Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
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Replit is the AI-native coding platform trusted by 50M+ developers to build, test, and deploy applications from browser to cloud. Valued at $12B with $522M raised, Replit crossed $150M in ARR and raised $250M at a $3B valuation in September 2025 — now targeting IPO as the leading AI coding platform competing with GitHub Copilot and Cursor.
| Industry | Artificial Intelligence |
| Stage | Pre-IPO |
| IPO Status | Private |
| Valuation | $12B |
| Total Funding | $822M |
| Headquarters | San Francisco, CA |
Sierra is the AI customer service platform built by former Google and Salesforce executives, enabling enterprises to deploy AI agents for customer support. Valued at $4.5B with $220M raised, Sierra counts Nest, Sirius XM, and other major brands as customers and competes with Zendesk and Salesforce Service Cloud. IPO candidate as AI-native customer service replaces traditional call centers — a $100B+ market.
| Industry | Artificial Intelligence |
| Stage | Series B |
| IPO Status | Pre-IPO |
| Valuation | $4.5B |
| Total Funding | $785M |
| Headquarters | San Francisco, CA |
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Replit is valued at $12B. Sierra is valued at $4.5B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.
Replit has raised $822M. Sierra has raised $785M.
Replit is currently private. Sierra is currently pre-IPO. Track both on TechStackIPO for S-1 filings and IPO announcements.
Replit operates in Artificial Intelligence, while Sierra operates in Artificial Intelligence.
Replit is a Artificial Intelligence company valued at $12B with $822M raised. Sierra is a Artificial Intelligence company valued at $4.5B with $785M 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 Replit and Sierra 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.