259 pages for fable.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
Create a Message Batch
Claude Developer Platform · in the page
api/beta/messages/batches/create
…ditional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences…
Retrieve Message Batch results
Claude Developer Platform · in the page
api/beta/messages/batches/results
…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/beta/messages/count_tokens
…r additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences…
Create a Message
Claude Developer Platform · in the page
api/beta/messages/create
…r additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences…
Models
Claude Developer Platform · in the page
api/beta/models
…the `id`. - `"haiku"` - `"sonnet"` - `"opus"` - `"fable"` - `"mythos"` - `max_input_tokens: number or null` Maximum input context window size in tokens for this model.…
List Models
Claude Developer Platform · in the page
api/beta/models/list
…the `id`. - `"haiku"` - `"sonnet"` - `"opus"` - `"fable"` - `"mythos"` - `max_input_tokens: number or null` Maximum input context window size in tokens for this model.…
Get a Model
Claude Developer Platform · in the page
api/beta/models/retrieve
…the `id`. - `"haiku"` - `"sonnet"` - `"opus"` - `"fable"` - `"mythos"` - `max_input_tokens: number or null` Maximum input context window size in tokens for this model.…
Sessions
Claude Developer Platform · in the page
api/beta/sessions
…to use the agent's model. - `BetaManagedAgentsModel = "claude-fable-5-2" or "claude-haiku-5-5" or "claude-sonnet-5-5" or 15 more or string` The model that will power your agent.…
Archive Session
Claude Developer Platform · in the page
api/beta/sessions/archive
…els-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude-hai…
Create Session
Claude Developer Platform · in the page
api/beta/sessions/create
…to use the agent's model. - `BetaManagedAgentsModel = "claude-fable-5-2" or "claude-haiku-5-5" or "claude-sonnet-5-5" or 15 more or string` The model that will power your agent.…
Events
Claude Developer Platform · in the page
api/beta/sessions/events
…s-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude…
List Events
Claude Developer Platform · in the page
api/beta/sessions/events/list
…s-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude…
Stream Events
Claude Developer Platform · in the page
api/beta/sessions/events/stream
…s-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude…
List Sessions
Claude Developer Platform · in the page
api/beta/sessions/list
…els-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude-hai…
Get Session
Claude Developer Platform · in the page
api/beta/sessions/retrieve
…els-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude-hai…
Threads
Claude Developer Platform · in the page
api/beta/sessions/threads
…s-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude…
Archive Session Thread
Claude Developer Platform · in the page
api/beta/sessions/threads/archive
…s-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude…
Events
Claude Developer Platform · in the page
api/beta/sessions/threads/events
…s-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude…
List Session Thread Events
Claude Developer Platform · in the page
api/beta/sessions/threads/events/list
…s-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude…
Stream Session Thread Events
Claude Developer Platform · in the page
api/beta/sessions/threads/events/stream
…s-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude…
List Session Threads
Claude Developer Platform · in the page
api/beta/sessions/threads/list
…s-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude…
Get Session Thread
Claude Developer Platform · in the page
api/beta/sessions/threads/retrieve
…s-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude…
Update Session
Claude Developer Platform · in the page
api/beta/sessions/update
…els-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude-hai…
errors
Claude Developer Platform · in the page
api/errors
…Troubleshooting thinking. ### Thinking cannot be disabled On Claude Fable 5.2, [Claude Mythos 5.2](https://platform.claude.com/docs/en/models/mythos-5-2/overview), Claude Fable 5.1, [Claude Mythos 5…
Messages
Claude Developer Platform · in the page
api/messages
…cs/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-5-2"`…
Batches
Claude Developer Platform · in the page
api/messages/batches
…odels-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-…
Create a Message Batch
Claude Developer Platform · in the page
api/messages/batches/create
…odels-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-…
Retrieve Message Batch results
Claude Developer Platform · in the page
api/messages/batches/results
…s-overview) for additional details and options. - `"claude-fable-5-2"` Built for the most ambitious work in coding, enterprise workflows, and the sciences - `"claude…
Count tokens in a Message
Claude Developer Platform · in the page
api/messages/count_tokens
…cs/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-5-2"`…
Create a Message
Claude Developer Platform · in the page
api/messages/create
…cs/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-5-2"`…
Models
Claude Developer Platform · in the page
api/models
…the `id`. - `"haiku"` - `"sonnet"` - `"opus"` - `"fable"` - `"mythos"` - `max_input_tokens: number or null` Maximum input context window size in tokens for this model.…
List Models
Claude Developer Platform · in the page
api/models/list
…the `id`. - `"haiku"` - `"sonnet"` - `"opus"` - `"fable"` - `"mythos"` - `max_input_tokens: number or null` Maximum input context window size in tokens for this model.…
Get a Model
Claude Developer Platform · in the page
api/models/retrieve
…the `id`. - `"haiku"` - `"sonnet"` - `"opus"` - `"fable"` - `"mythos"` - `max_input_tokens: number or null` Maximum input context window size in tokens for this model.…
spans
Claude Developer Platform · in the page
api/opentelemetry/spans
…e-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 -…
rate-limits
Claude Developer Platform · in the page
api/rate-limits
…------------ | --------------------------------------- | | Claude Fable 5.2 | 4,000 | 500,000 | 100,000…
service-tiers
Claude Developer Platform · in the page
api/service-tiers
…ds. featureMetadata: status: stable supportedModels: - claude-fable-5 - claude-haiku-4-5-20251001 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-sonnet-4-6…
Message Batches API
Claude Developer Platform · in the page
build-with-claude/batch-processing
…ay 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
…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
…pecific-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-amazon-bedrock
Claude Developer Platform · in the page
build-with-claude/claude-in-amazon-bedrock
…drock sets access criteria for each Claude model individually. Claude Fable 5.1, Claude Fable 5, Claude Opus 4.8, Claude Sonnet 5, Claude Opus 4.7, and Claude Haiku 4.5 are open to all Amazon Bedrock…
claude-in-microsoft-foundry
Claude Developer Platform · in the page
build-with-claude/claude-in-microsoft-foundry
…e usage in the Azure Marketplace. The available models include Claude Fable 5.2, Claude Fable 5.1, Claude Opus 5.5, Claude Opus 5, and Claude Opus 4.8. They also include Claude Sonnet 5.5, Claude Sonn…
google-managed
Claude Developer Platform · in the page
build-with-claude/claude-models-on-google-cloud/google-managed
…--------------------------- | :--------------------------- | | Claude Fable 5.2 | `claude-fable-5-2` | |…
claude-on-amazon-bedrock-legacy
Claude Developer Platform · in the page
build-with-claude/claude-on-amazon-bedrock-legacy
…tml) for the latest information. #### API model IDs <Note> Claude Fable 5.1, Claude Fable 5, Claude Opus 5.5, Claude Opus 5, Claude Sonnet 5.5, Claude Sonnet 5, Claude Haiku 5.5, Claude Opus 4.8,…
claude-platform-on-aws
Claude Developer Platform · in the page
build-with-claude/claude-platform-on-aws
…------------------------------------ | :------------------ | | Claude Fable 5.2 | `claude-fable-5-2` | | Claude Fa…
sent_count = len(messages sent in the compaction request)
Claude Developer Platform · in the page
build-with-claude/compaction
…el-specific-data-retention-requirements)) - Supported models: `claude-fable-5-1`, `claude-mythos-5-1`, `claude-fable-5`, `claude-mythos-5`, `claude-mythos-preview`, `claude-opus-5`, `claude-opus-4-8`,…
compaction-background
Claude Developer Platform · in the page
build-with-claude/compaction-background
…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
…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
…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
…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
…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 -…