PorchlampFind the projects that leave the light on.2026-10-17

What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.

For openai/tiktoken, the reply time has too small a sample to measure (0 pull requests counted; 10 needed). 98% of 51 outside pull requests got no reply within 14 days (20 April to 17 October 2026). It ranks 1,995 of 3,219 overall. It is not ranked for first-time contributors: this repository does not show a low enough barrier for a first-time contributor.

Key facts
Rank1,995 of 3,219
Score47.20
TierC
Median first reply—
14-day no-reply share98%
First-timer rankThis repository does not show a low enough barrier for a first-time contributor.
EcosystemPython
Window20 April to 17 October 2026

Composite

Rank
1,995 of 3,219
Score
47.20
Tier
C
Coverage
81% · Ceiling A
Quadrant
Crucible

Coordinates: leverage 59.8 (coverage 93%), friction 60.8 (coverage 67%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness32.460%
Criticality74.1100%
Governance64.265%
Rigor33.0100%
Accessibility18.585%

The measured parameters

Responsiveness

ParameterValueScoreCountWindowSource
Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days.51.4%64.23710 April to 9 July 2026primaryraw/pr_window/openai__tiktoken.json
PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days.98.0%0.05120 April to 17 October 2026primaryraw/pr_window/openai__tiktoken.json
First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged.13.6%17.122—primaryraw/author_history/openai__tiktoken.json
Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply.Not shown: Insufficient sample size
Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged.Not shown: Insufficient sample size

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.1,20293.5——primaryraw/dependents/openai__tiktoken.json
Monthly DownloadsDownloads from the package registry in a month.179.0 million downloads a month95.5——primaryraw/downloads/pypi__tiktoken.json
OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals.0.365536.5——primaryraw/github_meta/openai__tiktoken.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.Not shown: Insufficient sample size
Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA.No CLA or sign-off found85.0——primaryraw/governance/openai__tiktoken.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/openai__tiktoken.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.No written AI policy40.0——primaryraw/governance/openai__tiktoken.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.52.552.5——primaryraw/scorecard/openai__tiktoken.json
Substantive Review RateShare of decided pull requests that received a substantive review.0.0%0.02410 April to 7 October 2026primaryraw/pr_window/openai__tiktoken.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.5050.015—primaryraw/actions_runs/openai__tiktoken.json
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.11.8%23.517—primaryraw/author_history/openai__tiktoken.json
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.00.0——primaryraw/gfi/openai__tiktoken.json
Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days.Not shown: Insufficient sample size

Persona view

PersonaRankScoreTierStatus
Balanced1,995 of 3,21947.20CRated
First-timerThis repository does not show a low enough barrier for a first-time contributor.
Career capital686 of 79849.05CRated
Senior systems630 of 1,27654.37CRated
AI-assisted2,630 of 3,69644.33CRated

Integrity

Snapshot
2026-10-17
Raw hash
29658ce7248b2848100a705646b8659aa521a6b31a44f71d7cfd13e9a0642742

closed_unread

The full record is in data/2026-10-17/repos/39.json, under the key openai/tiktoken.

How every number is measured: Porchlamp methodology.

Open an issue about this record and say what looks wrong.

Porchlamp (2026). openai/tiktoken. Snapshot 2026-10-17. https://porchlamp.org/projects/openai/tiktoken/. CC BY 4.0.

Similar projects

The ranked projects nearest this one in the same ecosystem.