174 pages for claude-sonnet-5-5.

Archive Session Thread Claude Developer Platform · in the page api/beta/sessions/threads/archive …Fastest model for high-volume, real-time tasks - `"claude-sonnet-5-5"` Efficient model for coding and agents - `"claude-opus-5-5"` Powerful inte… Events Claude Developer Platform · in the page api/beta/sessions/threads/events …Fastest model for high-volume, real-time tasks - `"claude-sonnet-5-5"` Efficient model for coding and agents - `"claude-opus-5-5"` Powerful inte… List Session Thread Events Claude Developer Platform · in the page api/beta/sessions/threads/events/list …Fastest model for high-volume, real-time tasks - `"claude-sonnet-5-5"` Efficient model for coding and agents - `"claude-opus-5-5"` Powerful inte… Stream Session Thread Events Claude Developer Platform · in the page api/beta/sessions/threads/events/stream …Fastest model for high-volume, real-time tasks - `"claude-sonnet-5-5"` Efficient model for coding and agents - `"claude-opus-5-5"` Powerful inte… List Session Threads Claude Developer Platform · in the page api/beta/sessions/threads/list …Fastest model for high-volume, real-time tasks - `"claude-sonnet-5-5"` Efficient model for coding and agents - `"claude-opus-5-5"` Powerful inte… Get Session Thread Claude Developer Platform · in the page api/beta/sessions/threads/retrieve …Fastest model for high-volume, real-time tasks - `"claude-sonnet-5-5"` Efficient model for coding and agents - `"claude-opus-5-5"` Powerful inte… Update Session Claude Developer Platform · in the page api/beta/sessions/update …Fastest model for high-volume, real-time tasks - `"claude-sonnet-5-5"` Efficient model for coding and agents - `"claude-opus-5-5"` Powerful intelligen… Messages Claude Developer Platform · in the page api/messages …aiku-5-5"` Fastest model for high-volume, real-time tasks - `"claude-sonnet-5-5"` Efficient model for coding and agents - `"claude-fable-5-1"` Frontier intelligence for ambitious… Batches Claude Developer Platform · in the page api/messages/batches …"` Fastest model for high-volume, real-time tasks - `"claude-sonnet-5-5"` Efficient model for coding and agents - `"claude-fable-5-1"` Frontier intelligence fo… Create a Message Batch Claude Developer Platform · in the page api/messages/batches/create …"` Fastest model for high-volume, real-time tasks - `"claude-sonnet-5-5"` Efficient model for coding and agents - `"claude-fable-5-1"` Frontier intelligence fo… Retrieve Message Batch results Claude Developer Platform · in the page api/messages/batches/results …Fastest model for high-volume, real-time tasks - `"claude-sonnet-5-5"` Efficient model for coding and agents - `"claude-fable-5-1"` Frontier int… Count tokens in a Message Claude Developer Platform · in the page api/messages/count_tokens …aiku-5-5"` Fastest model for high-volume, real-time tasks - `"claude-sonnet-5-5"` Efficient model for coding and agents - `"claude-fable-5-1"` Frontier intelligence for ambitious… Create a Message Claude Developer Platform · in the page api/messages/create …aiku-5-5"` Fastest model for high-volume, real-time tasks - `"claude-sonnet-5-5"` Efficient model for coding and agents - `"claude-fable-5-1"` Frontier intelligence for ambitious… spans Claude Developer Platform · in the page api/opentelemetry/spans …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… Message Batches API Claude Developer Platform · in the page build-with-claude/batch-processing …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… cache-diagnostics Claude Developer Platform · in the page build-with-claude/cache-diagnostics …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… citations Claude Developer Platform · in the page build-with-claude/citations …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… claude-in-amazon-bedrock Claude Developer Platform · in the page build-with-claude/claude-in-amazon-bedrock …| `anthropic.claude-sonnet-5-5` | [See Access](https://platform.claude.com/docs/en/build-with-claude/claude-in-amazon-bedrock#access) | | Claud… claude-in-microsoft-foundry Claude Developer Platform · in the page build-with-claude/claude-in-microsoft-foundry …| `claude-sonnet-5-5` | ✓ | ✓ | | Claude Sonnet 5… google-managed Claude Developer Platform · in the page build-with-claude/claude-models-on-google-cloud/google-managed …| `claude-sonnet-5-5` | | Claude Sonnet 5… claude-platform-on-aws Claude Developer Platform · in the page build-with-claude/claude-platform-on-aws …| `claude-sonnet-5-5` | | Claude Sonnet 5 | `cl… compaction-background Claude Developer Platform · in the page build-with-claude/compaction-background …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6… compaction-keep-recent-turns Claude Developer Platform · in the page build-with-claude/compaction-keep-recent-turns …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6… compaction-on-demand Claude Developer Platform · in the page build-with-claude/compaction-on-demand …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6… compaction-thinking-blocks Claude Developer Platform · in the page build-with-claude/compaction-thinking-blocks …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6… compaction-threshold Claude Developer Platform · in the page build-with-claude/compaction-threshold …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… context-editing Claude Developer Platform · in the page build-with-claude/context-editing …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… effort Claude Developer Platform · in the page build-with-claude/effort …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6… effort-per-message Claude Developer Platform · in the page build-with-claude/effort-per-message …- claude-mythos-5-1 - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-haiku-5-5 supportedPlatforms: Claude API: beta Amazon Bedrock: beta Amazon Bedrock (b… fallback-credit Claude Developer Platform · in the page build-with-claude/fallback-credit …- claude-fable-5 - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 supportedPlatforms: Claude API: beta Amazon Bedrock: availability: beta note: On Amazon Be… files Claude Developer Platform · in the page build-with-claude/files …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… message-threads Claude Developer Platform · in the page build-with-claude/message-threads …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… mid-conversation-system-messages Claude Developer Platform · in the page build-with-claude/mid-conversation-system-messages …- claude-mythos-5 - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-haiku-5-5 - claude-opus-4-8 supportedPlatforms: Claude API: stable Amazon Bedrock: st… multilingual-support Claude Developer Platform · in the page build-with-claude/multilingual-support …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… pdf-support Claude Developer Platform · in the page build-with-claude/pdf-support …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… preserved-thinking Claude Developer Platform · in the page build-with-claude/preserved-thinking …claude-fable-5-1 - claude-mythos-5-1 - claude-opus-5-5 - claude-sonnet-5-5 - claude-haiku-5-5 supportedPlatforms: Claude API: stable Amazon Bedrock: stable Amazon Bedroc… change-tools-or-instructions Claude Developer Platform · in the page build-with-claude/preserved-thinking/change-tools-or-instructions …claude-fable-5-1 - claude-mythos-5-1 - claude-opus-5-5 - claude-sonnet-5-5 - claude-haiku-5-5 supportedPlatforms: Claude API: stable Amazon Bedrock: stable Amazon Bedroc… fix-bound-to-a-different-conversation Claude Developer Platform · in the page build-with-claude/preserved-thinking/fix-bound-to-a-different-conversation …claude-fable-5-1 - claude-mythos-5-1 - claude-opus-5-5 - claude-sonnet-5-5 - claude-haiku-5-5 supportedPlatforms: Claude API: stable Amazon Bedrock: stable Amazon Bedroc… prefix-checks Claude Developer Platform · in the page build-with-claude/preserved-thinking/prefix-checks …claude-fable-5-1 - claude-mythos-5-1 - claude-opus-5-5 - claude-sonnet-5-5 - claude-haiku-5-5 supportedPlatforms: Claude API: stable Amazon Bedrock: stable Amazon Bedroc… Request 2 caches its request content (not the response) Claude Developer Platform · in the page build-with-claude/prompt-caching …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… claude-prompting-best-practices Claude Developer Platform · in the page build-with-claude/prompt-engineering/claude-prompting-best-practices …orm.claude.com/docs/en/build-with-claude/prompt-engineering/prompting-claude-sonnet-5-5) | Differences from Claude Sonnet 5: effort calibration, initiative and scope, running without up-front thinking… refusals-and-fallback Claude Developer Platform · in the page build-with-claude/refusals-and-fallback …- claude-fable-5 - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-haiku-5-5 supportedPlatforms: Claude API: stable Amazon Bedrock: stable Amazon Bedroc… search-results Claude Developer Platform · in the page build-with-claude/search-results …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… streaming Claude Developer Platform · in the page build-with-claude/streaming …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… structured-outputs Claude Developer Platform · in the page build-with-claude/structured-outputs …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… task-budgets Claude Developer Platform · in the page build-with-claude/task-budgets …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-haiku-5-5 - claude-opus-4-8 - claude-opus-4-7 supportedPlatforms: Claude API: beta… thinking Claude Developer Platform · in the page build-with-claude/thinking …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… thinking-steering-and-cost Claude Developer Platform · in the page build-with-claude/thinking-steering-and-cost …orm.claude.com/docs/en/build-with-claude/prompt-engineering/prompting-claude-sonnet-5-5#calibrate-effort) and [Prompting Claude Haiku 5.5](https://platform.claude.com/docs/en/build-with-claude/prompt-… token-counting Claude Developer Platform · in the page build-with-claude/token-counting …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-… vision Claude Developer Platform · in the page build-with-claude/vision …claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-…