✦ AI AI Company Comparison

Circle vs OpenAI — IPO & Funding Comparison

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

⚠️
Some data on this page may be outdated. We're verifying.
Data for Circle last verified: May 21, 2026. OpenAI: verified May 26, 2026.
Metric Circle OpenAI
Valuation$13.4B (Market Cap)$852B
Total Funding$1.95B$55.4B
IPO StatusPublicPre-IPO
SectorCrypto / Web3Artificial Intelligence
StageRecent IPOPre-IPO
HeadquartersBoston, MASan Francisco, CA
CEOJeremy AllaireSam Altman
The IPO Stack Newsletter

Get Tuesday's IPO moves + one deep-dive in your inbox

Scores, valuations, and signals for Circle, OpenAI, and 370+ companies. 5-min read every Tuesday.

Circle

Fintech company issuing USDC stablecoin and building blockchain payment infrastructure.

IndustryCrypto / Web3
StageRecent IPO
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$852B
Total Funding$55.4B
HeadquartersSan Francisco, CA

Frequently Asked Questions

What are the valuations of Circle and OpenAI? +

Circle is valued at $13.4B (Market Cap). OpenAI is valued at $852B. 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 $55.4B.

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 $852B with $55.4B 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.