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Claude Fable 5

New
AnthropicAll Anthropic models

Input

$10.00

USD / 1M tokens

Output

$50.00

USD / 1M tokens

Released

2026-06-09

Positioning: Flagship. Price level 4 of 4 among text models. Vendor-stated speed: Slower.

Anthropic's capability ceiling for long-running agents — classifier refusals can fall back. Claude Fable 5 is an Anthropic text model on ATP Token, billed per 1M input and output tokens, with a lower cached-input rate.

ThinkingToolsVision
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Pricing

Pay for what you use: credits are deducted only when a request succeeds.
Prices in USD · $1 = 100 credits
Input
$10.00
Cache read
$1.00
Output
$50.00
USD / 1M tokens
Cache write · 5m TTL$12.50 / 1M
Cache write · 1h TTL$20.00 / 1M

Anthropic · Family · USD / 1M tokens

Text models from the same vendor on ATP. Bars fill up to the family's highest price.
All Anthropic models
ModelInputOutput
Claude Fable 5 This pageclaude-fable-5$10.00$50.00
Claude Opus 4.7claude-opus-4-7$5.00$25.00
Claude Opus 4.8claude-opus-4-8$5.00$25.00
Claude Opus 5claude-opus-5$5.00$25.00
Claude Sonnet 4.6claude-sonnet-4-6$3.00$15.00
Claude Sonnet 5claude-sonnet-5$3.00$15.00
Claude Haiku 4.5claude-haiku-4-5$1.00$5.00

Cost per 1,000 typical requests

A quick estimate with fixed token counts per request. No caching, no retries. Try the estimator with your own numbers.
WorkloadUSD / 1,000
Short chat turn800 / 400$28.00
RAG answer4,000 / 500$65.00
Agent step with tools20,000 / 1,500$275.00

Benchmarks

Vendor-reported
  • DeepSWE v1.169.7%

    Fable 5 column of the Claude Opus 5 launch comparison table

    Anthropic
  • Humanity's Last Exam63.9%

    with tools (56.5% no tools); Fable 5 column of the Opus 5 launch table

    Anthropic
  • BrowseComp87.4%

    Fable 5 column of the Opus 5 launch table

    Anthropic
  • OSWorld 2.066.1%

    Fable 5 column of the Opus 5 launch table

    Anthropic

Scores as published by each vendor, not measured by ATP. Test conditions vary, so they are not directly comparable across vendors.

Same controls on every model: project keys, per-project model access, credit budgets, and a log of every request.Set up your organization

Cost estimator

Plug in your usage to see roughly what a month costs.
0200
0100
ESTIMATE
$200.00
USD / month
20,000 credits / month
  • Input$100.00
  • Output$100.00

$200.00 USD / month · 20,000 credits / month

An estimate at our USD prices (USD 1 = 100 credits). What each request actually cost shows up in your console's request log. Cached input is billed at the lower cache-read price, so you may spend less.

Quickstart

Keep your SDK. Point it at ATP and use a project key. Read the docs
quickstart.py · OpenAI SDK
from openai import OpenAI

client = OpenAI(
  base_url="https://api.atptoken.ai/v1",
  api_key="atp-•••"
)

r = client.chat.completions.create(
  model="claude-fable-5",
  messages=[{"role":"user","content":"hi"}],
)

Compare with similar models

Same type and positioning, from other vendors, closest in price first.
Compare side by side

Related models

All Anthropic models
Claude Opus 5claude-opus-5$5.00 / $25.00In / out · per 1M tokensClaude Opus 4.8claude-opus-4-8$5.00 / $25.00In / out · per 1M tokensClaude Opus 4.7claude-opus-4-7$5.00 / $25.00In / out · per 1M tokensClaude Sonnet 5claude-sonnet-5$3.00 / $15.00In / out · per 1M tokensClaude Sonnet 4.6claude-sonnet-4-6$3.00 / $15.00In / out · per 1M tokensClaude Haiku 4.5claude-haiku-4-5$1.00 / $5.00In / out · per 1M tokens

FAQ

4
Can Claude Fable 5 use tools, read images, or think before answering?
Claude Fable 5 supports tool calling, vision input and extended thinking, but not audio.
Is cached input cheaper on Claude Fable 5?
You pay per 1M input tokens and per 1M output tokens. Cached input costs 10% of the normal input price. Cache writes are priced separately. You only pay when a request succeeds. $1 = 100 credits. See pricing
Is there a newer Anthropic model than Claude Fable 5 on ATP?
Yes. Claude Opus 5 (claude-opus-5) came out on Jul 24, 2026, after Claude Fable 5 (Jun 9, 2026), and is the newer Anthropic text option on ATP. Both stay available: compare family prices on this page, then turn on the id you want for your project.
How do I call Claude Fable 5 on ATP?
Create a project API key and point any OpenAI-compatible SDK at https://api.atptoken.ai/v1. Set model to "claude-fable-5" (the API id, not the display name). Make sure the model is turned on for your project.
Get started

Start with $5. Credits never expire.

Create a project key, turn this model on, and pay only for what you use.

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