Trajectory
Trajectory is a San Francisco company building a continual learning platform that retrains AI models on feedback from production use. It raised a $45 million Series A.
- Industry
- artificial intelligence
- Location
- San Francisco, CA, United States
- Website
- https://www.trajectory.ai
About
Trajectory builds a platform for continual learning. Businesses connect an open-weight model to their applications, the platform collects feedback on how the model performs, and Trajectory uses that feedback to retrain the model for specialized tasks. TechCrunch names Harvey, Rogo, Decagon, Mercor, and Nvidia as customers. citybiz calls the company San Francisco-based, so this page stores San Francisco. The company site is https://www.trajectory.ai.
TechCrunch published the round on November 2, 2026, Pacific time, so the round date is 2026-11-02. TechCrunch, ETEnterpriseAI, and the issue agree on a $45 million Series A at a $300 million valuation. $45,000,000 is stored. The issue also gives $60 million raised to date. No outside source read for this batch states that figure, so it is not stored.
Sequoia Capital led. Nvidia, Bessemer Venture Partners, and Bain Capital Ventures participated. The founders, Ronak Malde, Michael Elabd, and Arjun Karanam, do not have pages.
Funding history
| Round | Date | Amount | Lead |
|---|---|---|---|
| Series A 2026 | 2026-11-02 | $45M | Sequoia Capital |
Investors
- Sequoia Capital lead
- Nvidia participant
- Bessemer Venture Partners participant
- Bain Capital Ventures participant
Sources
Last verified:
- https://techcrunch.com/2026/11/02/trajectory-raises-45m-to-make-ai-model-training-accessible-to-nontechnical-experts/
Type: reputable publication. Accessed 2026-11-03.
TechCrunch, Marina Temkin, 3:13 PM PST, November 2, 2026. Says the 18-person company raised $45 million in a Series A at a $300 million valuation, led by Sequoia, with participation from Nvidia, Bessemer Venture Partners, and Bain Capital Ventures. Says it was founded about a year ago by three Stanford classmates. Does not state a total raised to date. - https://enterpriseai.economictimes.indiatimes.com/news/industry/ai-startup-trajectory-raises-45-million-in-sequoia-led-series-a-at-300-million-valuation/135485261
Type: reputable publication. Accessed 2026-11-03.
ETEnterpriseAI, published Nov 3, 2026 at 12:00 PM IST. Says Trajectory raised $45 million in a Series A led by Sequoia, with participation from Nvidia, Bessemer Venture Partners and Bain Capital Ventures, at a $300 million valuation. - https://www.citybiz.co/article/928378/trajectory-pushes-ai-self-learning-with-45m-funding-led-by-sequoia/
Type: reputable publication. Accessed 2026-11-03.
citybiz, November 3, 2026. Calls the company San Francisco-based Trajectory and reports the $45 million round led by Sequoia. - https://buttondown.com/raisetrack/archive/raise-track-update-2026-11-03/
Type: other verified public source. Accessed 2026-11-03.
Raise Track Update for 2026-11-03, Sections 1 and 2. Amount line $45M (Series A). Says led by Sequoia Capital with participation from Nvidia, Bessemer Venture Partners, and Bain Capital Ventures, at a $300M valuation. Also says total funding to date is $60M. No outside source read for this batch states that total, so it is not stored.