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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
One change · api

Request 2 caches its request content (not the response) changedbuild-with-claude/prompt-caching

Nearest release: v2.1.235, published 10 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+0added
Lines−120removed
From line 3,310 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits26to this page, all time

The whole hunk

from line 3310, old and new numbered
/
lines
from line 3310
33103310 ```python Python
33113311 client.beta.prompt_caching.messages.create(**params)
33123312 ```
3313 
3314 ```typescript TypeScript
3315 const client = new Anthropic();
3316 
3317 const response = await client.beta.promptCaching.messages.create({
3318 model: "claude-opus-5",
3319 max_tokens: 1024,
3320 system: [
3321 {
3322 type: "text",
3323 text: "You are an expert on this large document...",
3324 cache_control: { type: "ephemeral" }
3325 }
3326 ],
3327 messages: [{ role: "user", content: "Summarize the key points" }]
3328 });
3329 
3330 console.log(response);
3331 ```
3332 
3333 ```php PHP
3334 $client = new Client();
3335 
3336 $message = $client->beta->promptCaching->messages->create(
3337 maxTokens: 1024,
3338 messages: [
3339 ['role' => 'user', 'content' => 'Summarize the key points']
3340 ],
3341 model: 'claude-opus-5',
3342 system: [
3343 [
3344 'type' => 'text',
3345 'text' => 'You are an expert on this large document...',
3346 'cache_control' => ['type' => 'ephemeral']
3347 ]
3348 ],
3349 );
3350 
3351 echo json_encode($message, JSON_PRETTY_PRINT), PHP_EOL;
3352 ```
3353 
3354 ```ruby Ruby
3355 client = Anthropic::Client.new
3356 
3357 message = client.beta.prompt_caching.messages.create(
3358 model: "claude-opus-5",
3359 max_tokens: 1024,
3360 system: [
3361 {
3362 type: "text",
3363 text: "You are an expert on this large document...",
3364 cache_control: { type: "ephemeral" }
3365 }
3366 ],
3367 messages: [
3368 { role: "user", content: "Summarize the key points" }
3369 ]
3370 )
3371 puts message.content.find { it.type == :text }.text
3372 ```
33733313 </CodeGroup>
33743314 
33753315 Use:
from line 3317
33773317 <CodeGroup>
33783318 ```python Python
33793319 client.messages.create(**params)
3380 ```
3381 
3382 ```typescript TypeScript
3383 const client = new Anthropic();
3384 
3385 const response = await client.messages.create({
3386 model: "claude-opus-5",
3387 max_tokens: 1024,
3388 system: [
3389 {
3390 type: "text",
3391 text: "You are an expert on this large document...",
3392 cache_control: { type: "ephemeral" }
3393 }
3394 ],
3395 messages: [{ role: "user", content: "Summarize the key points" }]
3396 });
3397 
3398 console.log(response);
3399 ```
3400 
3401 ```php PHP
3402 $client = new Client();
3403 
3404 $message = $client->messages->create(
3405 maxTokens: 1024,
3406 messages: [
3407 ['role' => 'user', 'content' => 'Summarize the key points']
3408 ],
3409 model: 'claude-opus-5',
3410 system: [
3411 [
3412 'type' => 'text',
3413 'text' => 'You are an expert on this large document...',
3414 'cache_control' => ['type' => 'ephemeral']
3415 ]
3416 ],
3417 );
3418 
3419 echo json_encode($message, JSON_PRETTY_PRINT), PHP_EOL;
3420 ```
3421 
3422 ```ruby Ruby
3423 client = Anthropic::Client.new
3424 
3425 message = client.messages.create(
3426 model: "claude-opus-5",
3427 max_tokens: 1024,
3428 system: [
3429 {
3430 type: "text",
3431 text: "You are an expert on this large document...",
3432 cache_control: { type: "ephemeral" }
3433 }
3434 ],
3435 messages: [
3436 { role: "user", content: "Summarize the key points" }
3437 ]
3438 )
3439 puts message
34403320 ```
34413321 </CodeGroup>
34423322 </Accordion>
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