migration-guide changedmodels/sonnet-5-5/migration-guide
Nearest release: v2.1.307, published 4 hours 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.
Recorded here
Lines+7added
Lines−9removed
From line
106
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 106, old and new numbered
/
from line 106
106106 Model = Model.ClaudeSonnet5_5,
107107 MaxTokens = 4096,
108108 Messages = [
109 new() {
110 Role = Role.User,
109 new UserMessageParam {
111110 Content = "Analyze the trade-offs between microservices and monolithic architectures"
112111 }
113112 ],
from line 301
302301 MaxTokens = 16000,
303302 Thinking = new ThinkingConfigDisabled(),
304303 OutputConfig = new() { Effort = Effort.Xhigh },
305 Messages = [new() { Role = Role.User, Content = "..." }],
304 Messages = [new UserMessageParam { Content = "..." }],
306305 });
307306 ```
308307
from line 409
410409 MaxTokens = 16000,
411410 Thinking = new ThinkingConfigBetweenTools(),
412411 OutputConfig = new() { Effort = Effort.High },
413 Messages = [new() { Role = Role.User, Content = "..." }],
412 Messages = [new UserMessageParam { Content = "..." }],
414413 });
415414 ```
416415
from line 609
610609 MaxTokens = 1024,
611610 Tools = [.. tools],
612611 ToolChoice = new ToolChoiceTool { Name = "get_weather" },
613 Messages = [new() { Role = Role.User, Content = "What's the weather in Paris?" }],
612 Messages = [new UserMessageParam { Content = "What's the weather in Paris?" }],
614613 });
615614 ```
616615
from line 761
762761 ToolChoice = new ToolChoiceAuto(),
763762 Messages =
764763 [
765 new()
764 new UserMessageParam
766765 {
767 Role = Role.User,
768766 Content = "What's the weather in Paris? Use the get_weather tool.",
769767 },
770768 ],
from line 974
976974 Model = Model.ClaudeSonnet4_6,
977975 MaxTokens = 16000,
978976 Thinking = new ThinkingConfigEnabled(budgetTokens: 10000),
979 Messages = [new() { Role = Role.User, Content = "..." }]
977 Messages = [new UserMessageParam { Content = "..." }]
980978 };
981979
982980 var response = await client.Messages.Create(parameters);
from line 1112
11141112 MaxTokens = 16000,
11151113 Thinking = new ThinkingConfigAdaptive(),
11161114 OutputConfig = new OutputConfig { Effort = Effort.High }, // or Max, Xhigh, Medium, Low
1117 Messages = [new() { Role = Role.User, Content = "..." }]
1115 Messages = [new UserMessageParam { Content = "..." }]
11181116 };
11191117
11201118 var response = await client.Messages.Create(parameters);
No line in this hunk matches that.