Guide
How to Evaluate Local Models Before Production
The right evaluation is small, repeatable, and tied to the job your app actually performs.
Who this is for
Developers moving from local AI demos to internal or customer-facing tools.
Recommended stack
- A small task dataset
- Ragas or DeepEval
- Langfuse or Phoenix
- Manual review of failures
Build a task set
Collect real prompts, source documents, expected answers, and known failure examples.
Measure practical constraints
Track latency, memory use, cost, hallucinations, citation quality, and fallback behavior.
Keep regression history
Every model, prompt, and retrieval change should be testable against the same small dataset.
Practical recommendations
- Start with 20 to 50 real examples
- Separate retrieval failures from generation failures
- Review bad answers weekly
Tradeoffs
Automated evals help, but they cannot replace human review for ambiguous or high-stakes outputs.
Related links
FAQ
Do I need a benchmark leaderboard?
Use leaderboards for shortlisting, but production readiness needs your own task set.
Sources
Next steps
Use the model and tool directories to choose the concrete pieces for your local AI stack. Sponsor and affiliate placements will be added later.