By Anthropic
Claude Fable 5.1
Claude Fable 5.1 for hard reasoning and long agent-style tasks
Price per message
11.5 PMCper message(KRW 460)
Shown as x11.5 in the chat.
With previous-conversation memory off: 8.5 PMC (KRW 340)
Anything extra, such as input beyond the included length, attachments or paid web search, is added up and shown on the send button before you send.
1 PMC is based on KRW 40, and a payment fee is added when you buy PMC (for example, 100 PMC costs KRW 4,476).
Features
- Shows a reasoning summary by default
- Web search +1 PMC
- Photo input
- PDF and document input
Try it
Start from an example
- Help me sort this week of tasks by priority
- Explain interest rates so a beginner can follow
- Make this sentence sound more natural: The meeting has been pushed to next week
Nothing is sent when you click. You review the message in the chat and are charged only when you send it yourself. You can look around without signing in; you sign in when you send.
You need to agree to model-specific terms the first time you send to this model. View model terms
Compare with other Anthropic models
Prices are the base price per message (memory on, no attachments or search).
| Model | Per message | Reasoning summary | Web search |
|---|---|---|---|
| Claude Opus 5.5 | 5.5 PMC | Shown | +1 PMC |
| Claude Opus 5 | 6.5 PMC | Shown | +1 PMC |
| Claude Opus 5.5 Deep | 6.5 PMC | Shown | Included |
| Claude Fable 5 | 10 PMC | Shown | +1 PMC |
| Claude Fable 5.1 (This model) | 11.5 PMC | Shown | +1 PMC |
| Claude Fable 5.1 Deep | 16.5 PMC | Shown | Included |
FAQ
- How much does one message cost?
- The base price is 11.5 PMC (KRW 460) per message, shown as x11.5 in the chat. With previous-conversation memory turned off, it is 8.5 PMC (KRW 340). Anything extra, such as input beyond the included length, attachments or paid web search, is added up and shown on the send button before you send.
- Do I need a monthly subscription?
- No. There is no monthly subscription: you top up PMC and only what you use is deducted each time you send. 1 PMC is based on KRW 40, and a payment fee is added when you buy PMC (for example, 100 PMC costs KRW 4,476).
- Can it search the web?
- Yes. If you turn web search on when sending, 1 PMC is added to that message.
- Can I upload photos or files?
- Yes. You can send photos as well as PDFs and document files. If a file costs extra, the amount is shown on the send button before you send.
- Can I see a reasoning summary?
- Yes. A short summary of what it worked through before answering is shown by default, at no extra charge.
- Is there anything to agree to before first use?
- Yes. You need to agree to model-specific terms the first time you send to this model. You can read them in advance on the model terms page.