✦ AI AI Company Comparison

Gusto 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 Gusto last verified: May 20, 2026. OpenAI: verified May 24, 2026.
Metric Gusto OpenAI
Valuation$9.5B$852B
Total Funding$746M$55.4B
IPO StatusPrivatePre-IPO
SectorHR TechnologyArtificial Intelligence
StagePre-IPOPre-IPO
HeadquartersSan Francisco, CASan Francisco, CA
CEOJosh ReevesSam Altman
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Gusto

Full-service HR, payroll, and benefits platform for small and medium businesses.

IndustryHR Technology
StagePre-IPO
IPO StatusPrivate
Valuation$9.5B
Total Funding$746M
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 Gusto and OpenAI? +

Gusto is valued at $9.5B. 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? +

Gusto has raised $746M. OpenAI has raised $55.4B.

What is the IPO status of Gusto and OpenAI? +

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

Are Gusto and OpenAI in the same sector? +

Gusto operates in HR Technology, while OpenAI operates in Artificial Intelligence.

What are the main differences between Gusto and OpenAI? +

Gusto is a HR Technology company valued at $9.5B with $746M 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 Gusto or OpenAI before their IPO? +

Accredited investors can access pre-IPO shares in Gusto 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.