> ## Documentation Index
> Fetch the complete documentation index at: https://docs.platform.toloka.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# client.baseModels.list()

> List base models.

Return the base model catalog, including model names and fixed revisions.

## Signature

Method signature on `client.baseModels`:

```ts theme={null}
list(): Promise<BaseModel[]>;
```

## Parameters

This method takes no arguments.

## Returns

`Promise<BaseModel[]>`

Base models available in the catalog.

Returns an array. Each item has these fields:

**id** `"qwen3-4b" | "qwen3-8b" | "qwen3-32b" | "qwen3-235b"` *required*

Stable identifier of the catalog base model.

**displayName** `string` *required*

Display name of the base model.

**provider** `string` *required*

The model publisher shown in the base model catalog, such as Qwen.

**upstreamModel** `string` *required*

Published repository identifier for the base model.

**upstreamRevision** `string` *required*

Immutable source revision, as a 40-character hexadecimal commit hash.

**upstreamUrl** `string` *required*

URL of the exact published model revision.

## Errors

HTTP errors throw [`PotatoApiError`](https://docs.platform.toloka.ai/docs/sdk/errors). The endpoint documents these error responses:

| Status | Description |
| - | - |
| 429 | Rate limit exceeded |

HTTP endpoint: [`GET /base-models`](https://docs.platform.toloka.ai/docs/api-reference/base-models/list-base-models).

```ts list() theme={null}
import { createClient } from "@toloka-platform/sdk";

const client = createClient({
  baseUrl: "https://platform.toloka.ai",
  apiKey: process.env.TOLOKA_API_KEY!,
});

const baseModels = await client.baseModels.list();
console.log(baseModels);
```

```json list() theme={null}
[
  {
    "id": "qwen3-4b",
    "displayName": "<string>",
    "provider": "<string>",
    "upstreamModel": "<string>",
    "upstreamRevision": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
    "upstreamUrl": "https://example.com/resource"
  }
]
```


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