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Sweep 25 Sep 2026 · 19:33Z Build v2.1.283 504 read Stable v2.1.274 Latest v2.1.283 Next v2.1.283 Feeds RSS JSON llms.txt llms-full.txt Unofficial
One change · api

Create a Message Batch changedapi/messages/batches/create

Nearest release: v2.1.281, published an hour 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+5added
Lines−1removed
From line 1,093 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits12to this page, all time

The whole hunk

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10931093 
10941094 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
10951095 
1096 - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more`
1096 - `"claude-fable-5-1" or "claude-opus-5-5" or "claude-mythos-5-1" or 15 more`
10971097 
10981098 The model that will complete your prompt.
10991099 
from line 1102
11021102 - `"claude-fable-5-1"`
11031103 
11041104 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
1105 
1106 - `"claude-opus-5-5"`
1107 
1108 Powerful intelligence for coding, knowledge work, and long-running agents
11051109 
11061110 - `"claude-mythos-5-1"`
11071111 
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