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Chat model · Anthropic

Claude Fable 5

Included in Pro · came out July 2026

For big projects and hard questions where you want the most care

Claude Fable 5 is from Anthropic's Fable tier, a step above Opus in chatmodel. It suits you when the job is large or tricky and you're happy to wait a little for a very thorough answer.

Chat with Claude Fable 5

Claude Fable 5 in numbers

What it knows about

Up to January 2026

It learned from information up to January 2026. For anything newer it can search the web and show you where it found it.

What you can give it

  • Your wordsYes
  • PhotosYes
  • PDFs and filesYes
  • The webYes

Real answers

See how Claude Fable 5 answers

We asked it the same everyday questions as every other model in chatmodel, one try each. This is exactly what came back.

My neighbour watered my plants for two weeks while I was away. Write a short, warm thank-you note I can leave with a small gift. Keep it under 80 words.

Dear Neighbour,

Thank you so much for taking such wonderful care of my plants while I was away! I came home to find everything green, happy, and thriving — clearly they were in the best hands.

It's such a comfort knowing I have a neighbour as kind and thoughtful as you. Please enjoy this small gift as a token of my gratitude.

Warmly, [Your name]

P.S. If you're ever away, I'd be delighted to return the favour!

Answered in about 5 seconds · 77 words

Ask it yourself

The Claude family in chatmodel

The newest is Claude Fable 5.1. Ordered by release date.

  1. February 2026Claude Sonnet 4.6
  2. April 2026Claude Opus 4.7
  3. May 2026Claude Opus 4.8
  4. June 2026Claude Sonnet 5
  5. July 2026Claude Fable 5You're here
  6. July 2026Claude Opus 5
  7. August 2026NewestClaude Fable 5.1

What it's good for

Try it with one of these

Press “Try this” and chatmodel opens with Claude Fable 5 selected and the message already written. Change any word you like.

Think through retirement

“I'm 61 and thinking about retiring next year. Help me think it through: money, health, how I'd spend my days and what my partner wants. Ask me questions one at a time, then sum up what I've learned.”

Try this

Plan a book for the grandchildren

“I'd like to write a small book of bedtime stories for my three grandchildren, starring them and our dog. Help me plan ten stories, each with a simple lesson, and write the first one.”

Try this

Build a timeline from documents

“I'm going to upload letters and emails about a long dispute with my insurer. Build a clear timeline of what happened, what each side promised, and what I should ask for now.”

Try this

Research a move abroad

“We're thinking of spending winters in the south of Spain. Search for what people our age usually need to sort out: healthcare, residency, renting, and banking. Give me a checklist and the sources.”

Try this

In plain words

Claude Fable 5 is a chat assistant from Anthropic, the company behind Claude. It’s part of the Fable tier, a step above the Opus models you can pick in chatmodel.

It thinks before it answers, reads PDFs, understands photos and can search the web. What you’ll notice is the depth: it takes its time and tends to cover angles a quicker model would skip. That’s worth it for big projects, and too much for a quick question.

How to get the most out of it

  1. Give it the full picture. Share every document and detail up front, since it’s good at holding a lot together.
  2. Let it ask questions first. For decisions, “ask me what you need to know, one at a time” leads to better advice.
  3. Split big projects into sessions. Plan first, then write or work through one part per chat.
  4. Set a length. Without one, you may get more than you need.

How it compares with its siblings

Claude Fable 5.1 is the newer version of Fable. Claude Opus 5 and Claude Opus 4.8 are careful too and often enough. For everyday jobs, Claude Sonnet 5 is quicker, and Claude Haiku 4.5 quicker still.

When to pick another model

To compare Claude with other assistants, read ChatGPT vs Claude or Claude vs Gemini. Not sure which size you need? See which model should I use.

Other models worth a look

Claude Fable 5.1

Anthropic

Read the guide

Claude Opus 5

Anthropic

Read the guide

Claude Sonnet 5

Anthropic

Read the guide

Frequently asked questions

What's the difference between Claude Fable 5 and Claude Opus 5?

Both are from Anthropic and both think carefully. Fable sits a step above Opus in chatmodel, meant for the biggest jobs, and can take longer. Opus 5 is a strong choice for most careful work.

Can it search the web?

Yes. It can look things up when your question needs recent information.

Can it read PDFs and photos?

Yes. You can upload documents and photos, several at a time, and ask questions about them.

Should I use it for everything?

There's no need. For quick messages and simple questions, a lighter model like Claude Sonnet 5 or Claude Haiku 4.5 answers faster.

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