Follow Discord
Sweep 02 Oct 2026 · 18:55Z Build v2.1.288 509 read Stable v2.1.285 Latest v2.1.288 Next v2.1.288 Feeds RSS JSON llms.txt llms-full.txt Unofficial
One change · api

Create a Message Batch changedapi/beta/messages/batches/create

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+12added
Lines−6removed
From line 119 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits17to this page, all time

The whole hunk

from line 119, old and new numbered
/
lines
from line 119
119119 
120120 - `"ce-plugins-2026-09-01"`
121121 
122 - `"spend-limit-reads-2026-09-26"`
123 
122124- `"anthropic-user-profile-id": optional string`
123125 
124126 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 3188
31863188 
31873189 Powerful intelligence for long-running agents and coding
31883190 
3191 - `"claude-mythos-preview"`
3192 
3193 **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.
3194 
3195 New class of intelligence, strongest in coding and cybersecurity
3196 
31893197 - `"claude-sonnet-4-5"`
31903198 
3199 **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.
3200 
31913201 High-performance model for agents and coding
31923202 
31933203 - `"claude-sonnet-4-5-20250929"`
31943204 
3195 High-performance model for agents and coding
3205 **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.
31963206 
3197 - `"claude-mythos-preview"`
3198 
3199 **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.
3200 
3201 New class of intelligence, strongest in coding and cybersecurity
3207 High-performance model for agents and coding
32023208 
32033209 - `string`
32043210 
Feedback