Anthropic Premium · $18/month 330 tokens / message Balanced

Anthropic: Claude Fable 5.1 · Anthropic

Anthropic's Claude Fable 5.1 improves on Claude Fable 5 across the board, with significant gains in agentic coding and long-running workflows. It excels at extensive code refactoring, front-end development, and advanced knowledge work.

Advanced agentic coding Long-running workflows Code refactoring

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Anthropic: Claude Fable 5.1 requires the Premium plan

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About Anthropic: Claude Fable 5.1

Anthropic's Claude Fable 5.1 improves on Claude Fable 5 across the board, with significant gains in agentic coding and long-running workflows. It excels at extensive code refactoring, front-end development, and advanced knowledge work.

Where it shines: Advanced agentic coding · Long-running workflows · Code refactoring.

How to use Anthropic: Claude Fable 5.1

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    Type what you want in the box above — or upload the file if the tool asks for one.

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    Click the main button. Wait 2-30 seconds depending on the model and input size.

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Frequently asked questions

How much does it cost to use Anthropic: Claude Fable 5.1?

Anthropic: Claude Fable 5.1 is Premium: costs 330 tokens per use (~$1.65 actual cost to provider). Requires Premium plan ($18/month → 45,000 tokens) or large one-shot packs. Intended for occasional professional use; Pro plan does not unlock Premium models.

How many uses of Anthropic: Claude Fable 5.1 are included in the Premium plan?

Premium ($18/month) gives you 45,000 recurring tokens. At 330 tokens per use of Anthropic: Claude Fable 5.1, that’s ~136 full uses per cycle. For sporadic use, one-shot packs can be more cost-effective — they last up to a year from purchase.

What makes Anthropic: Claude Fable 5.1 special?

Anthropic trains its models for honesty and nuanced reasoning — they admit when they don’t know something rather than inventing. Its specific strengths are: advanced agentic coding, long workflows, and code refactoring. It accepts images as input (multimodal) as well as text — useful for describing captures, reading graphs, or solving problems from a photo.

How fast does Anthropic: Claude Fable 5.1 respond?

Anthropic: Claude Fable 5.1 has a balanced speed: 5-15 seconds per response — neither the fastest nor the slowest in the catalog. The actual time also depends on the length of the prompt and the load of the datacenter — models with huge context take longer when you enter very long texts.

How do I use Anthropic: Claude Fable 5.1 in ia.gratis?

You can use Anthropic: Claude Fable 5.1 from /chat/ by selecting Anthropic: Claude Fable 5.1 in the picker, or via the REST API with `model=claude-fable-5-1` in the POST body. Quick summary: claude Fable 5.1 improves agent code and long workflows with 1M tokens. The internal model identifier is `claude-fable-5-1` — useful when integrating via API.