Weights & Biases
Data confidence: HighML experiment tracking and model management platform.
Founded by: Lukas Biewald, Chris Van Pelt, Shawn Lewis
Weights & Biases has a Developer Momentum Index of 17, ranking #53 of 262 companies. Key metrics include 21.9M monthly package downloads, 10.9K GitHub stars, $250M in total funding.
Developer Adoption
Developer Adoption
Package downloads and ecosystem metrics, 30-day window
Active Contributors Trend
github contributors remained stable at 13 over the last 90 days.
View data table
| Date | github contributors |
|---|---|
| Mar 5, 2026 | 13 |
| Mar 6, 2026 | 13 |
PyPI Download Trend
PyPI Downloads grew from 21,690,548 to 21,897,347 over the last 90 days.
View data table
| Date | pypi downloads |
|---|---|
| Mar 5, 2026 | 21,690,548 |
| Mar 6, 2026 | 21,897,347 |
Key Signals
Developer Community Metrics
Metrics computed from HN discussion, GitHub activity, and funding data.
Category Benchmark
75 AI Infrastructure companies30-Day Trends
PyPI Downloads
PyPI Downloads grew from 21,690,548 to 21,897,347 over the last 90 days.
View data table
| Date | pypi downloads |
|---|---|
| Mar 5, 2026 | 21,690,548 |
| Mar 6, 2026 | 21,897,347 |
GitHub Stars
GitHub Stars grew from 10,812 to 10,886 over the last 90 days.
View data table
| Date | github stars |
|---|---|
| Feb 1, 2026 | 10,812 |
| Feb 7, 2026 | 10,831 |
| Feb 8, 2026 | 10,832 |
| Feb 9, 2026 | 10,835 |
| Feb 10, 2026 | 10,840 |
| Feb 12, 2026 | 10,843 |
| Feb 13, 2026 | 10,844 |
| Feb 14, 2026 | 10,844 |
| Feb 15, 2026 | 10,846 |
| Feb 16, 2026 | 10,850 |
| Feb 17, 2026 | 10,850 |
| Feb 19, 2026 | 10,858 |
| Feb 21, 2026 | 10,867 |
| Feb 22, 2026 | 10,871 |
| Feb 23, 2026 | 10,873 |
| Feb 24, 2026 | 10,877 |
| Feb 25, 2026 | 10,878 |
| Feb 26, 2026 | 10,881 |
| Feb 27, 2026 | 10,884 |
| Feb 28, 2026 | 10,886 |
HN Mentions
HN Mentions declined from 3 to 2 (-33.3%) over the last 90 days.
View data table
| Date | hn mentions |
|---|---|
| Jan 6, 2026 | 3 |
| Jan 9, 2026 | 2 |
| Jan 10, 2026 | 2 |
| Jan 15, 2026 | 2 |
| Jan 16, 2026 | 2 |
| Jan 17, 2026 | 2 |
| Jan 18, 2026 | 1 |
| Jan 20, 2026 | 2 |
| Jan 21, 2026 | 2 |
| Jan 22, 2026 | 2 |
| Jan 23, 2026 | 2 |
| Jan 24, 2026 | 2 |
| Jan 25, 2026 | 2 |
| Jan 27, 2026 | 2 |
| Jan 29, 2026 | 2 |
| Jan 30, 2026 | 2 |
| Jan 31, 2026 | 2 |
| Feb 1, 2026 | 2 |
| Feb 2, 2026 | 2 |
| Feb 3, 2026 | 2 |
| Feb 4, 2026 | 2 |
| Feb 5, 2026 | 2 |
Funding Rounds
2023 · Daniel Gross, Nat Friedman
2021 · Felicis, Bond
2021 · Insight Partners
Show 2 earlier roundsHide earlier rounds
2019 · Trinity Ventures, Coatue
2018 · Trinity Ventures
According to AI-Buzz, Weights & Biases has 21,897,347 PyPI downloads in 30 days, with 13 active contributors in 30 days, ranks #38 in AI Infrastructure for HN discussion share (out of 75 tracked with 0.1% of HN discussion), with 1 commits/week (paused).
Source: https://www.ai-buzz.com/companies/weights-biases?utm_source=citation&utm_medium=referral&utm_campaign=cite_this_data
Metrics derived from public APIs (HN Algolia, GitHub, npm/PyPI). Sentiment classified by AI. See methodology for details →
About
About
Description
ML experiment tracking and model management platform.
Estimated Company Size
101 - 250 employees
Website
wandb.aiDetails
Founded
2018
Description
Weights & Biases is the standard tool for ML experiment tracking. Used by OpenAI, Anthropic, and thousands of ML teams. Raised $200M+ Series C at $1.25B valuation.
Data Confidence
ExcellentReflects profile completeness, metric freshness, and signal coverage.
How we calculate thisEmbed Badge
Weekly AI Intelligence
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