Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
Scores, valuations, and signals for OpenAI, Tailscale, and 370+ companies. 5-min read every Tuesday.
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.
| Industry | Artificial Intelligence |
| Stage | Pre-IPO |
| IPO Status | Private |
| Valuation | $920.0B |
| Total Funding | $65.4B |
| Headquarters | San Francisco, CA |
Tailscale is the mesh networking platform providing zero-trust private networks for developers and enterprises, the modern VPN alternative that connects devices across any cloud, office, or home network. Valued at 1B USD with 100M raised, Tailscale has 1M+ active nodes and is used by thousands of engineering teams at Fortune 500 companies. Major defensetech IPO candidate as zero-trust networking replaces traditional VPN infrastructure for every remote and hybrid organization.
| Industry | Cybersecurity |
| Stage | Series B |
| IPO Status | Private |
| Valuation | $1B |
| Total Funding | $115M |
| Headquarters | Toronto, Canada |
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OpenAI is valued at $920.0B. Tailscale is valued at $1B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.
OpenAI has raised $65.4B. Tailscale has raised $115M.
OpenAI is currently private. Tailscale is currently private. Track both on TechStackIPO for S-1 filings and IPO announcements.
OpenAI operates in Artificial Intelligence, while Tailscale operates in Cybersecurity.
OpenAI is a Artificial Intelligence company valued at $920.0B with $65.4B raised. Tailscale is a Cybersecurity company valued at $1B with $115M raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor data.
Accredited investors can access pre-IPO shares in OpenAI and Tailscale 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.