Try ObserverBench
ObserverBench is an open-source benchmark for testing AI monitoring methods against the harms they fail to detect. It provides guided examples, saved model measurements, real-model experiments, and tasks for evaluating internal activity monitoring and decision safety.
Overview
8 featuresTry ObserverBench sits in PulseGate's Agent evaluation & testing category. It focuses on evaluating whether AI monitoring methods detect harmful behavior and support safer decisions. Try ObserverBench is an open-source project aimed at AI safety researchers and developers evaluating model monitors. Try ObserverBench is open source under the MIT license. Try ObserverBench is available on the web and the command line, and it can be self-hosted.
Behind Try ObserverBench is Kwisatz Hader, and it first shipped in 2026. Development happens publicly on GitHub with 31 commits in the last 90 days. Key capabilities include guided example, monitor comparison, and real-model results.
Summary written by a language model from the project’s public pages.
- Guided example
- Monitor comparison
- Real-model results
- Saved measurements
- Benchmark tasks
- Internal activity analysis
- Safety monitoring
- Leaderboard
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
- Indexed11 Sept · 13:43 UTCShow HN: ObserverBench – Test internal AI monitors by the harm they miss verified via Hacker News firehose (Algolia)Source: Hacker News firehose (Algolia) · Open
Frequently asked questions about Try ObserverBench
- What does Try ObserverBench do?
- Try ObserverBench focuses on evaluating whether AI monitoring methods detect harmful behavior and support safer decisions. It is catalogued under Agent evaluation & testing on PulseGate.
- Who should use Try ObserverBench?
- Try ObserverBench is an open-source project built for AI safety researchers and developers evaluating model monitors.
- Does Try ObserverBench have a free plan?
- Yes — Try ObserverBench is open source under the MIT license and free to use.
- What platforms does Try ObserverBench run on?
- Try ObserverBench runs on the web and the command line. It can also be self-hosted.
- Is Try ObserverBench still active?
- The GitHub repository shows 31 commits in the last 90 days.
- What projects are similar to Try ObserverBench?
- Similar projects tracked by PulseGate include mendmark-evals, harness-bench-fast, and Ship or Slop.mendmark-evalsharness-bench-fastShip or Slop
- Who develops Try ObserverBench?
- Try ObserverBench is developed by Kwisatz Hader.
- When did Try ObserverBench launch?
- Try ObserverBench first shipped in 2026.
Also in Agent evaluation & testing
Same category — not a similarity match