162 pages for claude-fable-5-2.

Events Claude Developer Platform · in the page api/beta/sessions/threads/events …s/models-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `… List Session Thread Events Claude Developer Platform · in the page api/beta/sessions/threads/events/list …s/models-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `… Stream Session Thread Events Claude Developer Platform · in the page api/beta/sessions/threads/events/stream …s/models-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `… List Session Threads Claude Developer Platform · in the page api/beta/sessions/threads/list …s/models-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `… Get Session Thread Claude Developer Platform · in the page api/beta/sessions/threads/retrieve …s/models-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `… Update Session Claude Developer Platform · in the page api/beta/sessions/update …ocs/models-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"cla… Messages Claude Developer Platform · in the page api/messages …m/en/docs/models-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude-mythos-5… Batches Claude Developer Platform · in the page api/messages/batches …/docs/models-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude-… Create a Message Batch Claude Developer Platform · in the page api/messages/batches/create …/docs/models-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude-… Retrieve Message Batch results Claude Developer Platform · in the page api/messages/batches/results …s/models-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `… Count tokens in a Message Claude Developer Platform · in the page api/messages/count_tokens …m/en/docs/models-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude-mythos-5… Create a Message Claude Developer Platform · in the page api/messages/create …m/en/docs/models-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude-mythos-5… spans Claude Developer Platform · in the page api/opentelemetry/spans …n/manage-claude/opentelemetry status: beta supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… Message Batches API Claude Developer Platform · in the page build-with-claude/batch-processing …e: 29-day retention; async storage required. supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… cache-diagnostics Claude Developer Platform · in the page build-with-claude/cache-diagnostics …o allow comparison against the next request. supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… citations Claude Developer Platform · in the page build-with-claude/citations …model-specific-data-retention-requirements). supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… claude-in-microsoft-foundry Claude Developer Platform · in the page build-with-claude/claude-in-microsoft-foundry …| `claude-fable-5-2` | | ✓ | | Claude Mythos 5.2 ([limited availability](https://support.claud… google-managed Claude Developer Platform · in the page build-with-claude/claude-models-on-google-cloud/google-managed …| `claude-fable-5-2` | | Claude Mythos 5.2 ([limited availability](https://support.claude.com/en/articles/14604842))… claude-on-amazon-bedrock-legacy Claude Developer Platform · in the page build-with-claude/claude-on-amazon-bedrock-legacy …| `anthropic.claude-fable-5-2` | Yes | Yes | No | No | No | | Claude Mythos 5.2 ([limited availability](https://su… claude-platform-on-aws Claude Developer Platform · in the page build-with-claude/claude-platform-on-aws …| `claude-fable-5-2` | | Claude Fable 5.1 | `cl… compaction-background Claude Developer Platform · in the page build-with-claude/compaction-background …tatus: beta betaHeader: compact-2026-09-04 supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… compaction-keep-recent-turns Claude Developer Platform · in the page build-with-claude/compaction-keep-recent-turns …tatus: beta betaHeader: compact-2026-09-04 supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… compaction-on-demand Claude Developer Platform · in the page build-with-claude/compaction-on-demand …tatus: beta betaHeader: compact-2026-09-04 supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… compaction-thinking-blocks Claude Developer Platform · in the page build-with-claude/compaction-thinking-blocks …tatus: beta betaHeader: compact-2026-09-04 supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… compaction-threshold Claude Developer Platform · in the page build-with-claude/compaction-threshold …ripped statelessly through the API response. supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… context-editing Claude Developer Platform · in the page build-with-claude/context-editing …thinking clearing) are applied in real time. supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… effort Claude Developer Platform · in the page build-with-claude/effort …model-specific-data-retention-requirements). supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… effort-per-message Claude Developer Platform · in the page build-with-claude/effort-per-message …r: mid-conversation-output-config-2026-07-01 supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-opus-5-5 - claude-opus-5… fallback-credit Claude Developer Platform · in the page build-with-claude/fallback-credit …lback-2026-07-01, fallback-credit-2026-06-01 supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-opus-5-5… fast-mode Claude Developer Platform · in the page build-with-claude/fast-mode …ce. ZDR applies regardless of speed setting. supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 supportedPlatforms:… files Claude Developer Platform · in the page build-with-claude/files …d or they reach their configured expiration. supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… message-threads Claude Developer Platform · in the page build-with-claude/message-threads …ect your use of other ZDR eligible features. supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… mid-conversation-system-messages Claude Developer Platform · in the page build-with-claude/mid-conversation-system-messages …ng is stored server-side after the response. supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… multilingual-support Claude Developer Platform · in the page build-with-claude/multilingual-support …o English. featureMetadata: status: stable supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… pdf-support Claude Developer Platform · in the page build-with-claude/pdf-support …model-specific-data-retention-requirements). supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… preserved-thinking Claude Developer Platform · in the page build-with-claude/preserved-thinking …lier turn. featureMetadata: status: stable supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-opus-5-5 - claude-sonnet-… Request 2 caches its request content (not the response) Claude Developer Platform · in the page build-with-claude/prompt-caching …cache TTL and promptly deleted after expiry. supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… 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-fable-5-2) | Differences from earlier models: effort calibration, finishing long tasks, approvals, code ownership, user-f… refusals-and-fallback Claude Developer Platform · in the page build-with-claude/refusals-and-fallback …quests on a fallback model. featureMetadata: supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-opus-5-5… search-results Claude Developer Platform · in the page build-with-claude/search-results …model-specific-data-retention-requirements). supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… streaming Claude Developer Platform · in the page build-with-claude/streaming …ng deltas. featureMetadata: status: stable supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… structured-outputs Claude Developer Platform · in the page build-with-claude/structured-outputs …ols), which uses the same grammar pipeline." supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… task-budgets Claude Developer Platform · in the page build-with-claude/task-budgets …: beta betaHeader: task-budgets-2026-03-13 supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… thinking Claude Developer Platform · in the page build-with-claude/thinking …model-specific-data-retention-requirements). supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… 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-fable-5-2#calibrate-effort). </Note> For broader prompting guidance with thinking, see [leverage thinking and interleaved… token-counting Claude Developer Platform · in the page build-with-claude/token-counting …ents). Count tokens before sending requests. supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… vision Claude Developer Platform · in the page build-with-claude/vision …teraction. featureMetadata: status: stable supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… working-with-messages Claude Developer Platform · in the page build-with-claude/working-with-messages …d API calls for generating Claude responses. supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5… API usage primer for Claude Claude Developer Platform · in the page claude_api_primer …and research tasks, at 2x Claude Opus 5.5 pricing: Claude Fable 5.2: claude-fable-5-2 Previous Opus model: Claude Opus 5: claude-opus-5 Smart model: Claude Sonnet 5.5: claude-sonnet-5-5 Previous Sonn… apple-foundation-models Claude Developer Platform · in the page cli-sdks-libraries/libraries/apple-foundation-models …ift package. featureMetadata: status: beta supportedModels: - claude-fable-5-2 - claude-mythos-5-2 - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5…