Claude Fable 5

Available

Source-backed identifier on the Anthropic API. Unverified details are marked below.

Access details: Anthropic API

Versioned identifier · Identity and lifecycle apply to this exact identifier and serving surface.

claude-fable-5

Source check: Sep 13, 2026

Sources & notes →

Capabilities & limits

Context window: Not verified
Maximum output: Not verified
Image input: Not verified
Tool calling: Not verified
Structured output: Not verified

Documented interfaces and limits. These are not measures of model quality.

Pricing

USD / 1M tokens

Input: $10.00Derived from the captured rate card's standard token row.
Output: $50.00Derived from the captured rate card's standard token row.

USD per million standard text tokens. Detailed cache, batch and other pricing conditions appear in the rate card.

Full rate card 5 rates

Amounts in USD. Check the unit and conditions on each rate.

Base input tokens

$10.00 per 1M tokens

Claude API global standard

Output tokens

$50.00 per 1M tokens

Claude API global standard

Cache hits and refreshes

$1.00 per 1M tokens

prompt caching

5 minute cache writes

$12.50 per 1M tokens

prompt caching
5 minute duration

1 hour cache writes

$20.00 per 1M tokens

prompt caching
1 hour duration

Full 1M-token context window uses standard pricing, including requests over 200K input tokens; prompt caching and Batch discounts remain at standard rates.

Price history

Observed Sep 13, 2026

Input $10.00 per million tokens

Derived from the captured rate card's standard token row.

Observed Sep 13, 2026

Output $50.00 per million tokens

Derived from the captured rate card's standard token row.

Technical details

Technical details have not been verified for this identifier.

6 details not verified

Parameters
Active parameters
Architecture
Training / knowledge cutoff
Input modalities
Output modalities

From Anthropic

Official announcement link: not verified yet.

How they describe it

Provider quote not captured yet.

What they say is different

Provider quote not captured yet.

Verbatim provider claims · not an independent assessment

Release & lifecycle

Availability applies to this exact identifier on Anthropic API.

First API availability: Not verified
available: Observed Sep 13, 2026