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Sweep 28 Aug 2026 ยท 00:00Z Build v2.1.250 478 read Stable v2.1.236 Latest v2.1.250 Next v2.1.250 Feeds RSS JSON llms.txt

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

One change

List Models

api/beta/models/list

first seen The page's own history The capture it came from

Nearest release: v2.1.245, published an hour after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

api/beta/models/list Changed · +15 / -16 lines

# List Models ## Query parameters ## Headers ## Returns ## Example ### Response (200) ## List Models ### Query Parameters ### Header Parameters ### Returns ### Example #### Response

from line 1
----
-title: List Models
-url: https://platform.claude.com/docs/en/api/beta/models/list
----
+# List Models
 
-## List Models
+**GET** `/v1/models`
 
-**get** `/v1/models`
-
 List available models.
 
 The Models API response can be used to determine which models are available for use in the API. More recently released models are listed first.
 
-### Query Parameters
+## Query parameters
 
 - `after_id: optional string`
 
from line 22
 
   Defaults to `20`. Ranges from `1` to `1000`.
 
-### Header Parameters
+  default: 20, maximum: 1000, minimum: 1
 
+## Headers
+
 - `"anthropic-beta": optional array of AnthropicBeta`
 
   Optional header to specify the beta version(s) you want to use.
from line 102
 
     - `"mid-conversation-tool-changes-2026-07-01"`
 
-### Returns
+## Returns
 
 - `data: array of BetaModelInfo`
 
from line 218
 
     RFC 3339 datetime string representing the time at which the model was released. May be set to an epoch value if the release date is unknown.
 
+    format: date-time
+
   - `display_name: string`
 
     A human-readable name for the model.
from line 238
 
     For Models, this is always `"model"`.
 
-    - `"model"`
+    default: model
 
 - `first_id: string or null`
 
from line 252
 
   Last ID in the `data` list. Can be used as the `after_id` for the next page.
 
-### Example
+## Example
 
-```http
+```bash
 curl https://api.anthropic.com/v1/models \
     -H 'anthropic-version: 2023-06-01' \
     -H "X-Api-Key: $ANTHROPIC_API_KEY"
 ```
 
-#### Response
+### Response (200)
 
 ```json
 {