Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
One change · api

Agents changed

api/beta/agents

Nearest release: v2.1.274, published 7 hours 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.

Recorded here
Lines+18added
Lines−6removed
From line 19 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits9to this page, all time

The whole hunk

from line 19, old and new numbered
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This page is larger than the 256 KiB this site keeps, so one side of the diff below stops where the stored text does.

from line 19
1919 
2020 - `string`
2121 
22 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 42 more`
22 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`
2323 
2424 - `"message-batches-2024-09-24"`
2525 
from line 111
111111 
112112 - `"mid-conversation-system-clear-at-2026-08-21"`
113113 
114 - `"compact-2026-09-04"`
115 
114116- `"anthropic-workspace-id": optional string`
115117 
116118### Body parameters
from line 1542
15401542 
15411543 - `string`
15421544 
1543 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 42 more`
1545 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`
15441546 
15451547 - `"message-batches-2024-09-24"`
15461548 
from line 1634
16321634 
16331635 - `"mid-conversation-system-clear-at-2026-08-21"`
16341636 
1637 - `"compact-2026-09-04"`
1638 
16351639- `"anthropic-workspace-id": optional string`
16361640 
16371641### Returns
from line 2339
23352339 
23362340 - `string`
23372341 
2338 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 42 more`
2342 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`
23392343 
23402344 - `"message-batches-2024-09-24"`
23412345 
from line 2431
24272431 
24282432 - `"mid-conversation-system-clear-at-2026-08-21"`
24292433 
2434 - `"compact-2026-09-04"`
2435 
24302436- `"anthropic-workspace-id": optional string`
24312437 
24322438### Returns
from line 3119
31133119 
31143120 - `string`
31153121 
3116 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 42 more`
3122 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`
31173123 
31183124 - `"message-batches-2024-09-24"`
31193125 
from line 3211
32053211 
32063212 - `"mid-conversation-system-clear-at-2026-08-21"`
32073213 
3214 - `"compact-2026-09-04"`
3215 
32083216- `"anthropic-workspace-id": optional string`
32093217 
32103218### Body parameters
from line 4615
46074615 
46084616 - `string`
46094617 
4610 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 42 more`
4618 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`
46114619 
46124620 - `"message-batches-2024-09-24"`
46134621 
from line 4707
46994707 
47004708 - `"mid-conversation-system-clear-at-2026-08-21"`
47014709 
4710 - `"compact-2026-09-04"`
4711 
47024712- `"anthropic-workspace-id": optional string`
47034713 
47044714### Returns
from line 8376
83668376 
83678377 - `"claude-sonnet-4-5-20250929"`
83688378 
8369 High-performance model for agents and coding
8370 
8371 - `string`
8372 
8373 - `effort: optional "low" or "medium" or "high" or 2 more or BetaManagedAgentsEffortLow or Bet
8379 High-per