Strongest current signal
Package downloads
9.0M/30d
Across npm and PyPI
▲ +7%
Structured output extraction from LLMs
Best current coverage: 9.0M downloads/30d, 461 dependents, and 32 public repos.
Lead signals
Package pull and public code usage both show up clearly for Instructor.
Strongest current signal
9.0M/30d
Across npm and PyPI
461
Known dependents across npm and PyPI
12.7K
Main repository stars
40/30d
Ranked #12 in category discussion
Research Brief
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package pull and existing public code are the clearest current signals for Instructor.
Package pull
9.0M/30d
Tracked package pull across npm and PyPI
Existing public code
32
Public repositories importing tracked packages
Downstream usage
461
Known dependent packages across both registries
Engineering activity
2
GitHub contributors active in the last 30 days
Coverage includes npm and PyPI registries, GitHub, public code import detection, developer discussion, and recent company news where available. As of April 13, 2026. Methodology
Sustainability and maintenance signals from the primary public repository.
These signals come from public code import detection and tracked hiring posts rather than registry totals alone.
Public repositories and source files importing packages tied to Instructor.
Background and reference details
background, categories, and tools stay collapsed until you need them.
Instructor is a Python library that simplifies obtaining reliable structured output from Large Language Models. It allows developers to define output schemas using Pydantic, automatically handling validation, retries, and error handling, thereby enhancing the robustness of LLM-powered applications.
2K npm · 332K PyPI
Structured output extraction from LLMs
Historical metrics for Instructor
Instructor: npm Downloads up 77% (875 to 1.5K). PyPI Downloads down 84% (2.1M to 331.7K). GitHub Stars up 2% (12.5K to 12.7K).
| Date | npm Downloads | PyPI Downloads | GitHub Stars |
|---|---|---|---|
| Mar 15, 2026 | 875 | 2.1M | 12.5K |
| Mar 22, 2026 | 3.4K | 2.1M | 12.5K |
| Mar 29, 2026 | 15.9K | 1.9M | 12.6K |
| Apr 5, 2026 | 14.9K | 2.2M | 12.7K |
| Apr 12, 2026 | 10.0K | 1.5M | 12.7K |
| Apr 13, 2026 | 1.5K | 331.7K | 12.7K |