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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

Cost Report

api/admin/cost_report

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

Nearest release: v2.1.250, published an hour before 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/admin/cost_report Changed · +10 / -2 lines

from line 65
 
       End of the time bucket (exclusive) in RFC 3339 format.
 
+      format: date-time
+
     - `results: array of object`
 
       List of cost items for this time bucket. There may be multiple items if one or more `group_by[]` parameters are specified.
from line 148
 
       Start of the time bucket (inclusive) in RFC 3339 format.
 
+      format: date-time
+
   - `has_more: boolean`
 
     Indicates if there are more results.
from line 179
           "context_window": "0-200k",
           "cost_type": "tokens",
           "currency": "USD",
-          "description": "Claude Sonnet 4 Usage - Input Tokens",
+          "description": "Claude Opus 5 Usage - Input Tokens",
           "inference_geo": "global",
-          "model": "claude-opus-4-6",
+          "model": "claude-opus-5",
           "service_tier": "standard",
           "token_type": "uncached_input_tokens",
           "workspace_id": "wrkspc_01JwQvzr7rXLA5AGx3HKfFUJ"
from line 209
 
       End of the time bucket (exclusive) in RFC 3339 format.
 
+      format: date-time
+
     - `results: array of object`
 
       List of cost items for this time bucket. There may be multiple items if one or more `group_by[]` parameters are specified.
from line 291
     - `starting_at: string`
 
       Start of the time bucket (inclusive) in RFC 3339 format.
+
+      format: date-time
 
   - `has_more: boolean`