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PROJECT / Evaluation / Developer Tools

Prompt Evaluation Console

A developer tool for comparing prompts and models against versioned evaluation datasets.

EvaluationDeveloper ToolsLLMs
STATUS
shipped
YEAR
2026
ROLE
Full-stack Engineer
STACK
Next.js · TypeScript · Python · PostgreSQL

SYSTEM / ARCHITECTURE

How it fits together

  1. 01Dataset registry
  2. 02Run orchestrator
  3. 03Model adapters
  4. 04Scoring workers
  5. 05Comparison UI
Eval cases
1.4k
Model adapters
6
Run comparison
< 2m
01

The need

Prompt changes were being reviewed by intuition. The team needed a shared way to run the same cases, preserve results, and inspect regressions.

  • Versioned datasets
  • Comparable model settings
  • Human review alongside automated scores
02

Implementation

Runs are immutable records tied to dataset and prompt versions. A worker pool executes cases and streams partial results to the comparison interface.

  • Provider-neutral adapters
  • Retry-aware execution
  • Segment-level score breakdowns
03

Result

Prompt review became an engineering workflow with evidence instead of a collection of screenshots and anecdotes.