✦ AI AI Company Comparison

Mercury vs OpenAI — IPO & Funding Comparison

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

● Data current Last verified: May 24, 2026
Metric Mercury OpenAI
Valuation$1.6B$852B
Total Funding$163M$55.4B
IPO StatusPre-IPOPre-IPO
SectorFintechArtificial Intelligence
StageSeries BPre-IPO
HeadquartersSan Francisco, CASan Francisco, CA
CEOImmad AkhundSam Altman
The IPO Stack Newsletter

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

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

Mercury

Banking platform designed for startups with powerful financial tools and no monthly fees.

IndustryFintech
StageSeries B
IPO StatusPre-IPO
Valuation$1.6B
Total Funding$163M
HeadquartersSan Francisco, CA

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 Mercury and OpenAI? +

Mercury is valued at $1.6B. 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? +

Mercury has raised $163M. OpenAI has raised $55.4B.

What is the IPO status of Mercury and OpenAI? +

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

Are Mercury and OpenAI in the same sector? +

Mercury operates in Fintech, while OpenAI operates in Artificial Intelligence.

What are the main differences between Mercury and OpenAI? +

Mercury is a Fintech company valued at $1.6B with $163M 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 Mercury or OpenAI before their IPO? +

Accredited investors can access pre-IPO shares in Mercury 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.