--- title: "GET /experimental/eval-runs/{id}/stats" method: GET path: "/experimental/eval-runs/{id}/stats" tags: ["Evals"] --- # GET /experimental/eval-runs/{id}/stats `GET /experimental/eval-runs/{id}/stats` Returns aggregated stats per (scenario × variant) group for an eval run. Every numeric quantity carries the full distribution suite — Min, Q1, Median, Mean, Q3, Max, StdDev — never bare means. ## Path parameters - `id` string, uuid, required ## Response `200` Default Response - object - `links` object, required - `self` string, uri, required - `data` object, required - `id` string, uuid, required - `type` 'eval-run-stats', required - `attributes` object, required - `groups` object[], required - `scenarioId` string, uuid, required - `variant` string, required - `path` string - `shortDescription` string - `repeatCount` number, required - `recipe` object, required - `durationMs` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `agentDurationMs` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `costUsd` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `inputTokens` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `outputTokens` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `totalTokens` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `cacheReadTokens` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `cacheCreationTokens` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `turns` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `score` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `metricsMissing` number, required - `perTurn` object - `turns` object, required - `durationMs` object, required - … - `tokensPerTurn` object, required - … - `cachedTokensPerTurn` object, required - … - `tools` object, required - `perTool` object[], required - … - `allTools` object, required - … - `agentLogUnavailable` number, required - `scorer` object - `totalTimeMs` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `scorerTaskTimeMs` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `costUsd` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `inputTokens` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `outputTokens` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `cacheReadTokens` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `cacheCreationTokens` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `metricsMissing` number, required - `criteria` object[] - `name` string, required - `maxScore` number, required - `score` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `arms` object[], required - `label` string, required - `agent` string, required - `model` string, required - `includeContext` boolean, required - `forceContextActivation` boolean, required - `fixtureNames` string[], required - `addedFixtureNames` string[], required - `deletedFixtureNames` string[], required - `baseFixtureNames` string[], required - `variedDimensionKeys` string[], required - `summary` object[], required - `label` string, required - `meanScore` number - `scoreStdDev` number - `medianCostUsd` number - `repeatCount` number, required - `scenarioCount` number, required - `missingScoreCount` number, required - `missingCostCount` number, required - `score` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `costUsd` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `agentDurationMs` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `totalTokens` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `inputTokens` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `outputTokens` object, required - `count` number, required - `missingCount` number, required - `min` number, required - `q1` number, required - `median` number, required - `mean` number, required - `q3` number, required - `max` number, required - `stdDev` number, required - `totalCostUsd` number - `solutionCount` number, required - `reusedCount` number, required ## Other responses - `404` — Not Found - `500` — Internal Server Error ## Changes - **2026-09-10** `e57a144d1cab` — 4 info - added the required property `data/attributes/arms/items/addedFixtureNames` to the response with the `200` status - added the required property `data/attributes/arms/items/deletedFixtureNames` to the response with the `200` status - added the required property `data/attributes/baseFixtureNames` to the response with the `200` status - added the required property `data/attributes/groups/items/recipe/totalTokens` to the response with the `200` status - **2026-09-08** `989fccac42c5` — 13 info - added the optional property `data/attributes/summary/items/totalCostUsd` to the response with the `200` status - the response property `data/attributes/arms/items/forceContextActivation` became required for the status `200` - response property `data/attributes/summary/items/meanScore` deprecated - response property `data/attributes/summary/items/medianCostUsd` deprecated - …9 more - **2026-09-04** `ffb03b5d287f` — 4 info - added the optional property `data/attributes/groups/items/criteria` to the response with the `200` status - added the required property `data/attributes/arms` to the response with the `200` status - added the required property `data/attributes/summary` to the response with the `200` status - added the required property `data/attributes/variedDimensionKeys` to the response with the `200` status - **2026-09-01** `756235b720be` — 1 info - endpoint added [Change history](https://skmtc.dev/tessl/apis/tessl-api/changes/experimental/eval-runs/:id/stats/get.md) --- [API](https://skmtc.dev/tessl/apis/tessl-api.md) · [All operations](https://skmtc.dev/tessl/apis/tessl-api/llms.txt) · [OpenAPI document](https://skmtc.dev/tessl/apis/tessl-api/revisions/6da83f4191fc?raw)