Company research
Data as of May 29, 2026
No company research is published for this company yet. All research →
Vespa
Open-source serving engine for search, recommendation, and AI
AI SearchFounded 2017#1 of 13 in AI Search
Updated May 29, 2026
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Company profile
What is Vespa?
Vespa is an open-source big data serving engine developed and maintained by Yahoo, not an independent company. It provides a robust platform for building applications requiring real-time search, recommendation, and personalization at scale, leveraging its capabilities for low-latency data serving and indexing.
Latest company data
Primary data point
Downloads
5.0M/30d
Tracked package: PyPI pyvespa
▲ +230%Updated 1d ago
Other data points
Dependent projects
34
Projects depending on tracked package: PyPI pyvespa
Updated 9h ago
GitHub stars
6.9K
Main repository stars
Updated 9h ago
Hacker News
1/30d
Position #13 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 →
5.7
Key-person riskSource: GitHub public event dataUpdates: WeeklyCaveat: Minimum developers needed for half of recent code changes. Lower = higher concentration risk.Methodology →
4
External contributorsSource: GitHub public event dataUpdates: WeeklyCaveat: Based on push events; may undercount contributors who only open PRsMethodology →
38
% 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 Vespa.
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 →
4340%
About Vespa
Vespa is an open-source big data serving engine developed and maintained by Yahoo, not an independent company. It provides a robust platform for building applications requiring real-time search, recommendation, and personalization at scale, leveraging its capabilities for low-latency data serving and indexing.
Funding
$31M · 1 roundRaised $31M total. Category position #1 of 13 in AI Search.
Seed2023
$31MBlossom Capital
Investors
Blossom Capital
Tracked packages (1)
1 PyPI
pyvespa
PyPIMain PyPI packagepyvespa
Open-source serving engine for search, recommendation, and AI