From Hacker News · · 1m 40s
Laminar Launch: RL Model Finds Agent Errors
RL-trained model detects agent trace errors 23x cheaper than GPT-6-sol.
In brief
RL-trained model detects agent trace errors 23x cheaper than GPT-6-sol. Laminar's flow-1 model finds errors in AI agent traces 23x cheaper than GPT-6-sol. Originally reported by Hacker News.
Laminar Launch
Robert and Din from Laminar released flow-1, an rl-trained model that finds errors in agent traces.
Benchmark Results
flow-1 matches gpt-6-sol in detection quality while being 23x cheaper.
Agent Error Types
Agents click wrong buttons or cite wrong documents while every call completes successfully.
Current Solutions
Most agent observability platforms are data collectors that store traces nobody reads.
Why RL Works
Using rl on thousands of synthetic investigations of realistic agent workflows improves error detection.
Signals Harness
flow-1 runs inside a harness called signals that treats agent traces like a repo.
Signal Events
Signals returns findings as json in a schema users can define for their needs.
Error Clustering
Similar signal events are grouped into clusters to find recurring problems.
Fixing Errors
Users can build eval datasets from clusters and hillclimb fixes before shipping.
Trace Compression
Laminar uses 20x trace compression to reduce storage costs.
Open Source
Laminar is apache 2.0 and self-hostable with github repository at lmnr-ai/lmnr.
Managed Cloud
Laminar makes money from managed cloud services for agent observability.
User Questions
How much do users learn from user feedback versus their own monitoring?
Real-World Use
Users can see how fixes work across clusters before shipping to production.
Key Challenges
False positives occur when models misattribute causes of errors.
Next Steps
Laminar aims to improve flow-1's efficiency by reducing thinking tokens.
The takeaway
Laminar's flow-1 model finds errors in AI agent traces 23x cheaper than GPT-6-sol.




