Claude Fable 5.1Anthropic
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Related Products
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About
Apodex is a self-evolving heavy-duty solver for deep research, built to answer the questions that matter with verified reasoning rather than a quick chat reply. It reasons through hard problems step by step, checks every conclusion before moving to the next, and produces a verified brief with citations in every report. Designed for complex inquiries with no easy existing answer, Apodex performs deep research, explores evidence, and verifies each step so users can trust how the final conclusion was reached. Signed-in users can save every inquiry, return, and continue anytime, search across threads, branch off any report, and review a step-level reasoning trace. Apodex-1.0 is a verification-centric model for deep research that can run as a standard tool-using ReAct agent, while its heavy-duty mode deploys an asynchronous agent team where specialized sub-agents handle retrieval and verification, route findings through a shared evidence pool, and feed a global verifier.
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About
Claude Fable 5.1 is Anthropic’s advanced AI model for coding, knowledge work, research, and long-running agentic tasks. It is designed to improve on Claude Fable 5 with stronger performance across software engineering, scientific research, multidisciplinary reasoning, computer use, business workflows, and complex problem solving. The model can handle extended multi-step work, verify its own results, diagnose difficult software issues, and operate effectively across tool-heavy workflows. Anthropic also reduced cache-read pricing for Fable 5.1, lowering typical usage costs compared with Fable 5 and creating larger savings for highly agentic workloads. Fable 5.1 includes updated safeguards intended to reduce false positives while allowing more legitimate cybersecurity tasks such as vulnerability discovery for defensive purposes. The model is available through Claude products, the Claude API, Amazon Web Services, Google Cloud, and Microsoft Azure.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Researchers, analysts, and professionals requiring verified, cited briefs that reason through complex questions step by step
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Audience
Software developers, researchers, enterprises, analysts, knowledge workers, and AI application teams that need advanced coding, reasoning, research, and long-running agentic capabilities
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
No information available.
Free Version
Free Trial
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Pricing
$10 per 1M tokens (input)
$10 per million input tokens and $50 per million output tokens
Free Version
Free Trial
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationApodex
Founded: 2025
United States
www.apodex.ai/
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Company InformationAnthropic
Founded: 2021
United States
claude.ai
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Categories |
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Integrations
AiAssistWorks
Apodex 1.1
Bolt.new
Cherry Studio
DataGrip
Dessix
Emergent
Flowise
GitAuto
Higgsfield Supercomputer
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Integrations
AiAssistWorks
Apodex 1.1
Bolt.new
Cherry Studio
DataGrip
Dessix
Emergent
Flowise
GitAuto
Higgsfield Supercomputer
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