Trajectory Secures $40M Funding, Valuation Reaches $300M With Sequoia Backing

AI infrastructure startup Trajectory raises $40M at $300M valuation. Led by ex-Google/Apple researchers, it focuses on open-source model customization and Agent Harness toolchain optimization.

Woofun AI reports that AI infrastructure startup Trajectory has completed a $40 million financing round, establishing a post-investment valuation of $300 million. Sequoia Capital participated in the investment, while the specific round designation and other backers remain undisclosed. Founded by former researchers from Google and Apple, Trajectory provides services for customizing open-source AI models to meet specific operational requirements. The company also optimizes software toolchains supporting AI Agent operations through its 'Agent Harness' framework. This development addresses rising costs associated with closed-source large models, as enterprises increasingly seek cost-effective alternatives via fine-tuning and improved Agent execution frameworks.