Evidaxis
Dated record

langchain

repo · langchain-ai/langchain · paper: not linked · as of

Niche: not yet assigned.

54.3 commits per week averaged over the trailing window. No paper is linked in OpenAlex. Dependents: no reading in the scored panel. 147,109 GitHub stars, recorded, not scored. Measured for langchain as of 2026-09-26; sources: GitHub, OpenAlex and deps.dev where linked.

commits/wk 54.3 averaged, trailing window last commit week 2026-09-20 measured · GitHub ·
citations no paper linked all years, indexed to date no reading · OpenAlex ·
direct dependents not in the scored panel partition 2026-09-26 no reading · deps.dev snapshot ·
stars 147,109 recorded, not scored measured · GitHub ·
Download values (CSV) JSON record Follow this system (feed) Report an error

Is langchain still maintained?

54.3 commits per week averaged over the trailing window.

GitHub averaged 54.3 per week over the trailing window; raw weekly counts below are individual weeks.

Last commit week 2026-09-20.

Commits in the latest captured week vs 4 weeks earlier: 21 · vs 26 weeks earlier: 16 · 52-week range: 18 to 122 commits in an individual week.

line chart: langchain, weekly commits, 75 in latest week, 2025-09-28 to 2026-09-20
langchain averaged 54.3 commits a week. GitHub commit_activity · .
Latest eight weeks
Week startingCommits
2026-08-0284
2026-08-0955
2026-08-1672
2026-08-2354
2026-08-3043
2026-09-0638
2026-09-1372
2026-09-2075
heatmap chart: langchain, weeks with commits, 26 of 26, 2026-03-29 to 2026-09-20
26 of the last 26 captured weeks had commits for langchain. GitHub commit_activity · .
All 52 weeks
Weekly commits
Week startingCommits
2025-09-2899
2025-10-05119
2025-10-12102
2025-10-1934
2025-10-2654
2025-11-0274
2025-11-0944
2025-11-1622
2025-11-2324
2025-11-3030
2025-12-0796
2025-12-1450
2025-12-2146
2025-12-2821
2026-01-04119
2026-01-1140
2026-01-1827
2026-01-2523
2026-02-0157
2026-02-0874
2026-02-1562
2026-02-2218
2026-03-0154
2026-03-0866
2026-03-1564
2026-03-2259
2026-03-2952
2026-04-0544
2026-04-1279
2026-04-1944
2026-04-2661
2026-05-0353
2026-05-1048
2026-05-1783
2026-05-2435
2026-05-3142
2026-06-07122
2026-06-14122
2026-06-2145
2026-06-2829
2026-07-0555
2026-07-1235
2026-07-1940
2026-07-2629
2026-08-0284
2026-08-0955
2026-08-1672
2026-08-2354
2026-08-3043
2026-09-0638
2026-09-1372
2026-09-2075

GitHub commit_activity · period 2025-09-28 to 2026-09-20 · n = 52 weeks · method weekly totals; reconstructed dates · updated · version 9d2fe956adbc-b1 · CSV

Readings

Recorded values and sources
ReadingValueΔ 4 weeksΔ 26 weeks52-week rangeInstrumentDateReproducePrevious reading
Commits per week54.3-7.5-0.945.2 to 65.4GitHub, trailing 12 weeks2026-09-26Public query50.3
Citing worksno readingno readingno readingno readingOpenAlex, all years2026-09-26Public queryno reading
Direct dependentsno readingno readingno readingno readingDirect dependents2026-09-26Public queryno reading
Daily dependents (unscored)3,055no readingno reading2,997 to 3,055deps.dev REST, unscored2026-w39Public query3,042
Stars147,1091,873no reading143,672 to 147,109GitHub stars, unscored2026-09-26Public query146,653

Evidaxis snapshot · period 2026-09-26 · n = 1 system · method source linked readings · updated · version 9d2fe956adbc-b1

How to cite langchain's record?

Evidaxis. langchain measurement record. Snapshot 2026-09-26. urn:evidaxis:claim:e_SW0DQ4N81NG:m3:2026-09-26. CC0-1.0. https://evidaxis.org/e/e_SW0DQ4N81NG/

Evidaxis · period 2026-09-26 · n = 1 system · method claim URN · updated · version 9d2fe956adbc-b1

Is anyone using langchain?

Dependents: no reading in the scored panel.

Weekly dependents
PartitionDirect dependentsWeekly pointsMethod
no partitionno readingno readingm3 package union

Daily dependents (unscored): 3,055. 147,109 GitHub stars, recorded, not scored.

sparkline chart: langchain, daily dependents, 3,055, 2026-w32 to 2026-w39
langchain recorded 3,055 daily dependents. deps.dev REST (unscored) · .
Captured daily series
Unscored daily dependents, as captured
PeriodDependents
2026-w322,997
2026-w333,013
2026-w343,030
2026-w353,037
2026-w363,015
2026-w373,024
2026-w383,044
2026-w393,055

deps.dev · period 2026-09-26 · n = 0 partitions · method m3 package union · updated · version 9d2fe956adbc-b1 · CSV

What changed since the last snapshot?

2 published readings changed between snapshots fcfd3a7ccdcb and 9d2fe956adbc.

slope chart: langchain, changed published values, 2, 2026-09-19 to 2026-09-26
2 published values changed for langchain since 2026-09-19. Evidaxis snapshots · .
Snapshot values
MetricPreviousCurrentDelta
Commits per week50.354.34
Citing worksno readingno readingno reading
Direct dependentsno readingno readingno reading
Stars146,653147,109456

Evidaxis snapshots · period 2026-09-19 to 2026-09-26 · n = 8 partitions · method paired snapshot values · updated · version 9d2fe956adbc-b1 · History CSV

Take the data or follow changes

Values and captured history are available under CC0-1.0. The system feed records changes to published numbers.

Values CSVHistory CSVJSON recordAtom feedJSON FeedAdd Evidaxis as a preferred source on GoogleReport an error

Evidaxis · period 2026-09-26 · n = 1 system · method CC0-1.0 open export · updated · version 9d2fe956adbc-b1

For teams tracking many systems

Use the cohort CSV, snapshot archive and membership manifest to reproduce observations across systems.

Cohort CSV · Snapshot archive · Membership manifest

Paper and links

Source records identify the system, repository and linked works; no paper authors are published.

What is not measured for langchain, and why

Missing readings describe instrument coverage. A missing value is not a measured zero.

Unmeasured slots
ReadingReason
Citing worksnot linked
Direct dependentsoutside panel

Dependents: no reading in the scored panel.

Gate ETA: never published; Evidaxis makes no public actionable prediction.

Dependents ecosystem composition: no reading; this field is not present in the snapshot.

Evidaxis · period 2026-09-26 · n = 1 system · method measurement coverage · updated · version 9d2fe956adbc-b1

Measurement detail

Gate, gauges, percentile, derived signals and snapshot receipt

History: 8 weekly observations; minimum 4. Axis coverage: 1 of 3 axes measurable. Gate: not computable - 1 of 3 axes measurable

Gate: not computable - 1 of 3 axes measurable

langchain

repo
Unassigned (AI-v1 census) · n = 5778 · langchain-ai/langchain
1 of 3 axes measurable · conf low
convergence gate
Convergence gate: Gate: not computable - 1 of 3 axes measurable Development velocity: measured × Citation momentum: not measurable ∅ Direct-dependents momentum (deps.dev): not measurable ∅
gate
0 of 3 axes

Gate: not computable - 1 of 3 axes measurable

· Evidaxis snapshot · 2026-09-26
Gate: not computable - 1 of 3 axes measurable
position in cohort distribution one of 5778 in cohort
percentile 32 within cohort p25 p50 p75 p0 p100
percentile
p32
· Evidaxis snapshot · 2026-09-26
momentum averages present-axis z-scores; two- and three-axis scores are not strictly comparable
velocity z
velocity z gaugevelocity z-0.18 within cohort, log-slope -0.001/wk.0-0.18
velocity z
-0.18 σ
slope
-0.001/wk
· Evidaxis snapshot · 2026-09-26
log-slope -0.001/wk
citation z Citation source: not measured.
direct-dependents z Direct-dependents axis: outside the frozen panel; not measured.
cohort
5778
systems measured
weekly commits
54.3
Development velocity axis: measured.
total citations
no reading
Citation source: not measured.
momentum
47.7
percentile p32
commit heatmap, last 26 weeks54.3/wk
weekly commits, 26 weeks26 weeks of commits, peak 122 in a week, 26 active weeks, 1511 total.week 1: 52 commitsweek 2: 44 commitsweek 3: 79 commitsweek 4: 44 commitsweek 5: 61 commitsweek 6: 53 commitsweek 7: 48 commitsweek 8: 83 commitsweek 9: 35 commitsweek 10: 42 commitsweek 11: 122 commitsweek 12: 122 commitsweek 13: 45 commitsweek 14: 29 commitsweek 15: 55 commitsweek 16: 35 commitsweek 17: 40 commitsweek 18: 29 commitsweek 19: 84 commitsweek 20: 55 commitsweek 21: 72 commitsweek 22: 54 commitsweek 23: 43 commitsweek 24: 38 commitsweek 25: 72 commitsweek 26: 75 commits
weeks
26
peak/wk
122
active
26
total
1511
· Evidaxis snapshot · 2026-09-26
citations by yearCitation source: not measured.
Daily dependents count (unscored) 3,055 dependents 2,475 direct, 606 indirect · pypi/langchain · deps.dev · the scored m3 axis uses weekly partitions
recency-weighted swing trailing 13-week vs prior 39-week log-slope ratio +13.59, regime accelerating. prior slope +0.003, recent slope +0.047 per week. +0.003prior 39w+0.047recent 13w+13.59×
swing
+13.59×
regime
accelerating
windows
13w vs 39w
snapshot 1 of 1 · · m3
commit-axis Sharpe log-linear slope over residual std, value +0.002 with 95% CI -0.019 to +0.023, 50 degrees of freedom. CI spans zero.0+0.00295% CI -0.019, +0.023-0.019+0.023
sharpe
+0.002
95% ci
-0.019, +0.023
dof
50
snapshot 1 of 1 · · m3
commit changepoint52 weekly commit points. No significant changepoint detected (|delta slope| within the noise floor).no significant changepoint
changepoint
none detected
snapshot 1 of 1 · · m3
code-leads-citation lag reserved

reserved: citation series too short / axis absent for cross-correlation

status
reserved
value
insufficient data
snapshot 1 of 1 · · m3
axis alpha vs cohort reserved

reserved: cohort N too small for regression (power ~0)

status
reserved
value
insufficient data
snapshot 1 of 1 · · m3
methodology gate snapshot 1 of 1 · · m3
commit weeks
52
citation years
0
shipped
3
reserved
3

shipped

  • recency-swing
  • commit-sharpe
  • commit-changepoint

reserved

  • code-leads-citation-lag
  • axis-alpha
  • gate-eta
snapshot 8 of 8 · · m3

Direct-dependents momentum (deps.dev)

Direct-dependents axis: outside the frozen panel; not measured.

Coverage state
out_of_panel
Cohort z
no axis
OLS slope
no reading
Theil-Sen slope
no reading
Latest direct dependents
no reading
Confirmed-clean points
no reading
Reconstructed history points
no reading
As-of partition
no reading
Fragility veto
no reading
Rising vote
no

Source: deps.dev (Google), CC-BY 4.0. Modified: aggregated to system-level counts and momentum scores.

Axis definition · Snapshot axis correlations

Evidaxis · period 2026-09-26 · n = 1 system · method measurement detail · updated · version 9d2fe956adbc-b1 · record JSON · snapshot receipt