Models/anthropic

claude-fable-5· Released Jun 9, 2026

anthropic/claude-fable-5

Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...

Input
From$9.35/M
Output
From$46.75/M
Context
Up to 1M
Max output
Up to 128K
Modalities
TextImageFileText

Input and output show the lowest price across upstreams, for reference. Your actual prices are listed per upstream below.

Upstreams & pricing
UpstreamContextMax outputInput $/1MOutput $/1MCached input $/1M
Zenlayer AI Gateway - anthropic (Global)From price
1M128K
$9.35
$46.75
$0.935

Routed in real time — you pay the listed price of whichever upstream serves your call.

How to call
curlrequest.sh
curl https://api.tkex.ai/v1/chat/completions \
  -H "Authorization: Bearer $TX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-fable-5",
    "messages": [
      {"role": "user", "content": "Say hello in five words."}
    ]
  }'