✦ AI AI Company Comparison

OpenAI vs Synthesia — IPO & Funding Comparison

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

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Some data on this page may be outdated. We're verifying.
OpenAI: verified May 24, 2026. Data for Synthesia last verified: May 21, 2026.
Metric OpenAI Synthesia
Valuation$852B$4B
Total Funding$55.4B$536M
IPO StatusPre-IPOPre-IPO
SectorArtificial IntelligenceAI Video / Enterprise SaaS
StagePre-IPOSeries E
HeadquartersSan Francisco, CALondon, UK
CEOSam AltmanVictor Riparbelli
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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

Synthesia

Enterprise AI video platform using realistic avatars for training, communications, and marketing.

IndustryAI Video / Enterprise SaaS
StageSeries E
IPO StatusPre-IPO
Valuation$4B
Total Funding$536M
HeadquartersLondon, UK

Frequently Asked Questions

What are the valuations of OpenAI and Synthesia? +

OpenAI is valued at $852B. Synthesia is valued at $4B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.

How much has each company raised? +

OpenAI has raised $55.4B. Synthesia has raised $536M.

What is the IPO status of OpenAI and Synthesia? +

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

Are OpenAI and Synthesia in the same sector? +

OpenAI operates in Artificial Intelligence, while Synthesia operates in AI Video / Enterprise SaaS.

What are the main differences between OpenAI and Synthesia? +

OpenAI is a Artificial Intelligence company valued at $852B with $55.4B raised. Synthesia is a AI Video / Enterprise SaaS company valued at $4B with $536M raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor data.

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

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