---
title: "Claude Fable 5.2 API price | RelaySwitch"
canonical: https://relayswitch.io/models/claude-fable-5.2
generated: 2026-11-12T04:20:08.755Z
source: https://api.relayswitch.io/v1/catalog
base_url: https://api.relayswitch.io/v1
---

# Claude Fable 5.2

Claude Fable 5.2 by Anthropic through the RelaySwitch API: $4.00 per million input tokens, $20.00 per million output tokens. Pay by card or crypto (Card, USDT, USDC, BTC, ETH, SOL). No KYC.

50% under Anthropic's list price

## Price per million tokens

| Input | Cached input | Output |
| --- | --- | --- |
| $4.00 | $0.10 | $20.00 |

Anthropic list price: $8.00 in / $40.00 out.

## Specs

- Model id: `claude-fable-5.2`
- Developer: Anthropic
- Context window: 1M tokens
- Max output: 128K tokens
- Input: text, image
- Released: 2026-11-09

## Call it

```bash
curl https://api.relayswitch.io/v1/chat/completions \
  -H "Authorization: Bearer $RELAYSWITCH_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "claude-fable-5.2", "messages": [{"role": "user", "content": "Hello"}]}'
```

## In JanitorAI, SillyTavern, Chub and Risu

One 2K-in / 300-out turn on Claude Fable 5.2: $0.014 at today's rate; a long chat resends its history, so the price grows with the context setting.

| App | URL field | Value | Model |
| --- | --- | --- | --- |
| JanitorAI | Proxy URL | https://api.relayswitch.io/v1/chat/completions | claude-fable-5.2 |
| SillyTavern | Custom Endpoint (Base URL) | https://api.relayswitch.io/v1 | claude-fable-5.2 |
| Chub | OpenAI Reverse Proxy URL | https://api.relayswitch.io/v1 | claude-fable-5.2 |
| Risu | URL | https://api.relayswitch.io/v1 | claude-fable-5.2 |

API key: your sk-relay- key in every app. Ranked by use with this price on every model: https://relayswitch.io/best-models/janitorai, https://relayswitch.io/best-models/sillytavern, https://relayswitch.io/best-models/chub

No app? Claude Fable 5.2 runs as a browser chat with characters, images and video at Unrestrictable, no key to paste: https://unrestrictable.ai/chat?model=claude-fable-5.2&utm_source=relayswitch.io&utm_medium=site&utm_campaign=model-md

Keys and top-ups: https://app.relayswitch.io/console