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1 / 3Trajectory raises $45 million from Sequoia to let lawyers and doctors post-train models×

The round

Trajectory, an 18-person startup founded about a year ago by three Stanford classmates, raised a $45 million Series A led by Sequoia at a $300 million valuation, with Nvidia, Bessemer and Bain Capital Ventures.

The platform

Its platform takes an open-weight model, connects it to a company's applications and keeps retraining it on feedback, with an interface for experts who do not write code.

The customers

Harvey and Rogo use it for legal and financial models; Decagon, Mercor and Nvidia are also customers. Co-founder Ronak Malde was among the Windsurf researchers Google DeepMind hired.

Sources and the full story

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Trajectory raises $45 million from Sequoia to let lawyers and doctors post-train models

Trajectory, an 18-person startup founded about a year ago by three Stanford classmates, raised a $45 million Series A led by Sequoia at a $300 million valuation, with Nvidia, Bessemer and Bain Capital Ventures. Its platform takes an open-weight model, connects it to a company's applications and keeps retraining it on feedback, with an interface for experts who do not write code. Harvey and Rogo use it for legal and financial models; Decagon, Mercor and Nvidia are also customers. Co-founder Ronak Malde was among the Windsurf researchers Google DeepMind hired. SourcesB

Sources

• BTrajectory raises $45M to make AI model training accessible to nontechnical experts (TechCrunch)techcrunch.com

This story ran in the Morning Brief of November 3rd 2026.