Best Safest PyPI Packages 2026
The #1 safest pypi packages in 2026 is pygments with a Nerq Trust Score of 81/100 (A-), based on Nerq's independent analysis of 50 safest pypi packages across 5 trust dimensions. Rankings update daily — last updated: 2026-05-31.
According to Nerq's analysis, the top 5 safest pypi packages by trust score are: 1. pygments (81/100), 2. httpx (81/100), 3. aiohttp (81/100), 4. lxml (81/100), 5. coverage (81/100). Nerq Trust Scores range from 79 to 81 among the top 50. Scores are based on 5 independent trust dimensions including security, maintenance, and community adoption. Updated daily.
| # | Name | Trust | Grade |
|---|---|---|---|
| 1 | pygments | 81 | A- |
| 2 | httpx | 81 | A- |
| 3 | aiohttp | 81 | A- |
| 4 | lxml | 81 | A- |
| 5 | coverage | 81 | A- |
| 6 | huggingface-hub | 81 | A- |
| 7 | mypy | 81 | A- |
| 8 | transformers | 81 | A- |
| 9 | azure-storage-blob | 81 | A- |
| 10 | sentry-sdk | 81 | A- |
Top 50 Safest PyPI Packages by Nerq Trust Score
| # | Name | Trust | Grade | Stars | Description |
|---|---|---|---|---|---|
| 1 | pygments | 81 | A- | 168400.0k | Pygments is a syntax highlighting package written in Python. |
| 2 | httpx | 81 | A- | 114476.9k | The next generation HTTP client. |
| 3 | aiohttp | 81 | A- | 93596.9k | Async http client/server framework (asyncio) |
| 4 | lxml | 81 | A- | 62070.5k | Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API. |
| 5 | coverage | 81 | A- | 55370.0k | Code coverage measurement for Python |
| 6 | huggingface-hub | 81 | A- | 47675.5k | Client library to download and publish models, datasets and other repos on the huggingface.co hub |
| 7 | mypy | 81 | A- | 31768.8k | Optional static typing for Python |
| 8 | transformers | 81 | A- | 29252.9k | Transformers: the model-definition framework for state-of-the-art machine learning models in text, v... |
| 9 | azure-storage-blob | 81 | A- | 27365.3k | Microsoft Azure Blob Storage Client Library for Python |
| 10 | sentry-sdk | 81 | A- | 26990.9k | Python client for Sentry (https://sentry.io) |
| 11 | cython | 81 | A- | 26775.6k | The Cython compiler for writing C extensions in the Python language. |
| 12 | langchain-core | 81 | A- | 22716.8k | Building applications with LLMs through composability |
| 13 | litellm | 81 | A- | 21487.8k | Library to easily interface with LLM API providers |
| 14 | anthropic | 81 | A- | 19615.1k | The official Python library for the anthropic API |
| 15 | aliyun-python-sdk-core | 81 | A- | 19375.0k | The core module of Aliyun Python SDK. |
| 16 | slack-sdk | 81 | A- | 18872.9k | The Slack API Platform SDK for Python |
| 17 | langsmith | 81 | A- | 17397.3k | Client library to connect to the LangSmith Observability and Evaluation Platform. |
| 18 | datasets | 81 | A- | 16324.3k | HuggingFace community-driven open-source library of datasets |
| 19 | argcomplete | 81 | A- | 16059.3k | Bash tab completion for argparse |
| 20 | billiard | 81 | A- | 11021.4k | Python multiprocessing fork with improvements and bugfixes |
| 21 | amqp | 81 | A- | 10862.9k | Low-level AMQP client for Python (fork of amqplib). |
| 22 | opencv-python | 81 | A- | 10769.8k | Wrapper package for OpenCV python bindings. |
| 23 | charset-normalizer | 81 | A- | 289802.2k | The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chard... |
| 24 | botocore | 81 | A- | 273580.2k | Low-level, data-driven core of boto 3. |
| 25 | awscli | 81 | A- | 101217.6k | Universal Command Line Environment for AWS. |
| 26 | langchain | 81 | A- | 52207.7k | Building applications with LLMs through composability |
| 27 | google-cloud-storage | 81 | A- | 51552.1k | Google Cloud Storage API client library |
| 28 | bleach | 81 | A- | 14215.0k | An easy safelist-based HTML-sanitizing tool. |
| 29 | plotly | 81 | A- | 13779.0k | An open-source interactive data visualization library for Python |
| 30 | weaviate-client | 81 | A- | 12971.4k | A python native Weaviate client |
| 31 | ray | 81 | A- | 11620.3k | Ray provides a simple, universal API for building distributed applications. |
| 32 | aenum | 81 | A- | 11332.7k | Advanced Enumerations (compatible with Python's stdlib Enum), NamedTuples, and NamedConstants |
| 33 | sympy | 81 | A- | 37672.1k | Computer algebra system (CAS) in Python |
| 34 | selenium | 81 | A- | 12220.1k | Official Python bindings for Selenium WebDriver |
| 35 | pandas | 81 | A- | 137448.6k | Powerful data structures for data analysis, time series, and statistics |
| 36 | torch | 80 | B+ | 19707.1k | Tensors and Dynamic neural networks in Python with strong GPU acceleration |
| 37 | sendgrid | 79 | B+ | 7197.4k | Twilio SendGrid library for Python |
| 38 | azure-datalake-store | 79 | B+ | 5603.1k | Azure Data Lake Store Filesystem Client Library for Python |
| 39 | spacy | 79 | B+ | 5320.1k | Industrial-strength Natural Language Processing (NLP) in Python |
| 40 | twilio | 79 | B+ | 4376.7k | Twilio API client and TwiML generator |
| 41 | motor | 79 | B+ | 1911.3k | Non-blocking MongoDB driver for Tornado or asyncio |
| 42 | azure-mgmt-sql | 79 | B+ | 1753.6k | Microsoft Azure SQL Management Client Library for Python |
| 43 | bc-detect-secrets | 79 | B+ | 1067.4k | Tool for detecting secrets in the codebase |
| 44 | modal | 79 | B+ | 4366.0k | Python client library for Modal |
| 45 | aws-cdk-lib | 79 | B+ | 1251.9k | Version 2 of the AWS Cloud Development Kit library |
| 46 | azure-storage-file-datalake | 79 | B+ | 8465.2k | Microsoft Azure File DataLake Storage Client Library for Python |
| 47 | mlflow | 79 | B+ | 7515.0k | MLflow is an open source platform for the complete machine learning lifecycle |
| 48 | azure-storage-queue | 79 | B+ | 7394.4k | Microsoft Azure Azure Queue Storage Client Library for Python |
| 49 | checkov | 79 | B+ | 7282.9k | Infrastructure as code static analysis |
| 50 | pyright | 79 | B+ | 6919.7k | Command line wrapper for pyright |
How We Rank Safest PyPI Packages
These safest pypi packages are ranked by Nerq Trust Score, which evaluates security, maintenance, community adoption, and transparency across multiple data points. Only entities with a trust score of 30 or above are included. Scores are updated continuously as new data becomes available.
FAQ
What are the best safest pypi packages in 2026?
Based on Nerq Trust Scores, the top-ranked safest pypi packages are listed above, scored on security, activity, documentation, and community metrics.
How are safest pypi packages ranked?
Nerq ranks tools using Trust Score v2, which combines security analysis, maintenance activity, documentation quality, and community adoption signals.
Are these safest pypi packages safe to use?
Each tool has an individual safety report. Click any tool name to see its detailed trust analysis.
What does a Nerq Trust Score of A mean?
An A grade (80-89) means the entity has strong signals across security, maintenance, documentation, and community adoption. A+ (90-100) is the highest possible rating.
How does Nerq evaluate safest pypi packages?
Nerq analyzes safest pypi packages across multiple dimensions including security vulnerabilities, license compliance, maintenance activity, documentation quality, and community adoption. Each dimension is scored independently and combined into an overall Trust Score (0-100).