✦ AI AI Company Comparison

OpenAI vs Stability AI — 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Some data on this page may be outdated.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.
Data for OpenAI last verified: Jun 22, 2026. Data for Stability AI last verified: Jun 22, 2026.
Metric OpenAI Stability AI
Valuation$920.0B$1B
Total Funding$65.4B$431M
IPO StatusPrivatePre-IPO
SectorArtificial IntelligenceArtificial Intelligence
StagePre-IPOSeed
HeadquartersSan Francisco, CALondon, UK
CEOSam AltmanPrem Akkaraju
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OpenAI

OpenAI is valued at $920B — the world's most valuable AI company, backed by over $65B in funding. The company recently restructured as a Public Benefit Corporation to support its mission of developing safe AGI.

IndustryArtificial Intelligence
StagePre-IPO
IPO StatusPrivate
Valuation$920.0B
Total Funding$65.4B
HeadquartersSan Francisco, CA

Stability AI

Stability AI is the open-source AI company behind Stable Diffusion, the most downloaded open-source AI model ever with 50M+ downloads and the foundation for dozens of commercial AI products globally. Valued at 1B USD with 125M raised, Stability AI expanded into Stable Audio, Stable Video, and enterprise API products. Major AI IPO candidate as open-source AI models continue to power the most innovative AI applications globally.

IndustryArtificial Intelligence
StageSeed
IPO StatusPre-IPO
Valuation$1B
Total Funding$431M
HeadquartersLondon, UK

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Frequently Asked Questions

What are the valuations of OpenAI and Stability AI? +

OpenAI is valued at $920.0B. Stability AI is valued at $1B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.

How much has each company raised? +

OpenAI has raised $65.4B. Stability AI has raised $431M.

What is the IPO status of OpenAI and Stability AI? +

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

Are OpenAI and Stability AI in the same sector? +

OpenAI operates in Artificial Intelligence, while Stability AI operates in Artificial Intelligence.

What are the main differences between OpenAI and Stability AI? +

OpenAI is a Artificial Intelligence company valued at $920.0B with $65.4B raised. Stability AI is a Artificial Intelligence company valued at $1B with $431M 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 Stability AI before their IPO? +

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