Claude Fable 5

GA

Anthropic's most capable widely released model. GA on Claude API, Claude Platform on AWS, Amazon Bedrock, Google Cloud, and Microsoft Foundry beginning June 9, 2026. Adaptive thinking always on; no extended thinking. 5m cache write $12.50/MTok, 1h cache write $20/MTok (cached_input field here = Cache Hits & Refreshes $1/MTok). Batch: $5 in / $25 out per MTok. 1M context at standard pricing. Uses the Opus 4.7-generation tokenizer (~30-35% more tokens for the same text vs pre-4.7 models). Dateless model ID is a pinned snapshot. Knowledge cutoff not published on overview page (null).

Claude Fable 5 by Anthropic costs $10 per 1M input tokens and $50 per 1M output tokens ($20/1M blended), with a 1M (1.000.000-token) context window. It is generally available (GA).

Last verified: 13 Aug 2026 · sourced from official provider documentation

Provider
Anthropic
Status
GA
Input price
$10 / 1M tokens
Output price
$50 / 1M tokens
Cached input
$1 / 1M tokens
Blended price
$20 / 1M tokens
Context window
1.000.000 tokens (1M)
Max output
128.000 tokens
Modality
text, image, vision
Open weights
No — API only
Knowledge cutoff
Released
9 Jun 2026
API string
claude-fable-5

Source: Anthropic official documentation ↗

FAQ

Claude Fable 5 — questions & answers

How much does Claude Fable 5 cost?

Claude Fable 5 is priced at $10 per 1M input tokens and $50 per 1M output tokens ($20/1M blended at a 3:1 input-to-output ratio), with cached input at $1 per 1M tokens.

What is the context window of Claude Fable 5?

Claude Fable 5 has a 1.000.000-token context window (1M), with up to 128.000 output tokens per request.

Is Claude Fable 5 deprecated?

No — Claude Fable 5 is generally available (GA) and not currently scheduled for deprecation or retirement in our tracker.

Does Claude Fable 5 support image or vision input?

Yes — Claude Fable 5 accepts image input. Listed modalities: text, image, vision.

Can I self-host Claude Fable 5?

No — Claude Fable 5 is proprietary. Its weights are not publicly released, so it is available only through Anthropic's API (or hosted partners), not for self-hosting.

What is the API model string for Claude Fable 5?

The API model identifier for Claude Fable 5 is "claude-fable-5" when calling Anthropic's API.