✦ AI AI Company Comparison

Linear 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 Linear last verified: Jun 22, 2026. Data for OpenAI last verified: Jun 22, 2026.
Metric Linear OpenAI
Valuation$1.2B$920.0B
Total Funding$232.2M$65.4B
IPO StatusPre-IPOPrivate
SectorEnterprise SoftwareArtificial Intelligence
StageSeries CPre-IPO
HeadquartersSan Francisco, CASan Francisco, CA
CEOTuomas ArtmanSam Altman
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Linear

Linear is the modern project management tool built for speed and used by the world fastest software engineering teams at companies like Vercel, Mercury, and Ramp. Valued at $1.25B with $35M raised, Linear has become the de facto standard for engineering-focused teams who find Jira bloated and slow. Major productivity SaaS IPO candidate as AI-powered project management tools transform how software teams work.

IndustryEnterprise Software
StageSeries C
IPO StatusPre-IPO
Valuation$1.2B
Total Funding$232.2M
HeadquartersSan Francisco, CA

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

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Frequently Asked Questions

What are the valuations of Linear and OpenAI? +

Linear is valued at $1.2B. OpenAI is valued at $920.0B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.

How much has each company raised? +

Linear has raised $232.2M. OpenAI has raised $65.4B.

What is the IPO status of Linear and OpenAI? +

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

Are Linear and OpenAI in the same sector? +

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

What are the main differences between Linear and OpenAI? +

Linear is a Enterprise Software company valued at $1.2B with $232.2M raised. OpenAI is a Artificial Intelligence company valued at $920.0B with $65.4B raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor data.

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

Accredited investors can access pre-IPO shares in Linear 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.