✦ AI AI Company Comparison

OpenAI vs Tabnine — IPO & Funding Comparison

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

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OpenAI: verified May 26, 2026. Data for Tabnine last verified: never.
Metric OpenAI Tabnine
Valuation$852B$500M
Total Funding$55.4BFunding undisclosed
IPO StatusPre-IPOPre-IPO
SectorArtificial Intelligence
StagePre-IPOSeries D+
HeadquartersSan Francisco, CA
CEOSam Altman
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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

Tabnine

Tabnine is the AI-powered code completion platform providing enterprise-grade AI code suggestions that respect company-specific coding standards, security policies, and proprietary code patterns. Valued at 1.3B USD with 200M raised, Tabnine serves 1M+ developers at major enterprises globally. Major AI dev tools IPO candidate as enterprise AI coding adoption grows beyond individual developers.

StageSeries D+
IPO StatusPre-IPO
Valuation$500M
Total FundingFunding undisclosed

Frequently Asked Questions

What are the valuations of OpenAI and Tabnine? +

OpenAI is valued at $852B. Tabnine is valued at $500M. 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. Tabnine has raised Funding undisclosed.

What is the IPO status of OpenAI and Tabnine? +

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

Are OpenAI and Tabnine in the same sector? +

OpenAI operates in Artificial Intelligence, while Tabnine operates in an undisclosed sector.

What are the main differences between OpenAI and Tabnine? +

OpenAI is a Artificial Intelligence company valued at $852B with $55.4B raised. Tabnine is a private tech company valued at $500M with Funding undisclosed 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 Tabnine before their IPO? +

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