The whole hunk
from line 12, old and new numbered
/
lines
from line 12
1212 - claude-mythos-5-1
1313 - claude-fable-5
1414 - claude-mythos-5
15 - claude-opus-5-5
1516 - claude-opus-5
1617 - claude-sonnet-5
1718 - claude-opus-4-8
from line 43
4243 -H "x-api-key: $ANTHROPIC_API_KEY" \
4344 -H "anthropic-version: 2023-06-01" \
4445 -d '{
45 "model": "claude-opus-5",
46 "model": "claude-opus-5-5",
4647 "max_tokens": 2048,
4748 "tools": [
4849 {
from line 61
6061
6162 ```bash CLI
6263 ant messages create <<'YAML'
63 model: claude-opus-5
64 model: claude-opus-5-5
6465 max_tokens: 2048
6566 tools:
6667 - type: browser_toolset_20260801
from line 75
7475 client = anthropic.Anthropic()
7576
7677 response = client.messages.create(
77 model="claude-opus-5",
78 model="claude-opus-5-5",
7879 max_tokens=2048,
7980 tools=[{"type": "browser_toolset_20260801"}],
8081 messages=[
from line 92
9192 const client = new Anthropic();
9293
9394 const response = await client.messages.create({
94 model: "claude-opus-5",
95 model: "claude-opus-5-5",
9596 max_tokens: 2048,
9697 tools: [{ type: "browser_toolset_20260801" }],
9798 messages: [
from line 111
110111
111112 var parameters = new MessageCreateParams
112113 {
113 Model = Model.ClaudeOpus5,
114 Model = Model.ClaudeOpus5_5,
114115 MaxTokens = 2048,
115116 Tools = [new BrowserToolset20260801()],
116117 Messages =
from line 132
131132 client := anthropic.NewClient()
132133
133134 response, err := client.Messages.New(context.TODO(), anthropic.MessageNewParams{
134 Model: anthropic.ModelClaudeOpus5,
135 Model: anthropic.ModelClaudeOpus5_5,
135136 MaxTokens: 2048,
136137 Tools: []anthropic.ToolUnionParam{
137138 {OfBrowserToolset20260801: &anthropic.BrowserToolset20260801Param{}},
from line 155
154155 AnthropicClient client = AnthropicOkHttpClient.fromEnv();
155156
156157 MessageCreateParams params = MessageCreateParams.builder()
157 .model(Model.CLAUDE_OPUS_5)
158 .model(Model.CLAUDE_OPUS_5_5)
158159 .maxTokens(2048L)
159160 .addTool(BrowserToolset20260801.builder().build())
160161 .addUserMessage("Open example.com/docs and tell me how to get started.")
from line 174
173174 messages: [
174175 ['role' => 'user', 'content' => 'Open example.com/docs and tell me how to get started.'],
175176 ],
176 model: 'claude-opus-5',
177 model: 'claude-opus-5-5',
177178 tools: [
178179 ['type' => 'browser_toolset_20260801'],
179180 ],
from line 187
186187 client = Anthropic::Client.new
187188
188189 response = client.messages.create(
189 model: "claude-opus-5",
190 model: "claude-opus-5-5",
190191 max_tokens: 2048,
191192 tools: [
192193 { type: "browser_toolset_20260801" }
from line 211
210211 "id": "msg_01HCDu4XSTLzTAcodEQ58vDo",
211212 "type": "message",
212213 "role": "assistant",
213 "model": "claude-opus-5",
214 "model": "claude-opus-5-5",
214215 "content": [
215216 {
216217 "type": "text",