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Sweeps
A developer-focused platform for automating hyperparameter optimization in machine learning workflows
last checked Jul 16, 2026 · HTTP 400
CohortClass of 2026What it is
A developer-focused platform for automating hyperparameter optimization in machine learning workflows. Supports multiple tuning strategies from grid search to Bayesian optimization with early stopping capabilities. Designed to streamline model experimentation and improve training efficiency.
HTTP liveness
20 probes since May 23May 23Jul 16
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- May 23, 2026First probe — unverifiedUnknown
Funding history
3 roundsTotal raised
$95.0M
Latest valuation
—
Stage
public
Lead investors: Insight Partners · Insight Partners · Insight Partners · Coatue · Coatue
Data from SEC EDGAR Form D filings and press coverage. Round labels for SEC filings are inferred from filing sequence and amount.
Moat
Brand
strong
Weights & Biases is trusted by many leading AI teams, indicating a strong brand presence in the AI developer tools market.
- webThe world’s leading AI teams trust Weights & Biases. source
- webWeights & Biases is certified under ISO/IEC 27001:2022, ISO/IEC 27017:2015, and ISO/IEC 27018:2019, complying with standards such as SOC 2 and HIPAA. source
- webThe first iOS app to monitor AI experiments and track training runs anytime, anywhere. source
- webUsers can integrate quickly with popular machine learning libraries and frameworks, enhancing usability for developers. source
strong · 0.80 confidence · grounded in 4 sources
Website-grounded · May 2026
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Pulse Indexobserved activity
172/4 signal families
Liveness40%0.20
Press30%no data
GitHub20%no data
Tranco10%0.86
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y