✦ AI AI Company Comparison

Circle vs OpenAI — IPO & Funding Comparison

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

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Data for Circle last verified: Jun 15, 2026. Data for OpenAI last verified: Jun 15, 2026.
Metric Circle OpenAI
Valuation$13.4B (Market Cap)$920.0B
Total Funding$1.95B$65.4B
IPO StatusPublicPre-IPO
SectorCrypto / Web3Artificial Intelligence
StagePublicPre-IPO
HeadquartersBoston, MASan Francisco, CA
CEOJeremy AllaireSam Altman
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Circle

Circle is the stablecoin infrastructure company behind USDC — the second-largest stablecoin with $45B+ in circulation and trusted by institutions globally. Valued at $13.4B as a public company (NYSE: CIRC) following its April 2025 SPAC merger, Circle has become one of the largest regulated dollar digital asset companies in the world. Major stablecoin IPO candidate driving institutional adoption of dollar stablecoins for global payments.

IndustryCrypto / Web3
StagePublic
IPO StatusPublic
Valuation$13.4B (Market Cap)
Total Funding$1.95B
HeadquartersBoston, MA

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$920.0B
Total Funding$65.4B
HeadquartersSan Francisco, CA

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Frequently Asked Questions

What are the valuations of Circle and OpenAI? +

Circle is valued at $13.4B (Market Cap). OpenAI is valued at $920.0B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.

How much has each company raised? +

Circle has raised $1.95B. OpenAI has raised $65.4B.

What is the IPO status of Circle and OpenAI? +

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

Are Circle and OpenAI in the same sector? +

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

What are the main differences between Circle and OpenAI? +

Circle is a Crypto / Web3 company valued at $13.4B (Market Cap) with $1.95B raised. OpenAI is a Artificial Intelligence company valued at $920.0B with $65.4B raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor data.

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

Accredited investors can access pre-IPO shares in Circle and OpenAI 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.