---
title: "Compare this run with its group's baseline"
method: GET
path: "/api/eval-runs/{id}/comparison/"
tags: ["eval-runs"]
---

# Compare this run with its group's baseline

`GET /api/eval-runs/{id}/comparison/`

## Request

- Base URL: `https://api.overmindlab.ai`
- URL: `https://api.overmindlab.ai/api/eval-runs/{id}/comparison/`
- Auth: one of:
  - HTTP bearer
  - API key in header `X-Api-Key`
  - API key in cookie `sessionid`
  - API key in header `X-Api-Key`
  - HTTP bearer

404 until a completed baseline exists in the run's group.

## Path parameters

- `id` string, uuid, required

## Response `200`

- EvalRunComparison
  - `baseline_run_id` string, uuid, required
  - `candidate_run_id` string, uuid, required
  - `baseline_label` string, required
  - `candidate_label` string, required
  - `overall` OverallComparison, required
    - `baseline` number, double, nullable, required
    - `candidate` number, double, nullable, required
    - `delta` number, double, nullable, required
    - `status` string, required
  - `paired` integer, required
  - `wins` integer, required
  - `losses` integer, required
  - `ties` integer, required
  - `metrics` MetricComparison[], required
    - `name` string, required
    - `baseline` number, double, nullable, required
    - `candidate` number, double, nullable, required
    - `delta` number, double, nullable, required
    - `status` string, required
  - `trust` object, required

---

[API](https://skmtc.dev/overmindlab/apis/overmind-api.md) - [All operations](https://skmtc.dev/overmindlab/apis/overmind-api/llms.txt) - [OpenAPI document](https://skmtc.dev/overmindlab/apis/overmind-api/revisions/0ecfd39e80c6?raw)