migration-guide changedmodels/sonnet-5-5/migration-guide
Nearest release: v2.1.302, published an hour after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
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Lines+6added
Lines−6removed
From line
975
where the diff opens
First seen
29 Sep 2026
this site's first read of the page
Recorded edits13to this page, all time
The whole hunk
from line 975, old and new numbered
/
from line 975
975975
976976 var parameters = new MessageCreateParams
977977 {
978 Model = "claude-sonnet-4-6",
978 Model = Model.ClaudeSonnet4_6,
979979 MaxTokens = 16000,
980980 Thinking = new ThinkingConfigEnabled(budgetTokens: 10000),
981981 Messages = [new() { Role = Role.User, Content = "..." }]
from line 989
989989 client := anthropic.NewClient()
990990
991991 response, err := client.Messages.New(context.TODO(), anthropic.MessageNewParams{
992 Model: "claude-sonnet-4-6",
992 Model: anthropic.ModelClaudeSonnet4_6,
993993 MaxTokens: 16000,
994994 Thinking: anthropic.ThinkingConfigParamOfEnabled(10000),
995995 Messages: []anthropic.MessageParam{
from line 1006
10061006 AnthropicClient client = AnthropicOkHttpClient.fromEnv();
10071007
10081008 MessageCreateParams params = MessageCreateParams.builder()
1009 .model("claude-sonnet-4-6")
1009 .model(Model.CLAUDE_SONNET_4_6)
10101010 .maxTokens(16000L)
10111011 .enabledThinking(10000L)
10121012 .addUserMessage("...")
from line 1112
11121112
11131113 var parameters = new MessageCreateParams
11141114 {
1115 Model = "claude-sonnet-5-5",
1115 Model = Model.ClaudeSonnet5_5,
11161116 MaxTokens = 16000,
11171117 Thinking = new ThinkingConfigAdaptive(),
11181118 OutputConfig = new OutputConfig { Effort = Effort.High }, // or Max, Xhigh, Medium, Low
from line 1127
11271127 client := anthropic.NewClient()
11281128
11291129 response, err := client.Messages.New(context.TODO(), anthropic.MessageNewParams{
1130 Model: "claude-sonnet-5-5",
1130 Model: anthropic.ModelClaudeSonnet5_5,
11311131 MaxTokens: 16000,
11321132 Thinking: anthropic.ThinkingConfigParamUnion{
11331133 OfAdaptive: &anthropic.ThinkingConfigAdaptiveParam{},
from line 1149
11491149 AnthropicClient client = AnthropicOkHttpClient.fromEnv();
11501150
11511151 MessageCreateParams params = MessageCreateParams.builder()
1152 .model("claude-sonnet-5-5")
1152 .model(Model.CLAUDE_SONNET_5_5)
11531153 .maxTokens(16000L)
11541154 .thinking(ThinkingConfigAdaptive.builder().build())
11551155 .outputConfig(OutputConfig.builder()
No line in this hunk matches that.