xAI, 2024-05-26; retrieved 2026-09-15 tier 3 self (xai)confirmed

Series B funding round

Third-party primary document (a frontier developer's own funding post), typed self per repo precedent. Fetched 2026-09-15; span 'with participation from key investors including Valor Equity Partners, Vy Capital, Andreessen Horowitz, Sequoia Capital' present. Establishes Sequoia Capital as an investor in a frontier developer for F.4/G.3.

Signals citing this source

Irregular (formerly Pattern Labs), F (against): $80M raised in 2025 at a $450M valuation, led by Sequoia and Redpoint; Sequoia is also a major OpenAI investor.

Ledger rows citing this URL

none