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Anthropic
Anthropic

Claude Fable 5.1

Modalities
anthropic/claude-fable-5.1
Released: Sep 1, 2026
Anthropic's most capable model for demanding reasoning and long-horizon agentic work. 1M context, 128K output with adaptive thinking, computer use, vision, and prompt caching.
Context
1M tokens
Input / 1M
$5.50
Output / 1M
$27.50
Cache read / 1M
$0.25
Cache write / 1M
$12.50

Offers

1 seller
Surplus Intelligence
Price
In$5.50Out$27.50
Discount
0%
Latency
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Seller
Price
Discount
Latency
Surplus Intelligence
In$5.50Out$27.50
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Usage · 30D

Oct 7
Nov 5

Get started

curl https://super.hyperflow.fun/v1/chat/completions \
  -H "Authorization: Bearer $HYPERFLOW_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-fable-5.1",
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'
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