Series A · 2026-11-02 · AI
Trajectory raises $45.0M
78
AI Score
Amount
$45.0M
Round
Series A
Lead
Sequoia
HQ
—
Why it matters: The round and its backers show where investors see demand for post-training tools that let domain experts tune open source models without in-house research teams.
Trajectory, an 18-person startup founded by three Stanford classmates, raised a $45 million Series A led by Sequoia at a $300 million valuation.
- Participants:
- Nvidia, Bessemer Venture Partners, Bain Capital Ventures
- Source:
- TechCrunch Venture ↗ · Midu summary
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