Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
Scores, valuations, and signals for Klarna, OpenAI, and 370+ companies. 5-min read every Tuesday.
Klarna IPO'd on NYSE (KLAR) on Sept 10, 2025 at $40/share ($15.1B valuation). Europe's BNPL leader with 111M+ active consumers and 500K+ retail partners. Stock at $13.99 (Apr 2026), down 65% from IPO.
| Industry | Fintech |
| Stage | Public |
| IPO Status | Public |
| Valuation | $5.52B |
| Total Funding | $4.6B |
| Headquarters | Stockholm, Sweden |
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 |
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Klarna is valued at $5.52B. OpenAI is valued at $920.0B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.
Klarna has raised $4.6B. OpenAI has raised $65.4B.
Klarna is currently already public. OpenAI is currently private. Track both on TechStackIPO for S-1 filings and IPO announcements.
Klarna operates in Fintech, while OpenAI operates in Artificial Intelligence.
Klarna is a Fintech company valued at $5.52B with $4.6B 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.
Accredited investors can access pre-IPO shares in Klarna 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.