✦ AI AI Company Comparison

Anthropic vs Weights & Biases — IPO & Funding Comparison

Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.

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Some data on this page may be outdated. We're verifying.
Data for Anthropic last verified: Jun 22, 2026. Weights & Biases: verified Jun 24, 2026.
Metric Anthropic Weights & Biases
Valuation$380B$1.25B
Total Funding$53.0B$550M
IPO StatusPrivatePre-IPO
SectorArtificial IntelligenceArtificial Intelligence
StageSeries D+Series D
HeadquartersSan Francisco, CASan Francisco, CA
CEODario AmodeiLukas Biewald
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Anthropic

Anthropic builds Claude — one of the world's leading AI systems. Valued at $380B with $18.5B raised. Track IPO readiness, funding rounds, and timeline.

IndustryArtificial Intelligence
StageSeries D+
IPO StatusPrivate
Valuation$380B
Total Funding$53.0B
HeadquartersSan Francisco, CA

Weights & Biases

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.

IndustryArtificial Intelligence
StageSeries D
IPO StatusPre-IPO
Valuation$1.25B
Total Funding$550M
HeadquartersSan Francisco, CA

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Frequently Asked Questions

What are the valuations of Anthropic and Weights & Biases? +

Anthropic is valued at $380B. Weights & Biases is valued at $1.25B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.

How much has each company raised? +

Anthropic has raised $53.0B. Weights & Biases has raised $550M.

What is the IPO status of Anthropic and Weights & Biases? +

Anthropic is currently private. Weights & Biases is currently pre-IPO. Track both on TechStackIPO for S-1 filings and IPO announcements.

Are Anthropic and Weights & Biases in the same sector? +

Anthropic operates in Artificial Intelligence, while Weights & Biases operates in Artificial Intelligence.

What are the main differences between Anthropic and Weights & Biases? +

Anthropic is a Artificial Intelligence company valued at $380B with $53.0B raised. Weights & Biases is a Artificial Intelligence company valued at $1.25B with $550M raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor data.

How can I invest in Anthropic or Weights & Biases before their IPO? +

Accredited investors can access pre-IPO shares in Anthropic and Weights & Biases 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.