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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

Retrieve Message Batch results changedapi/beta/messages/batches/results

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 125 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits19to this page, all time

The whole hunk

from line 125, old and new numbered
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from line 125
125125 
126126 - `"ce-plugins-2026-09-01"`
127127 
128 - `"spend-limit-reads-2026-09-26"`
129 
128130- `"anthropic-workspace-id": optional string`
129131 
130132 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 2952
29502952 
29512953 Powerful intelligence for long-running agents and coding
29522954 
2955 - `"claude-mythos-preview"`
2956 
2957 **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.
2958 
2959 New class of intelligence, strongest in coding and cybersecurity
2960 
29532961 - `"claude-sonnet-4-5"`
29542962 
2963 **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.
2964 
29552965 High-performance model for agents and coding
29562966 
29572967 - `"claude-sonnet-4-5-20250929"`
29582968 
2959 High-performance model for agents and coding
2969 **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.
29602970 
2961 - `"claude-mythos-preview"`
2962 
2963 **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.
2964 
2965 New class of intelligence, strongest in coding and cybersecurity
2971 High-performance model for agents and coding
29662972 
29672973 - `string`
29682974 
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