Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
Scores, valuations, and signals for OpenAI, Together AI, 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 |
Together AI operates the AI Acceleration Cloud enabling companies to train and run inference on open-source AI models — DeepSeek, Llama, Mistral — on high-performance GPU clusters. Valued at $3.3B with $534M raised, Together AI hit $300M ARR by September 2025 and serves Fortune 100 clients alongside fast-growing AI startups. Major AI infrastructure IPO candidate competing with CoreWeave and AWS for the $100B+ GPU cloud market.
| Industry | Artificial Intelligence |
| Stage | Series E |
| IPO Status | Pre-IPO |
| Valuation | $3.3B |
| Total Funding | $1.18B |
| Headquarters | San Francisco, CA |
Complete funding history, cap table, S-1 analysis, and investor breakdown for any company. Instant PDF download.
Or buy any single company report for $19
OpenAI is valued at $920.0B. Together AI is valued at $3.3B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.
OpenAI has raised $65.4B. Together AI has raised $1.18B.
OpenAI is currently private. Together AI is currently pre-IPO. Track both on TechStackIPO for S-1 filings and IPO announcements.
OpenAI operates in Artificial Intelligence, while Together AI operates in Artificial Intelligence.
OpenAI is a Artificial Intelligence company valued at $920.0B with $65.4B raised. Together AI is a Artificial Intelligence company valued at $3.3B with $1.18B 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 Together AI 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.