Evals without the infrastructure.
For AI product teams that need quick answers.
Free during beta. No credit card. No SDK. Just a CSV.
Three steps. Five minutes.
Upload traces, describe what to check, and get results with charts and reasoning.
Upload a CSV
session_id, conversation
1, "User: Plan a trip to Porto..."
2, "User: I need a Morocco itinerary..."
3, "User: Anniversary trip to Japan..."
Each row is one conversation. That's it.
Describe what to check
"Did the assistant address the user's budget constraints?"
Pick a type, write a prompt in plain English. That's your eval.
Get results
"User set a $2K budget and assistant stayed within it."
Charts, per-trace reasoning, and LLM explanations. In minutes.
See it in action
Real results from evaluating 10 trip-planning assistant conversations
Budget responsiveness
Did the assistant address the user's budget?
| # | Trace | Result |
|---|---|---|
| 1 | Trip to Porto | False |
| 2 | Morocco trip | True |
| 3 | Japan anniversary | False |
| 4 | SE Asia backpacking | True |
| 5 | San Diego family | True |
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Such a clean interface and exactly the kind of quick n dirty evals I want when I don't want to touch a shit load of infra. Miles better than Langsmith tbh.
Sashank Pisupati, PhD
MTS @ Reflection | post-training, alignment, RL