What is the context window of Anthropic: Claude Fable Latest?

Anthropic: Claude Fable Latest supports a context window of 1.0M tokens.

Is Anthropic: Claude Fable Latest free to use?

Anthropic: Claude Fable Latest is a paid model. It costs $10.00 per million input tokens and $50.00 per million output tokens.

How is LLM API pricing calculated?

LLM pricing has two components: input tokens (everything you send) and output tokens (what the model generates). Total cost = (prompt tokens × input rate + output tokens × output rate) / 1,000,000 × number of requests.

Anthropic: Claude Fable Latest API Pricing — $10.00 Input / $50.00 Output per 1M Tokens

Q: How much does Anthropic: Claude Fable Latest cost?

Anthropic: Claude Fable Latest costs $10.00 per million input tokens and $50.00 per million output tokens via OpenRouter. Pricing was last updated Oct 29, 2026.

Anthropic: Claude Fable Latest by ~Anthropic — $10.00 input / $50.00 output per 1M tokens via OpenRouter. Context: 1.0M tokens. Pricing last updated Oct 29, 2026.

Input / 1M tokens

$10.00

Output / 1M tokens

$50.00

Provider

~Anthropic

Context window

1.0M tokens

Via

OpenRouter

Cost at common usage volumes

Usage	Daily	Monthly
Chatbot (100/day)	$6.75	$202.50
Small app (1K/day)	$35.00	$1050.00
Mid-scale (10K/day)	$450.00	$13500.00
Large scale (100K/day)	$10000.00	$300000.00

Model ID: ~anthropic/claude-fable-latest
Data source: OpenRouter public API — updated Oct 29, 2026.

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About Anthropic: Claude Fable Latest

Anthropic: Claude Fable Latest is an LLM developed by ~Anthropic. Input costs $10.00 per million tokens and output costs $50.00 per million tokens via OpenRouter. It supports a context window of 1.0M tokens.

Pricing Details

Via the OpenRouter API:

Input tokens: $10.00 per 1 million tokens
Output tokens: $50.00 per 1 million tokens

A token is roughly 0.75 words. For context: a typical user message of 100 words is approximately 133 tokens; a 500-word system prompt is about 650 tokens.

How Much Does Anthropic: Claude Fable Latest Cost?

For a typical chatbot application (1,000 requests/day, 1,000 prompt tokens and 500 output tokens per request):

Daily cost: $35.0000
Monthly cost: $1050.000

Accessing Anthropic: Claude Fable Latest via OpenRouter

OpenRouter provides a unified API for 200+ LLMs including Anthropic: Claude Fable Latest. You can use it with any OpenAI-compatible SDK by setting the base URL to https://openrouter.ai/api/v1 and using your OpenRouter API key. The model ID is ~anthropic/claude-fable-latest.

Compare Anthropic: Claude Fable Latest with Other Models

Use the AI Model Cost Comparison tool to compare Anthropic: Claude Fable Latest against GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, or any other model side by side. Or use the LLM API Cost Calculator to browse all 456+ models sorted by cost for your specific usage.

Frequently Asked Questions

Yes. Anthropic: Claude Fable Latest is available on OpenRouter with the model ID ~anthropic/claude-fable-latest. OpenRouter provides a unified API compatible with OpenAI's SDK format.