Tech Brief 2026-11-03

Trajectory Raises $45 Million Series A — "Fine-Tuning/Continual Learning Automation for Non-Engineers" Category Funded by Sequoia + NVIDIA

Trajectory (18 people, founders from Stanford/DeepMind/Apple) has raised a $45 million Series A at a $300 million valuation, led by Sequoia and joined by NVIDIA, Bessemer, and Bain Capital Ventures. Its product: a platform that makes AI models learn from feedback and keep improving on specialist tasks without…

Trajectory (18 people, founders from Stanford/DeepMind/Apple) has raised a $45 million Series A at a $300 million valuation, led by Sequoia and joined by NVIDIA, Bessemer, and Bain Capital Ventures.

Its product: a platform that makes AI models learn from feedback and keep improving on specialist tasks without an internal research team — target market: law and finance firms that today have to hire "forward-deployed engineers" to tune models.

Competitors named: Thinking Machines Lab (Tinker), Applied Compute ($3.25 billion last month), Prime Intellect.

- **Why it matters:** Major capital (Sequoia + NVIDIA) is going into tes…