{
  "tool_id": "prompt-regression-tester",
  "slug": "prompt-regression-tester",
  "path": "/prompt-regression-tester/",
  "mode": "client_side",
  "usage": "Client-side playground. Open https://aifinhub.io/prompt-regression-tester/ to run one prompt across Claude/GPT/Gemini using your own keys. Keys stay in the browser.",
  "methodology": "https://aifinhub.io/methodology/prompt-regression-tester/",
  "sample_input": {
    "tool": "prompt-regression-tester",
    "baseline": "",
    "label": "",
    "output": "",
    "n": 3
  },
  "input_schema": {
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    "properties": {
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      "baseline": {
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    "required": [
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  "output_schema": {
    "type": "object",
    "properties": {
      "per_model": {
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        "items": {
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            "drift_score": {
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            "mean_length": {
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      },
      "pairwise_agreement": {
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}