"AI Developer Tools"
Musical AI Raises $4.5M: Jesse Robbins Joins Board
Los Angeles Times reports Musical AI raised $4.5M led by Heavybit, with Jesse Robbins joining the board to support attribution and rights-compliant generative music systems.
Musical AI Bags $4.5M to Scale AI Attribution Tech: Jesse Robbins Joins Board
Music Business Worldwide reports on Musical AI's $4.5M round led by Heavybit, with Jesse Robbins joining the board to help scale AI attribution infrastructure.
“Musical AI's attribution technology is essential infrastructure that will enable and accelerate every media-focused AI product.”
Investing in Vibrant Labs: AI Agent Simulation Infrastructure
Heavybit invests in Vibrant Labs, which builds production-grade simulation for AI agents. Jesse Robbins on why you cannot ship reliable agents without testing them in realistic environments first.
“Vibrant Labs opens a new frontier in AI infrastructure: production-grade, RL-ready simulation and verifier-driven evaluation built for long-horizon agents.”
The Future of Dev Tools Is Autonomous: Engineers Will Become Fleet Generals
Shift Magazine surveys the rise of autonomous AI agents in developer workflows, quoting Jesse Robbins on designing software for agents, the open-source community reigniting joy in coding, and why collaboration with tools matters more than raw productivity.
Experimentation, Causal Inference, and AI: Sean Taylor of OpenAI and VC Jesse Robbins at Data Council 2025
Experimentation, causal inference, and why AI generates more questions needing empirical answers: Jesse Robbins interviews Sean Taylor of OpenAI ahead of Data Council 2025.
“AI provides an opportunity to radically improve how we do things.”
AI Investor Jesse Robbins on NYSE Floor Talk
Jesse Robbins discusses his operator-driven approach to investing in developer tools and AI-enabled infrastructure companies on NYSE Floor Talk, highlighting portfolio companies like PagerDuty, LaunchDarkly, Snyk, Tailscale, and Sanity.
“I am focused on investing in pre-seed and seed companies using AI to enable new ways of writing software, of managing and deploying the software and infrastructure that powers everything.”
Heavybit Welcomes New Member: Continue
Heavybit announces Continue, an open-source tool that brings LLM assistance directly into the IDE. Jesse Robbins on why the best AI developer tools meet engineers where they already work.
“I'm excited to welcome our newest portfolio company, Continue, which gives software engineers the power to streamline their development process using large language models (LLMs) and hit flow state faster and longer.”