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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
One change · api

beta-headers changedapi/beta-headers

Nearest release: v2.1.309, published 3 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+6added
Lines−6removed
From line 114 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits16to this page, all time

The whole hunk

from line 114, old and new numbered
/
lines
from line 114
114114 AnthropicClient client = AnthropicOkHttpClient.fromEnv();
115115 
116116 MessageCreateParams params = MessageCreateParams.builder()
117 .model(Model.CLAUDE_OPUS_5_5)
118 .maxTokens(1024)
119 .addUserMessage("Hello, Claude")
120 .addBeta(AnthropicBeta.CONTEXT_MANAGEMENT_2025_06_27)
121 .build();
117 .model(Model.CLAUDE_OPUS_5_5)
118 .maxTokens(1024)
119 .addUserMessage("Hello, Claude")
120 .addBeta(AnthropicBeta.CONTEXT_MANAGEMENT_2025_06_27)
121 .build();
122122 
123123 BetaMessage message = client.beta().messages().create(params);
124124 System.out.println(message.content());
from line 130
130130 $message = $client->beta->messages->create(
131131 maxTokens: 1024,
132132 messages: [['role' => 'user', 'content' => 'Hello, Claude']],
133 model: 'claude-opus-5-5',
133 model: Model::CLAUDE_OPUS_5_5,
134134 betas: ['context-management-2025-06-27'],
135135 );
136136 
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