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Documentation Index

Fetch the complete documentation index at: https://narev.ai/docs/llms.txt

Use this file to discover all available pages before exploring further.

Use your production traces as test datasets. Instead of guessing which model works better, test against the prompts your users are actually sending.

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Prerequisites

  • An active W&B account with Weave instrumentation
  • W&B API key
  • Production traces in your Weave project

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Setup

  1. Create a new A/B test
  2. Navigate to Setup tab
  3. In the Data Source section select *Import from traces
  4. Select W&B Wave as provider
  5. Enter your credentials:
    • Entity: Your W&B entity (username or team name)
    • Project Name: Your Weave project identifier
    • API Key: Your W&B API key
  6. Select your Date Range (default: last 7 days)
  7. Click Save Project to import traces
Import traces from Weights and Biases Weave interface

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Common questions

No. Narev reads from your existing Weave project without any changes to your instrumentation.
Yes. Narev imports prompts and usage patterns from Weave, then lets you test any supported model provider on those same prompts.
No. Narev imports traces to run experiments but doesn’t write back to Weave.
Yes. Narev imports all types of Weave operations including agents, chains, and individual LLM calls.