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Claude Fable 5.1

Tools
anthropic/claude-fable-5-1

1M context · Sep 2026 · 11 upstreams

Anthropic's Claude Fable 5.1 is the successor to Claude Fable 5 for long-running agentic coding, knowledge work, and research. Same $10/$50 list rates as Fable 5, with cache reads at $0.25 per million tokens and a 1M-token context window.

Bring your own keyAnyRouter has no platform route for Claude Fable 5.1. Requests use your key and bill your provider account. AnyRouter adds no fee.
context
1M
input / 1M (list)
$10.00
output / 1M (list)
$50.00
routes
11
speed, 24h
—

Upstreams

11
  1. 1AnthropicYour key · not addedyour planTPS —TTFT ——
  2. 2Amazon BedrockYour key · not addedyour planTPS —TTFT ——
  3. 3Google Vertex AIYour key · not addedyour planTPS —TTFT ——
  4. 4Microsoft AzureYour key · not addedyour planTPS —TTFT ——
  5. 5AIHubMixYour key · not addedyour planTPS —TTFT ——
  6. 6OpenRouterYour key · not addedyour planTPS —TTFT ——
  7. 7ExperientialYour key · not addedyour planTPS —TTFT ——
  8. 8Ramp RouterYour key · not addedyour planTPS —TTFT ——
  9. 9Vercel AI GatewayYour key · not addedyour planTPS —TTFT ——
  10. 10Venice AIYour key · not addedyour planTPS —TTFT ——
  11. 11Nous ResearchYour key · not addedyour planTPS —TTFT ——

Try it

Send a prompt

Uptime, last 48 hours

No health checks yet.

Each bar is one hour. Gaps = no traffic.

Details

Owner
Anthropic
Kind
Vision
Released
Sep 2026
Context
1M
Data policy
Provider retention
Endpoint
/api/v1/chat/completions

Quick start

curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "anthropic/claude-fable-5-1",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'