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50 pages for claude-fable-5-1.
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claude-fable-5-1
Claude Developer Platform · title
release-notes/system-prompts/claude-fable-5-1
Delivering work
Claude Developer Platform · path
build-with-claude/prompt-engineering/prompting-claude-fable-5-1
model-deprecations
Claude Developer Platform · in the page
about-claude/model-deprecations
…-------- | :---------------- | :--------------------------------- | | claude-fable-5-1 | Active | N/A | Not sooner than September 1, 2027 | | claude-mythos-5-1…
choosing-a-model
Claude Developer Platform · in the page
about-claude/models/choosing-a-model
…-opus-5-5#breaking-changes) before switching. **Claude Fable 5.1** (`claude-fable-5-1`) is Anthropic's most capable widely released model. It extends Claude Fable 5 with stronger long-running agentic…
advisor-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/advisor-tool
…aiku-4-5) | Claude Mythos 5.1 (claude-mythos-5-1) Claude Fable 5.1 (claude-fable-5-1) Claude Mythos 5 (claude-mythos-5) Claude Fable 5 (claude-fable-5) Claude Opus 5 (claude-opus-5) Claude Opus 4.8…
browser-use-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/browser-use-tool
…model-specific-data-retention-requirements). supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-opus-5-5 - claude-opus-5…
code-execution-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/code-execution-tool
…reMetadata: status: ga zdr: not-eligible supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-opus-5-5 - claude-opus-5…
computer-use-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/computer-use-tool
…model-specific-data-retention-requirements). supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-opus-5-5 - claude-opus-5…
parallel-tool-use
Claude Developer Platform · in the page
agents-and-tools/tool-use/parallel-tool-use
…orm.claude.com/docs/en/build-with-claude/prompt-engineering/prompting-claude-fable-5-1#batch-independent-tool-calls-in-agent-loops). </Note> ## Disable parallel tool use Parallel tool use is on by d…
Process results programmatically
Claude Developer Platform · in the page
agents-and-tools/tool-use/programmatic-tool-calling
…reMetadata: status: ga zdr: not-eligible supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-opus-5-5 - claude-opus-5…
tool-search-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/tool-search-tool
…----------------------------------------------- | | Claude Fable 5.1 (claude-fable-5-1) | `tool_search_tool_regex_20251119`, `tool_search_tool_bm25_20251119` | | Claude Mythos 5.1 (claude-m…
Beta
Claude Developer Platform · in the page
api/beta
…models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your prompt.…
Agents
Claude Developer Platform · in the page
api/beta/agents
…for additional configuration control - `BetaManagedAgentsModel = "claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more or string` The model that will power your agent. S…
Archive Agent
Claude Developer Platform · in the page
api/beta/agents/archive
…/docs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent. See…
Create Agent
Claude Developer Platform · in the page
api/beta/agents/create
…for additional configuration control - `BetaManagedAgentsModel = "claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more or string` The model that will power your agent. S…
List Agents
Claude Developer Platform · in the page
api/beta/agents/list
…/docs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent. See…
Get Agent
Claude Developer Platform · in the page
api/beta/agents/retrieve
…/docs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent. See…
Update Agent
Claude Developer Platform · in the page
api/beta/agents/update
…Omit to preserve. Cannot be cleared. - `BetaManagedAgentsModel = "claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more or string` The model that will power your agent. S…
Versions
Claude Developer Platform · in the page
api/beta/agents/versions
…/docs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent. See…
List Agent Versions
Claude Developer Platform · in the page
api/beta/agents/versions/list
…/docs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent. See…
Messages
Claude Developer Platform · in the page
api/beta/messages
…models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your prompt.…
Batches
Claude Developer Platform · in the page
api/beta/messages/batches
…ls-overview) for additional details and options. - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your pro…
Create a Message Batch
Claude Developer Platform · in the page
api/beta/messages/batches/create
…ls-overview) for additional details and options. - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your pro…
Retrieve Message Batch results
Claude Developer Platform · in the page
api/beta/messages/batches/results
…ls-overview) for additional details and options. - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your pro…
Count tokens in a Message
Claude Developer Platform · in the page
api/beta/messages/count_tokens
…models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your prompt.…
Create a Message
Claude Developer Platform · in the page
api/beta/messages/create
…models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your prompt.…
Sessions
Claude Developer Platform · in the page
api/beta/sessions
…t. Omit to use the agent's model. - `BetaManagedAgentsModel = "claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more or string` The model that will power your agent.…
Archive Session
Claude Developer Platform · in the page
api/beta/sessions/archive
…ocs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent.…
Create Session
Claude Developer Platform · in the page
api/beta/sessions/create
…t. Omit to use the agent's model. - `BetaManagedAgentsModel = "claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more or string` The model that will power your agent.…
Events
Claude Developer Platform · in the page
api/beta/sessions/events
…s/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent.…
List Events
Claude Developer Platform · in the page
api/beta/sessions/events/list
…s/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent.…
Stream Events
Claude Developer Platform · in the page
api/beta/sessions/events/stream
…s/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent.…
List Sessions
Claude Developer Platform · in the page
api/beta/sessions/list
…ocs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent.…
Get Session
Claude Developer Platform · in the page
api/beta/sessions/retrieve
…ocs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent.…
Threads
Claude Developer Platform · in the page
api/beta/sessions/threads
…s/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent.…
Archive Session Thread
Claude Developer Platform · in the page
api/beta/sessions/threads/archive
…s/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent.…
Events
Claude Developer Platform · in the page
api/beta/sessions/threads/events
…s/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent.…
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-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent.…
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-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent.…
List Session Threads
Claude Developer Platform · in the page
api/beta/sessions/threads/list
…s/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent.…
Get Session Thread
Claude Developer Platform · in the page
api/beta/sessions/threads/retrieve
…s/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent.…
Update Session
Claude Developer Platform · in the page
api/beta/sessions/update
…ocs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more` The model that will power your agent.…
Completions
Claude Developer Platform · in the page
api/completions
…m/en/docs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your prompt. See…
Create a Text Completion
Claude Developer Platform · in the page
api/completions/create
…m/en/docs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your prompt. See…
Messages
Claude Developer Platform · in the page
api/messages
…m/en/docs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your prompt. See…
Batches
Claude Developer Platform · in the page
api/messages/batches
…/docs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your prompt.…
Create a Message Batch
Claude Developer Platform · in the page
api/messages/batches/create
…/docs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your prompt.…
Retrieve Message Batch results
Claude Developer Platform · in the page
api/messages/batches/results
…s/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your prompt.…
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-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your prompt. See…
Create a Message
Claude Developer Platform · in the page
api/messages/create
…m/en/docs/models-overview) for additional details and options. - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more` The model that will complete your prompt. See…