Claude Fable 5.1

NEW

Anthropic · anthropic/claude-fable-5.1

Available

Most capable model in the Claude family. Built for demanding research, multi-step agents and tasks requiring sustained deep reasoning over long contexts.

Input / 1M tokens

৳1,200

Output / 1M tokens

৳6,000

Context length

Max output

128K

Placeholder rates. Final pricing is published per model before launch.

Suitable for

Reasoning
Coding
Vision
Agents
Long context

Example request

cURL

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

Try in Playground Docs for this model

Performance

Throughput35 tok/s

Time to first token3.2s

StreamingSupported

Tool callingSupported

Measured from Dhaka over the last 24h of prototype traffic.

Routing

Primary routeAnthropic direct

FallbackSecondary region

Prompt retentionNot retained