26 pages for thinkingconfig.

Or, for the model with the same capabilities and no access approval requirement: Claude Developer Platform · in the page about-claude/models/migration-guide …-mythos-preview", MaxTokens = 16000, Thinking = new ThinkingConfigEnabled(budgetTokens: 10000), Messages = [new() { Role = Role.User, Content = "..." }] }; var re… Beta Claude Developer Platform · in the page api/beta …- `"standard"` - `"fast"` - `thinking: optional BetaThinkingConfigEnabled or BetaThinkingConfigDisabled or BetaThinkingConfigBetweenTools or BetaThinkingConfigAdaptive or null`… Messages Claude Developer Platform · in the page api/beta/messages …- `"standard"` - `"fast"` - `thinking: optional BetaThinkingConfigEnabled or BetaThinkingConfigDisabled or BetaThinkingConfigBetweenTools or BetaThinkingConfigAdaptive or null`… Batches Claude Developer Platform · in the page api/beta/messages/batches …`"standard"` - `"fast"` - `thinking: optional BetaThinkingConfigEnabled or BetaThinkingConfigDisabled or BetaThinkingConfigBetweenTools or BetaThinkingConfigAdaptive or null`… Create a Message Batch Claude Developer Platform · in the page api/beta/messages/batches/create …`"standard"` - `"fast"` - `thinking: optional BetaThinkingConfigEnabled or BetaThinkingConfigDisabled or BetaThinkingConfigBetweenTools or BetaThinkingConfigAdaptive or null`… Count tokens in a Message Claude Developer Platform · in the page api/beta/messages/count_tokens …al array of BetaTextCitationParam or null` - `thinking: optional BetaThinkingConfigParam` Configuration for Claude's thinking. With `{"type": "adaptive"}`, Claude decides when and how much to t… Create a Message Claude Developer Platform · in the page api/beta/messages/create …- `"standard"` - `"fast"` - `thinking: optional BetaThinkingConfigEnabled or BetaThinkingConfigDisabled or BetaThinkingConfigBetweenTools or BetaThinkingConfigAdaptive or null`… Messages Claude Developer Platform · in the page api/messages …: optional array of TextCitationParam or null` - `thinking: optional ThinkingConfigParam` Configuration for Claude's thinking. With `{"type": "adaptive"}`, Claude decides when and how much to t… Batches Claude Developer Platform · in the page api/messages/batches …tional array of TextCitationParam or null` - `thinking: optional ThinkingConfigParam` Configuration for Claude's thinking. With `{"type": "adaptive"}`, Claude decides when and how m… Create a Message Batch Claude Developer Platform · in the page api/messages/batches/create …tional array of TextCitationParam or null` - `thinking: optional ThinkingConfigParam` Configuration for Claude's thinking. With `{"type": "adaptive"}`, Claude decides when and how m… Count tokens in a Message Claude Developer Platform · in the page api/messages/count_tokens …: optional array of TextCitationParam or null` - `thinking: optional ThinkingConfigParam` Configuration for Claude's thinking. With `{"type": "adaptive"}`, Claude decides when and how much to t… Create a Message Claude Developer Platform · in the page api/messages/create …: optional array of TextCitationParam or null` - `thinking: optional ThinkingConfigParam` Configuration for Claude's thinking. With `{"type": "adaptive"}`, Claude decides when and how much to t… compaction-thinking-blocks Claude Developer Platform · in the page build-with-claude/compaction-thinking-blocks …ython Python from anthropic.types.beta import BetaMessageParam, BetaThinkingConfigParam client = anthropic.Anthropic() # Claude Fable 5.1 is the first model that checks sent-back thinking agai… extended-thinking Claude Developer Platform · in the page build-with-claude/extended-thinking …Model.ClaudeSonnet4_6, MaxTokens = 16000, Thinking = new ThinkingConfigEnabled(budgetTokens: 10000), Messages = [ new UserMessageParam { Cont… preserved-thinking Claude Developer Platform · in the page build-with-claude/preserved-thinking …deFable5_1, MaxTokens = 16000, Thinking = new BetaThinkingConfigAdaptive { BlockBinding = new() { PrefixMismatchBehavior = B… claude-prompting-best-practices Claude Developer Platform · in the page build-with-claude/prompt-engineering/claude-prompting-best-practices …audeSonnet4_5_20250929, MaxTokens = 16000, Thinking = new ThinkingConfigEnabled(budgetTokens: 10000), Messages = [new UserMessageParam { Content = "..." }] }); // After: adaptiv… streaming Claude Developer Platform · in the page build-with-claude/streaming …= Model.ClaudeOpus5_5, MaxTokens = 20000, Thinking = new ThinkingConfigAdaptive { Display = Display.Summarized }, Messages = [new UserMessageParam { Content = "What is the greatest… thinking Claude Developer Platform · in the page build-with-claude/thinking …= Model.ClaudeOpus5_5, MaxTokens = 16000, Thinking = new ThinkingConfigAdaptive { Display = Display.Summarized }, Messages = [ new UserMessageParam { Content = "What is th… thinking-steering-and-cost Claude Developer Platform · in the page build-with-claude/thinking-steering-and-cost …odel.ClaudeOpus5_5, MaxTokens = 16000, Thinking = new ThinkingConfigAdaptive(), Messages = [ new UserMessageParam { Content = ne… thinking-tool-workflows Claude Developer Platform · in the page build-with-claude/thinking-tool-workflows ….ClaudeOpus5_5, MaxTokens = 16000, Thinking = new ThinkingConfigAdaptive(), Tools = [weatherTool], Messages = [new UserMessageParam { Content = "What's the weat… token-counting Claude Developer Platform · in the page build-with-claude/token-counting …ensParams { Model = Model.ClaudeOpus5_5, Thinking = new ThinkingConfigAdaptive(), Messages = [ new UserMessageParam { Content = "Are there a… migration-guide Claude Developer Platform · in the page models/opus-5-5/migration-guide …mmarized" }; ``` ```csharp C# var thinking = new ThinkingConfigAdaptive { Display = Display.Summarized }; ``` ```go Go thinking := anthropic.ThinkingConfigParamUni… migration-guide Claude Developer Platform · in the page models/sonnet-5-5/migration-guide …= Model.ClaudeSonnet5, MaxTokens = 16000, Thinking = new ThinkingConfigDisabled(), OutputConfig = new() { Effort = Effort.Xhigh }, Messages = [new UserMessageParam { Content =… How the agent loop works Claude Code CLI · in the page agent-sdk/agent-loop …produces `thinking` blocks in the output, and the `display` field on `ThinkingConfig` for [Python](https://code.claude.com/docs/en/agent-sdk/python.md#thinkingconfig) or [TypeScript](https://code.clau… Agent SDK reference - Python Claude Code CLI · in the page agent-sdk/python …bute access: `msg.result`. Classes defined with `TypedDict` (such as `ThinkingConfigEnabled`, `McpStdioServerConfig`, `SyncHookJSONOutput`) are **plain dicts at runtime** and require key access: `conf… Agent SDK reference - TypeScript Claude Code CLI · in the page agent-sdk/typescript …it can pace tool use and wrap up before the limit | | `thinking` | [`ThinkingConfig`](#thinkingconfig) | `{ type: 'adaptive' }` for supported models | Controls Claude's thinking/reasoning behavior. S…