Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
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Mercury is a financial technology company providing business banking, credit cards, treasury, and API-based financial services to startups and SMBs. As of 2026, it serves over 100,000 customers and is valued at approximately $3.5B.
| Stage | Series C |
| IPO Status | Private |
| Valuation | $5.2B |
| Total Funding | $413M |
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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Mercury is valued at $5.2B. OpenAI is valued at $920.0B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.
Mercury has raised $413M. OpenAI has raised $65.4B.
Mercury is currently private. OpenAI is currently private. Track both on TechStackIPO for S-1 filings and IPO announcements.
Mercury operates in an undisclosed sector, while OpenAI operates in Artificial Intelligence.
Mercury is a private tech company valued at $5.2B with $413M 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 Mercury 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.