Sweep 22 Sep 2026 · 15:52Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
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One change · api

Create a Message changed

api/beta/messages/create

Nearest release: v2.1.269, published under 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.

Recorded here
Lines+0added
Lines−32removed
From line 529 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits13to this page, all time

The whole hunk

from line 529, old and new numbered
/
lines
from line 529
529529 
530530 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
531531 
532 Tool invocation directly from the model.
533 
534532 - `BetaDirectCaller object`
535533 
536534 Tool invocation directly from the model.
from line 784
786784 
787785 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
788786 
789 Tool invocation directly from the model.
790 
791787 - `BetaDirectCaller object`
792788 
793789 Tool invocation directly from the model.
from line 840
844840 
845841 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
846842 
847 Tool invocation directly from the model.
848 
849843 - `BetaDirectCaller object`
850844 
851845 Tool invocation directly from the model.
from line 906
912906 
913907 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
914908 
915 Tool invocation directly from the model.
916 
917909 - `BetaDirectCaller object`
918910 
919911 Tool invocation directly from the model.
from line 974
982974 
983975 - `content: BetaCodeExecutionToolResultBlockParamContent`
984976 
985 Code execution result with encrypted stdout for PFC + web_search results.
986 
987977 - `BetaCodeExecutionToolResultErrorParam object`
988978 
989979 - `type: "code_execution_tool_result_error"`
from line 1295
13051295 
13061296 - `tool: BetaToolChangeToolReference or BetaToolChangeMCPToolReference or BetaToolChangeMCPToolsetReference`
13071297 
1308 Reference to a single tool the caller declared directly in
1309 `tools[]`. Does not accept the composed `{server}_{name}` form the
1310 server assigns to MCP-resolved tools — use `mcp_tool_reference` or
1311 `mcp_toolset_reference` for those.
1312 
13131298 - `BetaToolChangeToolReference object`
13141299 
13151300 Reference to a single tool the caller declared directly in
from line 1343
13581343 
13591344 - `tool: BetaToolChangeToolReference or BetaToolChangeMCPToolReference or BetaToolChangeMCPToolsetReference`
13601345 
1361 Reference to a single tool the caller declared directly in
1362 `tools[]`. Does not accept the composed `{server}_{name}` form the
1363 server assigns to MCP-resolved tools — use `mcp_tool_reference` or
1364 `mcp_toolset_reference` for those.
1365 
13661346 - `BetaToolChangeToolReference object`
13671347 
13681348 Reference to a single tool the caller declared directly in
from line 4219
42394219 
42404220 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
42414221 
4242 Tool invocation directly from the model.
4243 
42444222 - `BetaDirectCaller object`
42454223 
42464224 Tool invocation directly from the model.
from line 4281
43034281 
43044282 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
43054283 
4306 Tool invocation directly from the model.
4307 
43084284 - `BetaDirectCaller object`
43094285 
43104286 Tool invocation directly from the model.
from line 4339
43634339 
43644340 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
43654341 
4366 Tool invocation directly from the model.
4367 
43684342 - `BetaDirectCaller object`
43694343 
43704344 Tool invocation directly from the model.
from line 4443
44694443 
44704444 - `caller: optional BetaDirectCaller or BetaServerToolCaller or BetaServerToolCaller20260120`
44714445 
4472 Tool invocation directly from the model.
4473 
44744446 - `BetaDirectCaller object`
44754447 
44764448 Tool invocation directly from the model.
from line 4521
45494521 
45504522 - `content: BetaCodeExecutionToolResultBlockContent`
45514523 
4552 Code execution result with encrypted stdout for PFC + web_search results.
4553 
45544524 - `BetaCodeExecutionToolResultError object`
45554525 
45564526 - `type: "code_execution_tool_result_error"`
from line 5812
58425812 default: content_block_start
58435813 
58445814 - `content_block: BetaTextBlock or BetaThinkingBlock or BetaRedactedThinkingBlock or 14 more`
5845 
5846 Response model for a file uploaded to the container.
58475815 
58485816 - `BetaTextBlock object`
58495817