Batches changedapi/beta/messages/batches
Nearest release: v2.1.287, published 4 hours 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.
Recorded here
Lines+62added
Lines−30removed
From line
121
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits20to this page, all time
The whole hunk
from line 121, old and new numbered
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from line 121
121121
122122 - `"ce-plugins-2026-09-01"`
123123
124 - `"spend-limit-reads-2026-09-26"`
125
124126- `"anthropic-user-profile-id": optional string`
125127
126128 The user profile ID to attribute the requests in this batch to. Use when acting on behalf of a party other than your organization. Requires the `user-profiles` beta header. Applies to every request in the batch; an individual request whose `user_profile_id` body field conflicts with this header is errored.
from line 3190
31883190
31893191 Powerful intelligence for long-running agents and coding
31903192
3193 - `"claude-mythos-preview"`
3194
3195 **Deprecated**: Will reach end-of-life on June 30, 2026. Please migrate to claude-mythos-5. Visit https://docs.anthropic.com/en/docs/resources/model-deprecations for more information.
3196
3197 New class of intelligence, strongest in coding and cybersecurity
3198
31913199 - `"claude-sonnet-4-5"`
31923200
3201 **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet-5-5. Visit https://docs.anthropic.com/en/docs/resources/model-deprecations for more information.
3202
31933203 High-performance model for agents and coding
31943204
31953205 - `"claude-sonnet-4-5-20250929"`
31963206
3207 **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet-5-5. Visit https://docs.anthropic.com/en/docs/resources/model-deprecations for more information.
3208
31973209 High-performance model for agents and coding
31983210
3199 - `"claude-mythos-preview"`
3200
3201 **Deprecated**: Will reach end-of-life on June 30, 2026. Please migrate to claude-mythos-5. Visit https://docs.anthropic.com/en/docs/resources/model-deprecations for more information.
3202
3203 New class of intelligence, strongest in coding and cybersecurity
3204
32053211 - `string`
32063212
32073213 - `name: "advisor"`
from line 4539
45334539
45344540 - `"ce-plugins-2026-09-01"`
45354541
4542 - `"spend-limit-reads-2026-09-26"`
4543
45364544- `"anthropic-workspace-id": optional string`
45374545
45384546 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 4821
48134821
48144822 - `"ce-plugins-2026-09-01"`
48154823
4824 - `"spend-limit-reads-2026-09-26"`
4825
48164826- `"anthropic-workspace-id": optional string`
48174827
48184828 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 5112
51025112
51035113 - `"ce-plugins-2026-09-01"`
51045114
5115 - `"spend-limit-reads-2026-09-26"`
5116
51055117- `"anthropic-workspace-id": optional string`
51065118
51075119 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 5385
53735385
53745386 - `"ce-plugins-2026-09-01"`
53755387
5388 - `"spend-limit-reads-2026-09-26"`
5389
53765390- `"anthropic-workspace-id": optional string`
53775391
53785392 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 5550
55365550
55375551 - `"ce-plugins-2026-09-01"`
55385552
5553 - `"spend-limit-reads-2026-09-26"`
5554
55395555- `"anthropic-workspace-id": optional string`
55405556
55415557 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 7366
73507366
73517367 - `allowed_callers: optional array of "direct" or "code_execution_20250825" or "code_execution_20260120" or "code_execution_20260521"`
73527368
7353 - `"direct"`
7354
7355 - `"code_execution_20250825"`
7356
7357 - `"code_execution_20260120"`
7358
7359 - `"code_execution_20260521"`
7360
7361 - `cache_control: optional BetaCacheControlEphemeral or null`
7362
7363 Create a cache control breakpoint at this content block.
7364
7365 - `defer_loading: optional boolean`
7366
7367 If true, tool will not be included in initial system prompt. Only loaded when returned via tool_reference from tool search.
7368
7369 - `input_examples: optional array of map[unknown]`
7370
7371
7369
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