jailbreakbench
An Open Robustness Benchmark for Jailbreaking Language Models
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Decision brief
JailbreakBench is an open robustness benchmark specifically designed to evaluate language models against jailbreaking attacks. It aims to quantify the resilience of language models under adversarial conditions.
Observed Jul 12, 2026 · Source: enrich:decision_facts
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Maintenance and security
Full trust report- Maintenance
- Dormant (487d since push)
- As of 2w
- Provenance
- Not a fork · Organization account
- As of 2w
- Security (OSV)
- No lockfile
- As of 1mo
Public GitHub metadata and optional OSV scans. Signals, not a guarantee. Trust methodology.
Install
pip install jailbreakbenchSimilar tools
Same-category neighbours. No typed graph edges are catalogued for this tool yet.
Evidence and technical details
Sourced facts, taxonomy, compatibility claims, README excerpt, and machine-readable endpoints.
Overview
JailbreakBench provides a benchmark to evaluate the robustness of language models against jailbreaking attacks.
Capability facts
- Languages
- python
Source: github.language+pyproject.toml · Aug 5, 2026
Categories
Compatibility
Sourced claims from the README excerpt - not unsourced marketing copy.
Source: README excerpt (regex_v1, Aug 5, 2026)
pip install jailbreakbenchSource link
Tags
README
Installation
The jailbreakbench package can be installed by running the following command:
pip install jailbreakbench
Optionally, if you plan to run an attack or defense locally, please install vLLM:
pip install jailbreakbench[vllm]
This repository can also be locally installed in an editable way by running the following command from the root directory of this repository:
pip install -e .
License
This codebase is released under MIT License.
For agents
This page has a .md twin and JSON over the API.