---
title: "Changes to Returns a page of the requested confidence zone of an A-vs-B matchup — the prompts A clearly\n wins, the coin flips, or the prompts B clearly wins."
method: GET
path: "/benchmark/{benchmarkId}/matchup-breakdown"
---

# Changes to Returns a page of the requested confidence zone of an A-vs-B matchup — the prompts A clearly
 wins, the coin flips, or the prompts B clearly wins.

`GET /benchmark/{benchmarkId}/matchup-breakdown`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 24 revisions.

- **2026-10-19** `c72c9f1c8ef5`: 1 breaking
- **2026-10-05** `21c16ab2e7ab`: 1 info
- **2026-09-15** `ebc7fbc31114`: 4 breaking, 4 info
- **2026-09-04** `9da534659e5f`: 1 info

## Changes

- **2026-10-19** `c72c9f1c8ef5`: 1 breaking
  - removed the enum value `undefined` from the `query` request parameter `zone`
- **2026-10-05** `21c16ab2e7ab`: 1 info
  - added the optional property `items/items/promptAsset/allOf[#/components/schemas/IAsset]/oneOf[#/components/schemas/IAssetTextAsset]/translatedText` to the response with the `200` status
- **2026-09-15** `ebc7fbc31114`: 4 breaking, 4 info
  - the `items/items/promptAsset/allOf[#/components/schemas/IAsset]/oneOf[#/components/schemas/IAssetFileAsset]/metadata/additionalProperties/oneOf[#/components/schemas/IMetadataVideoDurationMetadata]/duration` response's property format changed from `date-time` to no format for status `200`
  - the `items/items/promptAsset/allOf[#/components/schemas/IAsset]/oneOf[#/components/schemas/IAssetMultiAsset]/metadata/additionalProperties/oneOf[#/components/schemas/IMetadataVideoDurationMetadata]/duration` response's property format changed from `date-time` to no format for status `200`
  - the `items/items/promptAsset/allOf[#/components/schemas/IAsset]/oneOf[#/components/schemas/IAssetNullAsset]/metadata/additionalProperties/oneOf[#/components/schemas/IMetadataVideoDurationMetadata]/duration` response's property format changed from `date-time` to no format for status `200`
  - the `items/items/promptAsset/allOf[#/components/schemas/IAsset]/oneOf[#/components/schemas/IAssetTextAsset]/metadata/additionalProperties/oneOf[#/components/schemas/IMetadataVideoDurationMetadata]/duration` response's property format changed from `date-time` to no format for status `200`
  - the `items/items/promptAsset/allOf[#/components/schemas/IAsset]/oneOf[#/components/schemas/IAssetFileAsset]/metadata/additionalProperties/oneOf[#/components/schemas/IMetadataVideoDurationMetadata]/duration` response's property pattern `^-?(\d+\.)?\d{2}:\d{2}:\d{2}(\.\d{1,7})?$` was added for the status `200`
  - the `items/items/promptAsset/allOf[#/components/schemas/IAsset]/oneOf[#/components/schemas/IAssetMultiAsset]/metadata/additionalProperties/oneOf[#/components/schemas/IMetadataVideoDurationMetadata]/duration` response's property pattern `^-?(\d+\.)?\d{2}:\d{2}:\d{2}(\.\d{1,7})?$` was added for the status `200`
  - the `items/items/promptAsset/allOf[#/components/schemas/IAsset]/oneOf[#/components/schemas/IAssetNullAsset]/metadata/additionalProperties/oneOf[#/components/schemas/IMetadataVideoDurationMetadata]/duration` response's property pattern `^-?(\d+\.)?\d{2}:\d{2}:\d{2}(\.\d{1,7})?$` was added for the status `200`
  - the `items/items/promptAsset/allOf[#/components/schemas/IAsset]/oneOf[#/components/schemas/IAssetTextAsset]/metadata/additionalProperties/oneOf[#/components/schemas/IMetadataVideoDurationMetadata]/duration` response's property pattern `^-?(\d+\.)?\d{2}:\d{2}:\d{2}(\.\d{1,7})?$` was added for the status `200`
- **2026-09-04** `9da534659e5f`: 1 info
  - the security scope `api` was added to the endpoint's security scheme `OpenIdConnect`

---

[Operation](https://skmtc.dev/rapidata/apis/rapidata-api/docs/benchmark/:benchmarkId/matchup-breakdown/get.md) - [API](https://skmtc.dev/rapidata/apis/rapidata-api.md) - [Page](https://skmtc.dev/rapidata/apis/rapidata-api/changes/benchmark/:benchmarkId/matchup-breakdown/get)