✦ AI AI Company Comparison

OpenAI vs OpenSea — IPO & Funding Comparison

Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.

● Data current Last verified: May 12, 2026
Metric OpenAI OpenSea
Valuation$852B$1.4B (est.)
Total Funding$55.4B$427M
IPO StatusPre-IPOPre-IPO
SectorArtificial IntelligenceCrypto / Web3
StagePre-IPOSeries C
HeadquartersSan Francisco, CANew York, NY
CEOSam AltmanDevin Finzer
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OpenAI

OpenAI is valued at $852B — the world's most valuable AI company, backed by $27B in funding. Track IPO readiness score, funding rounds, and timeline.

IndustryArtificial Intelligence
StagePre-IPO
IPO StatusPre-IPO
Valuation$852B
Total Funding$55.4B
HeadquartersSan Francisco, CA

OpenSea

World's largest NFT marketplace for buying, selling, and discovering digital assets.

IndustryCrypto / Web3
StageSeries C
IPO StatusPre-IPO
Valuation$1.4B (est.)
Total Funding$427M
HeadquartersNew York, NY

Frequently Asked Questions

What are the valuations of OpenAI and OpenSea? +

OpenAI is valued at $852B. OpenSea is valued at $1.4B (est.). Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.

How much has each company raised? +

OpenAI has raised $55.4B. OpenSea has raised $427M.

What is the IPO status of OpenAI and OpenSea? +

OpenAI is currently pre-IPO. OpenSea is currently pre-IPO. Track both on TechStackIPO for S-1 filings and IPO announcements.

Are OpenAI and OpenSea in the same sector? +

OpenAI operates in Artificial Intelligence, while OpenSea operates in Crypto / Web3.

What are the main differences between OpenAI and OpenSea? +

OpenAI is a Artificial Intelligence company valued at $852B with $55.4B raised. OpenSea is a Crypto / Web3 company valued at $1.4B (est.) with $427M raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor data.

How can I invest in OpenAI or OpenSea before their IPO? +

Accredited investors can access pre-IPO shares in OpenAI and OpenSea through secondary market platforms, pre-IPO funds, and broker-dealer platforms that facilitate private company transactions. TechStackIPO's marketplace section tracks available access options for both companies. Pre-IPO investments carry higher risk and limited liquidity.