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 admitted own package. 147,673 GitHub stars, recorded, not scored. Measured for langchain as of 2026-10-10; sources: GitHub, OpenAlex and deps.dev where linked. Source definitions and captured readings accompany these measurements.

commits/wk 54.3 averaged, trailing window last commit week 2026-10-11 measured · GitHub ·
citations no paper linked all years, indexed to date no reading · OpenAlex ·
direct dependents not in the scored panel partition 2026-10-10 no reading · deps.dev snapshot ·
stars 147,673 recorded, not scored measured · GitHub ·

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 2026-10-11.

Commits in the latest captured week vs 4 weeks earlier: -69 · vs 26 weeks earlier: -76 · 52-week range: 3 to 122 commits in an individual week.

line chart: langchain, weekly commits, 3 in latest week, 2025-10-19 to 2026-10-11
langchain averaged 54.3 commits a week. GitHub commit_activity · .
Latest eight weeks
Week startingCommits
2026-08-2354
2026-08-3043
2026-09-0638
2026-09-1372
2026-09-2075
2026-09-2770
2026-10-0457
2026-10-113
heatmap chart: langchain, weeks with commits, 26 of 26, 2026-04-19 to 2026-10-11
26 of the last 26 captured weeks had commits for langchain. GitHub commit_activity · .
All 52 weeks
Weekly commits
Week startingCommits
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
2026-09-2770
2026-10-0457
2026-10-113

GitHub commit_activity · period 2025-10-19 to 2026-10-11 · n = 52 weeks · method weekly totals; reconstructed dates · updated · version ad5e404d4f82-b1 · CSV

Readings

Recorded values and sources
ReadingValueΔ 4 weeksΔ 26 weeks52-week rangeInstrumentDateReproducePrevious reading
Commits per week54.33.8045.2 to 65.4GitHub, trailing 12 weeks2026-10-10Public query52.7
Citing worksno readingno readingno readingno readingOpenAlex, all years2026-10-10Public queryno reading
Direct dependentsno readingno readingno readingno readingDirect dependents2026-10-10Public queryno reading
Daily dependents (unscored)3,076no readingno reading2,997 to 3,082deps.dev REST, unscored2026-w41Public query3,072
Stars147,6731,490no reading143,672 to 147,673GitHub stars, unscored2026-10-10Public query147,415

Evidaxis snapshot · period 2026-10-10 · n = 1 system · method source linked readings · updated · version ad5e404d4f82-b1

How to cite langchain's record?

Evidaxis. langchain measurement record. Snapshot 2026-10-10. urn:evidaxis:claim:e_SW0DQ4N81NG:m4:2026-10-10. CC0-1.0. https://evidaxis.org/e/e_SW0DQ4N81NG/

Evidaxis · period 2026-10-10 · n = 1 system · method claim URN · updated · version ad5e404d4f82-b1

Is anyone using langchain?

Dependents: no admitted own package.

Weekly dependents
PartitionDirect dependentsWeekly pointsMethod
no partitionno readingno readingm4 own packages

Daily dependents (unscored): 3,076. 147,673 GitHub stars, recorded, not scored.

sparkline chart: langchain, daily dependents, 3,082, 2026-w32 to 2026-w41
langchain recorded 3,082 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-w393,058
2026-w403,072
2026-w413,082

deps.dev · period 2026-10-10 · n = 0 partitions · method m4 own packages · updated · version ad5e404d4f82-b1 · CSV

What changed since the last snapshot?

2 published readings changed between snapshots 0641434ff686 and ad5e404d4f82.

slope chart: langchain, changed published values, 2, 2026-10-03 to 2026-10-10
2 published values changed for langchain since 2026-10-03. Evidaxis snapshots · .
Snapshot values
MetricPreviousCurrentDelta
Commits per week52.754.31.6
Citing worksno readingno readingno reading
Direct dependentsno readingno readingno reading
Stars147,415147,673258

Evidaxis snapshots · period 2026-10-03 to 2026-10-10 · n = 10 partitions · method paired snapshot values · updated · version ad5e404d4f82-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.

Evidaxis · period 2026-10-10 · n = 1 system · method CC0-1.0 open export · updated · version ad5e404d4f82-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 admitted own package.

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 2026-10-10 · n = 1 system · method measurement coverage · updated · version ad5e404d4f82-b1

Measurement detail

Gate, gauges, percentile, derived signals and snapshot receipt

History: 10 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 = 6141 · 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 · 2026-10-10
Gate: not computable - 1 of 3 axes measurable
position in cohort distribution one of 6141 in cohort
percentile 20 within cohort p25 p50 p75 p0 p100
percentile
p20
· Evidaxis snapshot · 2026-10-10
momentum averages present-axis z-scores; two- and three-axis scores are not strictly comparable
velocity z
velocity z gaugevelocity z-1.42 within cohort, log-slope -0.020/wk.0-1.42
velocity z
-1.42 σ
slope
-0.020/wk
· Evidaxis snapshot · 2026-10-10
log-slope -0.020/wk
citation z Citation source: not measured.
direct-dependents z Direct-dependents axis: no admitted own package; not measured.
cohort
6141
systems measured
weekly commits
54.3
Development velocity axis: measured.
total citations
no reading
Citation source: not measured.
momentum
32.3
percentile p20
commit heatmap, last 26 weeks54.3/wk
weekly commits, 26 weeks26 weeks of commits, peak 122 in a week, 26 active weeks, 1466 total.week 1: 44 commitsweek 2: 61 commitsweek 3: 53 commitsweek 4: 48 commitsweek 5: 83 commitsweek 6: 35 commitsweek 7: 42 commitsweek 8: 122 commitsweek 9: 122 commitsweek 10: 45 commitsweek 11: 29 commitsweek 12: 55 commitsweek 13: 35 commitsweek 14: 40 commitsweek 15: 29 commitsweek 16: 84 commitsweek 17: 55 commitsweek 18: 72 commitsweek 19: 54 commitsweek 20: 43 commitsweek 21: 38 commitsweek 22: 72 commitsweek 23: 75 commitsweek 24: 70 commitsweek 25: 57 commitsweek 26: 3 commits
weeks
26
peak/wk
122
active
26
total
1466
· Evidaxis snapshot · 2026-10-10
citations by yearCitation source: not measured.
Daily dependents count (unscored) 3,076 dependents 2,495 direct, 610 indirect · pypi/langchain · deps.dev · the scored m4 axis uses weekly partitions
recency-weighted swing trailing 13-week vs prior 39-week log-slope ratio -6.59, regime recent slope sign differs from prior window. prior slope +0.009, recent slope -0.059 per week. +0.009prior 39w-0.059recent 13w-6.59×
swing
-6.59×
regime
recent slope sign differs from prior window
windows
13w vs 39w
snapshot 1 of 1 · · m4
commit-axis Sharpe log-linear slope over residual std, value +0.002 with 95% CI -0.017 to +0.021, 50 degrees of freedom. CI spans zero.0+0.00295% CI -0.017, +0.021-0.017+0.021
sharpe
+0.002
95% ci
-0.017, +0.021
dof
50
snapshot 1 of 1 · · m4
commit changepoint52 weekly commit points. Changepoint at week 50 (2026-09-26), slope change -33.787 commits per week.2026-09-26
date
week
50 of 52
Δslope
-33.787/wk
snapshot 1 of 1 · · m4
code-leads-citation lag reserved

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

status
reserved
value
insufficient data
snapshot 1 of 1 · · m4
axis alpha vs cohort reserved

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

status
reserved
value
insufficient data
snapshot 1 of 1 · · m4
methodology gate snapshot 1 of 1 · · m4
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 10 of 10 · · m4

Direct-dependents momentum (deps.dev)

Direct-dependents axis: no admitted own package; 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 2026-10-10 · n = 1 system · method measurement detail · updated · version ad5e404d4f82-b1 · record JSON · snapshot receipt