenue growth in a single year.
- Reported influencing over $100M in customer revenue and delegating 600+ marketing decisions to AI agents monthly.
- Reported compounding Grammarly's growth by 16% through automated lifecycle content optimization.
- Rebranded from Just Words to JustAI after 2,000+ marketer conversations.

## Latest updates

- **2026-06** — Raised $17M Series A led by Base10 Partners, with Y Combinator, Peak XV and operators from Anthropic, Chime, HubSpot, Eppo and Vapi participating.
- **2026-06** — Reported 5x ARR growth and plans to expand engineering and go-to-market, deepen agentic infrastructure, and extend beyond consumer into e-commerce and B2B.
- **2025-10** — Rebranded from Just Words to JustAI, positioning as an AI-first agentic marketing platform.
- **2024-08** — Closed $1.7M seed round from Peak XV Partners and Y Combinator.

## Links

- Website: https://getjust.ai
- LinkedIn: https://www.linkedin.com/company/getjustai
- Twitter/X: https://x.com/justwordsai
- YouTube: https://www.youtube.com/@the-ai-marketer-podcast

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Profile page: https://yespress.io/justai
Published by YesPress — https://yespress.io
Last updated: 2026-08-04