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In the present day, we’re saying the provision of Claude Fable 5 on Amazon Bedrock and Claude Platform on AWS. Claude Fable 5 makes Mythos-level capabilities out there to prospects, with sturdy safeguards designed to make it protected for broader use. Fable 5 is state-of-the-art on almost all examined benchmarks and delivers distinctive efficiency in software program engineering, information work duties, and imaginative and prescient – constructed for formidable, lengthy working work.
With Claude Fable 5 on Bedrock, you may construct inside your current AWS setting and scale inference workloads. You can too use Claude Fable 5 by the Claude Platform on AWS, providing you with Anthropic’s native platform expertise.
Based on Anthropic, Claude Fable 5 represents a step-change in what you may accomplish with AI fashions. Here’s what makes this mannequin totally different:
- Lengthy-running, asynchronous execution — Claude Fable 5 handles advanced duties that earlier fashions couldn’t maintain, executing coding and information work duties for prolonged intervals with out intervention.
- Superior imaginative and prescient capabilities — Claude Fable 5 understands diagrams, charts, and tables nested in information and PDFs. This opens up analysis and document-heavy work in finance, authorized, analytics, structure, and gaming. In coding, the mannequin implements designs with excessive constancy and makes use of imaginative and prescient to critique its output towards targets.
- Proactive self-verification — The mannequin self-updates expertise based mostly on learnings, develops its personal harnesses and evaluations.
Claude Fable 5 consists of safeguards that restrict its efficiency in particular areas the place misuse threat is elevated. Dangerous prompts associated to cybersecurity, biology, chemistry, and well being fall again to obtain a response from Opus 4.8 as an alternative. Anthropic is ready to develop entry to almost all of Claude Fable 5’s state-of-the-art capabilities by creating extra highly effective safeguards. The identical mannequin with out these limits is Claude Mythos 5 and it’ll solely be out there to a small group of vetted prospects.
Claude Fable 5 mannequin in motion
You should utilize Claude Fable 5 in each Amazon Bedrock and Claude Platform on AWS. This publish will cowl steerage on how one can entry and use on Amazon Bedrock. For steerage on the Claude Platform on AWS, go to the documentation to study extra.
To get began with Amazon Bedrock, you may entry the mannequin programmatically now utilizing the Anthropic Messages API to name the bedrock-runtime or bedrock-mantle endpoints by Anthropic SDK. You can too hold utilizing the Invoke and Converse API on bedrock-runtime by the AWS Command Line Interface (AWS CLI) and AWS SDK.
To be able to entry Claude Fable 5 mannequin, you will need to choose into information sharing by utilizing the Knowledge Retention API and setting provider_data_share earlier than you may invoke the fashions. There isn’t any console person interface for this setting at launch.
Here’s a pattern script to set information retention for bedrock-mantle engine.
curl -X PUT https://bedrock-mantle.us-east-1.api.aws/v1/data_retention
-H "x-api-key: "
-H "Content material-Kind: utility/json"
-d '{ "mode": "provider_data_share" }' If you wish to use bedrock-runtime engine, run this pattern script.
curl -X PUT https://bedrock.us-east-1.amazonaws.com/data-retention
-H "Authorization: Bearer "
-H "Content material-Kind: utility/json"
-d '{ "mode": "provider_data_share" }' This mode permits Amazon Bedrock to retain and share your inference information with mannequin suppliers per their necessities. Anthropic requires 30-day inputs and outputs retention, in addition to human overview. To study extra, go to the Amazon Bedrock abuse detection.
Let’s begin with Anthropic SDK for Python utilizing the Messages API on bedrock-mantle endpoint. Set up Anthropic SDK.
pip set up anthropicHere’s a pattern Python code to name Claude Fable 5 mannequin:
import anthropic
shopper = anthropic.Anthropic(
base_url="https://bedrock-mantle.us-east-1.api.aws/anthropic",
api_key=
)
message = shopper.messages.create(
mannequin="anthropic.claude-fable-5",
max_tokens=4096,
messages=[
{ "role": "user",
"content": "Design a distributed architecture on AWS in Python that should support 100k requests per second across multiple geographic regions",
},
],
)
print(message.content material[0].textual content) To study extra, take a look at Anthropic Messages API code examples and pocket book examples for a number of use instances and quite a lot of programming languages.
You should utilize Claude Fable 5 within the Bedrock console. Select Claude Fable 5 within the Playground and check it.
You can too use Claude Fable 5 with the Invoke API and Converse API on bedrock-runtime endpoint. Right here’s a instance to name Converse API for a unified multi-model expertise utilizing the AWS SDK for Python (Boto3):
import boto3
bedrock_runtime = boto3.shopper("bedrock-runtime", region_name="us-east-1")
response = bedrock_runtime.converse(
modelId="international.anthropic.claude-fable-5",
messages=[
{
"role": "user",
"content": [
{
"text": "Design a distributed architecture on AWS in Python that should support 100k requests per second across multiple geographic regions."
}
]
}
],
inferenceConfig={
"maxTokens": 4096
}
)
print(response["output"]["message"]["content"][0]["text"]) To study extra, go to code examples that present how one can use Amazon Bedrock Runtime with AWS SDKs.
Issues to know
Let me share some vital technical particulars that I feel you’ll discover helpful.
- Mannequin entry — Claude Fable 5 entry is steadily increasing for all AWS accounts. In case your account doesn’t have entry but, it is going to be enabled quickly relying in your Bedrock utilization. If you wish to get entry to this mannequin rapidly, contact your traditional AWS Assist.
- Pricing — When a dangerous immediate is routed to Opus 4.8 as an alternative of Fable 5, you pay solely Opus costs. If a request is blocked mid-conversation, preliminary tokens are charged at Fable charges and subsequent tokens at Opus charges. To study extra, go to the Amazon Bedrock pricing web page.
- Knowledge retention — For Fable 5, Mythos 5, and future fashions on Bedrock with related or increased functionality ranges, Anthropic would require 30-day retention for all site visitors on Mythos-class fashions. Retaining information for a restricted interval permits Anthropic to detect patterns of misuse that aren’t seen from a single trade. As soon as you choose into information retention, your information will depart AWS’s information and safety boundary.
- Claude Mythos 5 on Bedrock (Restricted Preview) — You can too use Anthropic’s most succesful mannequin for cybersecurity and life sciences, together with vulnerability discovery, drug design, and biodefense screening. Entry is presently restricted because of the dual-use nature of those domains. To study extra, go to the mannequin card documentation.
Now out there
Anthropic’s Claude Fable 5 mannequin is offered immediately on Amazon Bedrock within the US East (N. Virginia) and Europe (Stockholm) Areas; verify the full record of Areas for future updates. Claude Fable 5 can also be out there on the Claude Platform on AWS in North America, South America, Europe, and Asia Pacific.
Give Claude Fable 5 a strive with the Amazon Bedrock APIs, within the Claude Platform on AWS, and ship suggestions to AWS re:Submit for Amazon Bedrock or by your traditional AWS Assist contacts.
— Channy
Up to date on June 9, 2026 — 1) Up to date the console screenshot. You should utilize the console on bedrock-runtime engine. The console assist on bedrock-mantle is coming quickly. 2) Fastened the appropriate mannequin id within the pattern code, 3) Fastened right provider_data_share parameter, 4) Add a knowledge retention setting script for bedrock-runtime engine.