---
title: "Returns usage statistics grouped by models and users."
method: GET
path: "/stats/usage_by_model_and_user"
tags: ["Models"]
---

# Returns usage statistics grouped by models and users.

`GET /stats/usage_by_model_and_user`

## Request

- Base URL: `https://h2ogpte.genai.h2o.ai/api/v1`
- URL: `https://h2ogpte.genai.h2o.ai/api/v1/stats/usage_by_model_and_user`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/h2o/apis/h2ogpte-rest-api/docs/stats/usage_by_model_and_user/get.ts> (a function with typed inputs; its response is checked against the schema)

Returns usage statistics grouped by models and users.

## Query parameters

- `interval` string, required

## Response `200`

Successful operation

- UsageStatsPerModelAndUser[]
  - `llm_name` string, required
  - `total_cost` number, double, required
  - `total_calls` integer, required
  - `total_input_tokens` integer, required
  - `total_output_tokens` integer, required
  - `user_usage` ModelUsageStatsPerUser[], required
    - `user_id` string, required
    - `username` string, required
    - `email` string, required
    - `llm_cost` number, double, required
    - `call_count` integer, required
    - `input_tokens` integer, required
    - `output_tokens` integer, required

## Other responses

- `400`: Bad request
- `401`: Unauthorized - Invalid or missing API key
- `default`: Unexpected error

---

[API](https://skmtc.dev/h2o/apis/h2ogpte-rest-api.md) - [All operations](https://skmtc.dev/h2o/apis/h2ogpte-rest-api/llms.txt) - [OpenAPI document](https://skmtc.dev/h2o/apis/h2ogpte-rest-api/revisions/a82a117320f4?raw)