Claude Fable is Anthropic's language model with a 1.0M context window and up to 128K output tokens, starting at $10.00 / 1M input and $50.00 / 1M output. A Claude LLM alias that always routes to the latest model in the Claude Fable family, providing automatic access to the most current Fable release.
Specifications
Canonical IDanthropic-claude-fable
TypeLanguage
StatusActive
CreatorAnthropicAnthropic
Providers
Context Window1.0M tokens
Max Output128K tokens
Input ModalitiesImageText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 3 days ago

Capabilities

Input2/5
Text
Image
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities4/13
Reasoning
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs
Native JSON Schema
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Cache Write 5m
$ / 1M
Web Search
$ / request
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~anthropic/claude-fable-latest
$10.00$50.00$1.00$12.50$0.010

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Claude Fable 51.0M$10.00$50.00Available
Claude Fable1.0M$10.00$50.00Current

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Claude Mythos 5Mythos1.0M$10.00$50.00
Claude Opus 4.8Opus1.0M$5.00$25.00
Claude Opus 4.8 FastOpus1.0M$10.00$50.00
Claude Opus 4.7 FastOpus1.0M$30.00$150.00
Claude Opus 4.7Opus1.0M$5.00$25.00
Claude Sonnet 4.6Sonnet1.0M$3.00$15.00
Claude Opus 4.6Opus1.0M$5.00$25.00
Claude Opus 4.5Opus410K$5.00$25.00
Claude Haiku 4.5Haiku200K$1.00$5.00
Claude Sonnet 4.5Sonnet1.0M$3.00$15.00

Model IDs

~anthropic/claude-fable-latest
anthropic-claude-fable