NextFin

OpenAI Leads with $64B Funding and $500B Valuation as IPO Talks Heat Up

Currently Raising Funds

OpenAI

  • Total Funding: $64B
  • Valuation: $500B
  • Funding Stage: Not specified for December
  • Context: OpenAI is the world’s most valuable private company as of October 2025, with over 500 million weekly users of ChatGPT and projected revenue of $13.5B for 2025. IPO discussions for H2 2026 are intensifying.

Anthropic

  • Total Funding: $37.7B
  • Valuation: $183B
  • Funding Stage: Series F ($13B raised in September 2025)
  • Context: Revenue run-rate reached $5.5B, with over 350,000 enterprise customers.

xAI

  • Total Funding: $18B+
  • Valuation: $200B
  • Funding Stage: Not specified
  • Context: Revenue is approaching $800M with a significant distribution advantage through platform integration.

Databricks

  • Total Funding: $4.2B
  • Valuation: $100B
  • Funding Stage: Not specified
  • Context: $4.3B in revenue with strong enterprise AI infrastructure, serving a large portion of Fortune 500 companies. Noted as a top IPO candidate for early 2026.

Recently Closed Funding Rounds

Figure AI

  • Total Funding: $2.5B+
  • Valuation: $45B
  • Amount Raised: $500M
  • Funding Stage: Recent financing round
  • Context: A 5-year deal with Mercedes-Benz for 50,000 units is driving valuation growth.

Perplexity AI

  • Total Funding: $1.8B+
  • Valuation: $22B
  • Amount Raised: $300M
  • Funding Stage: Recent round
  • Context: Monthly queries increased to 850M, indicating significant growth and competitive positioning in AI search.

Funding Trends Highlights

  • Six funding rounds over $1B occurred in Q4 2025 alone.
  • Strong investor appetite for enterprise AI companies with proven revenues.
  • Multiple AI unicorns preparing for IPOs reflect growing market interest.

This summary encapsulates the critical funding details for key AI startups in December 2025, providing insights into their financial statuses and strategic movements in the market.

Explore more exclusive insights at nextfin.ai.