get-started changedget-started
Nearest release: v2.1.280, published under 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+13added
Lines−13removed
From line
31
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits36to this page, all time
The whole hunk
from line 31, old and new numbered
/
from line 31
3131 -H "x-api-key: $ANTHROPIC_API_KEY" \
3232 -H "anthropic-version: 2023-06-01" \
3333 -d '{
34 "model": "claude-opus-5",
34 "model": "claude-opus-5-5",
3535 "max_tokens": 1000,
3636 "messages": [
3737 {
from line 46
4646
4747 ```json Output
4848 {
49 "model": "claude-opus-5",
49 "model": "claude-opus-5-5",
5050 "id": "msg_013mHbppMPd2PrVJzGMZPt2D",
5151 "type": "message",
5252 "role": "assistant",
from line 102
102102
103103 ```bash CLI
104104 ant messages create \
105 --model claude-opus-5 \
105 --model claude-opus-5-5 \
106106 --max-tokens 1000 \
107107 --message '{
108108 role: user,
from line 114
114114
115115 ```json Output
116116 {
117 "model": "claude-opus-5",
117 "model": "claude-opus-5-5",
118118 "id": "msg_01N1ycuCkM5Mzd7WhTU4fwST",
119119 "type": "message",
120120 "role": "assistant",
from line 161
161161 client = anthropic.Anthropic()
162162
163163 message = client.messages.create(
164 model="claude-opus-5",
164 model="claude-opus-5-5",
165165 max_tokens=1000,
166166 messages=[
167167 {
from line 221
221221 const client = new Anthropic();
222222
223223 const message = await client.messages.create({
224 model: "claude-opus-5",
224 model: "claude-opus-5-5",
225225 max_tokens: 1000,
226226 messages: [
227227 {
from line 286
286286
287287 var message = await client.Messages.Create(new MessageCreateParams
288288 {
289 Model = Model.ClaudeOpus5,
289 Model = Model.ClaudeOpus5_5,
290290 MaxTokens = 1000,
291291 Messages =
292292 [
from line 362
362362 client := anthropic.NewClient()
363363
364364 message, err := client.Messages.New(context.Background(), anthropic.MessageNewParams{
365 Model: anthropic.ModelClaudeOpus5,
365 Model: anthropic.ModelClaudeOpus5_5,
366366 MaxTokens: 1000,
367367 Messages: []anthropic.MessageParam{
368368 anthropic.NewUserMessage(anthropic.NewTextBlock("What should I search for to find the latest developments in renewable energy?")),
from line 436
436436 }
437437
438438 dependencies {
439 implementation("com.anthropic:anthropic-java:2.63.0")
439 implementation("com.anthropic:anthropic-java:2.65.0")
440440 }
441441
442442 application {
from line 462
462462 <dependency>
463463 <groupId>com.anthropic</groupId>
464464 <artifactId>anthropic-java</artifactId>
465 <version>2.63.0</version>
465 <version>2.65.0</version>
466466 </dependency>
467467 </dependencies>
468468 </project>
from line 484
484484 var client = AnthropicOkHttpClient.fromEnv();
485485
486486 var params = MessageCreateParams.builder()
487 .model(Model.CLAUDE_OPUS_5)
487 .model(Model.CLAUDE_OPUS_5_5)
488488 .maxTokens(1000)
489489 .addUserMessage(
490490 "What should I search for to find the latest developments in renewable energy?"
from line 556
556556 $client = new Client();
557557
558558 $message = $client->messages->create(
559 model: Model::CLAUDE_OPUS_5,
559 model: Model::CLAUDE_OPUS_5_5,
560560 maxTokens: 1000,
561561 messages: [
562562 [
from line 617
617617 client = Anthropic::Client.new
618618
619619 message = client.messages.create(
620 model: Anthropic::Model::CLAUDE_OPUS_5,
620 model: Anthropic::Model::CLAUDE_OPUS_5_5,
621621 max_tokens: 1000,
622622 messages: [
623623 {
No line in this hunk matches that.