Are you on Lounge?5 members·5 free·0 paid·1 online now+5 joined this weekInvite a builder

AI Deals › Venture

VentureOct 20 · Stanford HAI · AI Index 2026

Mercor raises a $350M Series C at a $10B valuation

Mercor, which connects AI labs with domain experts who produce training data for frontier models, raised a $350 million Series C in October 2025 at a $10 billion valuation. (Per the Stanford AI Index 2026 timeline.)

Companies mentioned

Mercor

0Share to feed

Paid members see the full deals desk — every AI round and exit, filterable by type, sector and country, with investors and reported ARR, plus CSV exports. Developer membership is $9/mo.

See plans →Log in

Discussion · 0

Create a free account to join the discussion.

Every AI deal, decoded — free for members

Members get unlimited reads, can save and upvote, and see who else is building in the same space. Launch beta: free accounts created before Oct 20 get every paid feature — 95 of 100 slots left.

Create your free account Log in