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Data as of May 29, 2026
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Prefect
Workflow orchestration framework for data and ML pipelines
AI InfrastructureFounded 2018#12 of 55 in AI Infrastructure
Updated May 29, 2026
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Company profile
What is Prefect?
Prefect provides an open-source workflow orchestration framework that helps data engineers and scientists build, run, and monitor complex data and machine learning pipelines. It aims to make dataflow reliable by offering tools for scheduling, logging, retries, and error handling, significantly improving the robustness and observability of MLOps workflows.
Latest company data
Primary data point
Downloads
13.8M/30d
Tracked package: PyPI prefect
▲ +29%Updated 1d ago
Other data points
Dependent projects
339
Projects depending on tracked package: PyPI prefect
Updated 9h ago
GitHub stars
22.5K
Main repository stars
Updated 9h ago
Hacker News
8/30d
Position #24 in category discussion
Updated 9h ago
Repository health
Maintenance data from the main open-source repository.
OpenSSF ScorecardSource: OpenSSF ScorecardUpdates: WeeklyCaveat: Score 0–10 across security practices; not all checks apply to every repoMethodology →
6.8
Key-person riskSource: GitHub public event dataUpdates: WeeklyCaveat: Minimum developers needed for half of recent code changes. Lower = higher concentration risk.Methodology →
1
External contributorsSource: GitHub public event dataUpdates: WeeklyCaveat: Based on push events; may undercount contributors who only open PRsMethodology →
55
% of recent contributors outside the core team
Releases (30d)Source: GitHub release dataUpdates: WeeklyCaveat: Published releases in the last 30 daysMethodology →
0
Repository usage
Public repositories and source files importing packages tied to Prefect.
Repos importingMetric: Public GitHub repos using company packagesSource: ecosyste.ms Packages APIScope: UTC daily snapshotUpdates: DailyFreshness: 48h target; 48h expected source lagConfidence: HighCaveat: Public GitHub dependency data only; private repos and direct API use outside those packages are not visible.Methodology →
7670%
About Prefect
Prefect provides an open-source workflow orchestration framework that helps data engineers and scientists build, run, and monitor complex data and machine learning pipelines. It aims to make dataflow reliable by offering tools for scheduling, logging, retries, and error handling, significantly improving the robustness and observability of MLOps workflows.
FoundersJeremiah Lowin, Chris White
Funding
$46M · 3 roundsRaised $46M total. Category position #12 of 55 in AI Infrastructure.
Series B2021
$32MTiger Global
Series A2021
$12MPositive Sum
Seed2019
$3MHarrison Metal
Investors
Harrison MetalPositive SumTiger Global
Tracked packages (1)
1 PyPI
prefect
PyPIMain PyPI packageprefect
Workflow orchestration framework for data and ML pipelines