Claude: Fable Latest API

Anthropic's Claude: Fable Latest, through an OpenAI-compatible API. Providers quote it on an open exchange, and each request goes to the offer with the lowest estimated charge that meets your rules.

Providers compete for each request. The exchange ranks the offers that meet your rules by estimated charge. It fixes your maximum charge before the first token, and you pay for the tokens that the model uses.
The OpenAI and Anthropic APIs. Use the OpenAI or Anthropic SDK that you have. Set the base URL and your key, and send claude-fable-latest as the model.
Your data rules. Send x-liquid-retention: none and only offers whose provider does not keep your content compete for the request.

Facts

Model name: claude-fable-latest
Maker: Anthropic
Context window: 1M tokens
Input price: $10.024 per million tokens
Output price: $50.122 per million tokens
Providers: 1 independent provider
Regions: us

Providers

Architect: us, $10.024 input and $50.122 output per million tokens, $0.251 cache read per million tokens, 1M tokens of context

Request

curl https://router.inference.ai.exchange/v1/chat/completions \
  -H "Authorization: Bearer $LIQUID_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-fable-latest",
    "messages": [{"role":"user","content":"Say hello."}]
  }'

Questions

What is Claude: Fable Latest?: Claude: Fable Latest is a model from Anthropic.
How much does Claude: Fable Latest cost?: Offers now ask $10.024 per million input tokens and $50.122 per million output tokens. A job pays for the tokens it uses. The exchange picks the cheapest eligible offer.
What is the context length of Claude: Fable Latest?: The largest offer takes 1,000,000 input tokens. A smaller offer can take less. The exchange skips an offer that cannot take your message.
What can Claude: Fable Latest do?: Its providers list Documents, Vision, Reasoning effort, JSON object, JSON schema, Frequency penalty, Logit bias, Log probabilities, Min-p sampling, Presence penalty, Repetition penalty, Seed, Stop sequences, Top-k sampling, Top-p sampling, Text, Tools.
What inputs and outputs does Claude: Fable Latest support?: Text · Files · Images → Text.
Which providers serve Claude: Fable Latest?: 1 independent provider quote it now, with 1 offer. The table above ranks them by the cost of a typical job.
How do I call Claude: Fable Latest?: Send "claude-fable-latest" as the model in an OpenAI or Anthropic request. The API section links to setup steps for each client.
When was Claude: Fable Latest listed?: The exchange first listed it on 10/10/2026. This is not its release date.

Claude: Fable Latest API

Facts

Providers

Request

Questions

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