Antigravity Capital
1 SANSOME STREET SUITE 1400-100A, San Francisco, CA, United States
Overview
Antigravity is a venture firm dedicated to AI-first startups rewriting how businesses are built from the ground up.
- Total investments
- 2
- Lead investments
- 0
- Investments · 12mo
- 2
- Active investors
- 0
Investment portfolio
- Respan
Participated · Seed · Mar 2026
Respan provides observability, evaluation, and gateway infrastructure for teams shipping multi-step AI agents, combining production tracing, logs, metrics, dashboards, alerts, automated evaluations, prompt experiments, dataset workflows, and routing across model providers. The platform is designed to help teams trace agent behavior, run offline and online evaluations, catch regressions, and optimize prompts and models over time. Respan reports more than 100 customers, processes over 1 billion logs and 2 trillion tokens per month, supports over 6.5 million end users, and achieved 8x year-over-year revenue growth in 2025. The company originated as Keywords AI focused on dynamic LLM routing, joined YC W24, and rebranded as Respan after shifting to observability and evaluations. Near-term plans emphasize scaling the team and investing in infrastructure, reliability, performance, and security. Longer-term, Respan aims to build self-driving observability that can identify issues, generate evaluations, suggest fixes, and prevent regressions before they reach users.
- Sentra.app
Participated · Seed · Feb 2026
Sentra.app is a San Francisco–based startup developing an enterprise general-intelligence platform that provides an organizational memory layer for companies. Its software captures and memorializes decisions in real time, then uses that information to automate status reporting, meeting decision capture, actionable reminders, and just-in-time onboarding through modular applications. By continuously aligning teams around institutional knowledge, the platform aims to reduce repetitive manual work and prevent information loss. Led by CEO Jae Gwan Park and CTO Andrey Starenky, the company positions its product as a way to boost operational efficiency and knowledge retention across distributed organizations. Sentra.app has raised $5 million in seed funding to accelerate product development and customer acquisition. The new capital strengthens its balance sheet as it scales engineering and go-to-market efforts.
Team
No current team members are available.