Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
Scores, valuations, and signals for Weights & Biases, xAI, and 370+ companies. 5-min read every Tuesday.
Weights & Biases (W&B) is the machine learning experimentation platform enabling data scientists to track experiments, evaluate models, compare results, and collaborate on AI development. Valued at $1.25B with $200M raised, W&B has 1M+ users and serves research teams at Google, OpenAI, Anthropic, and Salesforce. Major AI infrastructure IPO candidate competing with MLflow and Neptune.ai in the $30B+ MLops market.
| Industry | Artificial Intelligence |
| Stage | Series F |
| IPO Status | Pre-IPO |
| Valuation | $2.5B |
| Total Funding | $750M |
| Headquarters | San Francisco, CA |
Elon Musk AI company building Grok chatbot and Memphis supercomputer. $12B raised. Massive search volume for xAI IPO. Major AI chatbot player.
| Industry | Artificial Intelligence |
| Stage | Series E |
| IPO Status | Private |
| Valuation | $125.0B |
| Total Funding | $28B |
| Headquarters | Palo Alto, CA |
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Weights & Biases is valued at $2.5B. xAI is valued at $125.0B. Both figures are based on the most recent funding rounds tracked by TechStackIPO.
Weights & Biases is currently pre-IPO. xAI is currently private. Track both companies on TechStackIPO for S-1 filings, roadshow announcements, and IPO date updates.
Weights & Biases has raised $750M. xAI has raised $28B.
Weights & Biases operates in Artificial Intelligence, while xAI operates in Artificial Intelligence.
Weights & Biases is a Artificial Intelligence company valued at $2.5B with $750M raised. xAI is a Artificial Intelligence company valued at $125.0B with $28B raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor access options.
Accredited investors can access pre-IPO shares in Weights & Biases and xAI 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.