✦ AI AI Company Comparison

Amplitude 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 Amplitude OpenAI
Valuation$1.5B$852B
Total Funding$336M$55.4B
IPO StatusPublicPre-IPO
SectorEnterprise SoftwareArtificial Intelligence
StagePublicPre-IPO
HeadquartersSan Francisco, CASan Francisco, CA
CEOSpenser SkatesSam Altman
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Amplitude

Product analytics platform helping companies understand how users behave in their products.

IndustryEnterprise Software
StagePublic
IPO StatusPublic
Valuation$1.5B
Total Funding$336M
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 Amplitude and OpenAI? +

Amplitude is valued at $1.5B. 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? +

Amplitude has raised $336M. OpenAI has raised $55.4B.

What is the IPO status of Amplitude and OpenAI? +

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

Are Amplitude and OpenAI in the same sector? +

Amplitude operates in Enterprise Software, while OpenAI operates in Artificial Intelligence.

What are the main differences between Amplitude and OpenAI? +

Amplitude is a Enterprise Software company valued at $1.5B with $336M 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 Amplitude or OpenAI before their IPO? +

Accredited investors can access pre-IPO shares in Amplitude 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.