Company research
As of June 10, 2026
GitHub commits increased 65% over the last 30 days.
daily public-repo contributors increased 56.5% over the last 30 days.
Haystack
Open-source framework for building production-ready NLP applications.
Developer ToolsFounded January 2019#10 of 12 in Developer Tools
Updated June 10, 2026
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Company profile
What is Haystack?
Haystack is an open-source NLP framework. Enables building production-ready search and QA systems. Built by deepset.
History
Research history
7 research updates
History
Research history
Developer Tools
Haystack: GitHub commits increased 52.4% over the last 30 days
2 metricsDeveloper Tools
Haystack: GitHub commits increased 38.9% over the last 30 days
2 metricsDeveloper Tools
Haystack: GitHub commits increased 48.1% over the last 30 days
2 metricsDeveloper Tools
Haystack: GitHub commits increased 46.2% over the last 30 days
2 metricsDeveloper Tools
Haystack: GitHub commits increased 38.1% over the last 30 days
2 metricsDeveloper Tools
Haystack: GitHub commits increased 60.9% over the last 30 days
2 metricsDeveloper Tools
Haystack: GitHub commits increased 79.5% over the last 30 days
2 metricsLatest company data
Primary data point
GitHub starsMetric: GitHub starsSource: GitHub GraphQL + GH ArchiveScope: UTC daily snapshotUpdates: DailyFreshness: 48h target; 24h expected source lagConfidence: HighCaveat: Stars are bookmarks, not usage.Methodology →
25.5K
Main repository stars
Updated 1d ago
Other data points
Hacker NewsMetric: Hacker News mentionsSource: Hacker News Algolia APIScope: UTC activity dayUpdates: DailyFreshness: 48h target; 24h expected source lagConfidence: HighCaveat: Search relevance and historical availability come from Algolia's HN index.Methodology →
29/30d
Position #3 in category discussion
Updated 1d ago
Public importing reposMetric: 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 →
2
Public GitHub dependency data for tracked company packages
Data as of Apr 21
Docker pullsMetric: Docker pullsSource: Docker Hub APIScope: UTC daily snapshotUpdates: DailyFreshness: 48h target; 48h expected source lagConfidence: HighCaveat: Docker Hub pull counters can include repeated pulls and automation.Methodology →
700.7K
Docker Hub pulls
Updated 1d 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 →
7.8
Key-person riskSource: GitHub public event dataUpdates: WeeklyCaveat: Minimum developers needed for half of recent code changes. Lower = higher concentration risk.Methodology →
2
External contributorsSource: GitHub public event dataUpdates: WeeklyCaveat: Based on push events; may undercount contributors who only open PRsMethodology →
40
% 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 Haystack.
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 →
20%
About Haystack
Haystack is an open-source NLP framework. Enables building production-ready search and QA systems. Built by deepset.
FoundersMilos Rusic, Malte Pietsch, Tanja Bueltmann
Funding
$46M · 3 roundsRaised $46M total. Category position #10 of 12 in Developer Tools.
Series B2023
$30MBalderton Capital
Series A2022
$14MGV
Seed2020
$2MLunar Ventures
Investors
Balderton CapitalGVLunar Ventures