# Mercor Valuation Doubles with $750M Series D

> AI startup Mercor hits $20 billion valuation after $750 million Series D funding round to train and test AI agents.
- Title: Mercor Valuation Doubles with $750M Series D · AI Insider
- Summary: AI startup Mercor hits $20 billion valuation after $750 million Series D funding round to train and test AI agents.
- Keywords: mercor, series d, ai agents, funding round, capital markets, ai training, AI Insider
- Source: AI Insider — https://theaiinsider.tech/2026/11/11/mercor-hits-20b-valuation-after-750m-series-d-to-train-and-test-ai-agents
- Author: James Dargan
- Published: 2026-11-11T08:04:09+00:00
- Read time: 1 min
- Topics: mercor, series d, ai agents, funding round, capital markets, ai training, ai, technology
## Mercor Secures $750M Series D
AI training startup Mercor has secured $750 million in a Series D funding round that values the company at $20 billion.
## AI Agents for Professional Tasks
The San Francisco-based company connects technology companies with subject-matter experts to train and test AI models and agents.
## Valuation Doubles to $20B
The latest valuation roughly doubles the approximately $10 billion figure Mercor reached after raising $350 million in October 2025.
## Key takeaway

AI training startup Mercor achieved $20 billion valuation following $750 million Series D funding to develop AI agents for professional tasks.