Skip to main content
🏆 FlagshipPremium

Claude Fable 5

by Anthropic

Anthropic's generally available Mythos-class model for long-running agentic workflows, code execution, memory, vision, and complex tool use.

Try Anthropic

Input Price

$10

per 1M tokens

Output Price

$50

per 1M tokens

Context Window

1,000K

tokens (128K max output)

Specifications

Release Date2026-06-09
Category🏆 Flagship
Context Window1,000,000 tokens
Max Output128,000 tokens
ProviderAnthropic
Input Cost$10 / 1M tokens
Output Cost$50 / 1M tokens
Price TierPremium

Capabilities

textvisionreasoningcode

Related Use Cases

Monthly Cost Estimates

Usage LevelDaily TokensDailyMonthlyYearly
Light~50 requests/day100K in / 20K out$2.00$60.00$730
Medium~200 requests/day500K in / 100K out$10.00$300.00$3650
Heavy~1K requests/day2,000K in / 500K out$45.00$1350.00$16425
Enterprise~5K requests/day10,000K in / 2,000K out$200.00$6000.00$73000

Cost Calculator

Alternatives to Claude Fable 5

Frequently Asked Questions

How much does Claude Fable 5 API cost per million tokens?
Claude Fable 5 costs $10 per million input tokens and $50 per million output tokens as of 2026. These are the standard API rates from Anthropic.
What is the Claude Fable 5 context window?
Claude Fable 5 supports a 1M context window (1,000,000 tokens), which means you can process up to 1M tokens in a single API call.
How much does Claude Fable 5 cost per month?
At medium usage (~200 requests/day with 500K input and 100K output tokens/day), Claude Fable 5 costs approximately $300.00/month. Light usage runs about $60.00/month, and heavy usage (~1K requests/day) around $1350.00/month.
Is there a cheaper alternative to Claude Fable 5?
Yes — o3 Deep Research by OpenAI is a cheaper option at $10/M input tokens vs $10/M for Claude Fable 5. Other budget alternatives include models in the efficient tier.
Is Claude Fable 5 good for ai agent / agentic workflows?
Claude Fable 5 is a flagship model with support for text, vision, reasoning. For ai agent / agentic workflows, it offers 1M context and costs $10/M input tokens — a premium option for this use case.

Claude Fable 5 Comparisons

Ready to use Claude Fable 5?

Get started with Anthropic's API — free tier available for most models.

Try Anthropic API →