✦ AI AI Company Comparison

OpenAI vs Temporal — 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Some data on this page may be outdated.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 15, 2026. Temporal: verified Jun 16, 2026.
Metric OpenAI Temporal
Valuation$920.0B$3.2B
Total Funding$65.4B$420M
IPO StatusPre-IPOPre-IPO
SectorArtificial IntelligenceEnterprise Software
StagePre-IPOSeries B
HeadquartersSan Francisco, CABellevue, WA
CEOSam AltmanMaxim Fateev
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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$920.0B
Total Funding$65.4B
HeadquartersSan Francisco, CA

Temporal

Temporal is the open-source workflow orchestration platform for building durable distributed applications — the modern workflow engine for microservices and long-running business processes. Valued at $3.2B with $380M raised, Temporal has become the standard for durable execution in cloud-native applications. Major developer tools IPO candidate as workflow orchestration becomes central to AI agent and automation infrastructure.

IndustryEnterprise Software
StageSeries B
IPO StatusPre-IPO
Valuation$3.2B
Total Funding$420M
HeadquartersBellevue, WA

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Frequently Asked Questions

What are the valuations of OpenAI and Temporal? +

OpenAI is valued at $920.0B. Temporal is valued at $3.2B. 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. Temporal has raised $420M.

What is the IPO status of OpenAI and Temporal? +

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

Are OpenAI and Temporal in the same sector? +

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

What are the main differences between OpenAI and Temporal? +

OpenAI is a Artificial Intelligence company valued at $920.0B with $65.4B raised. Temporal is a Enterprise Software company valued at $3.2B with $420M 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 Temporal before their IPO? +

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