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Average Ratings 0 Ratings

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ease
features
design
support

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Write a Review

Description

Claude Fable 5.5 is an anticipated but currently unannounced model in Anthropic's Claude family, and Anthropic has not confirmed that a model with this name will be released. As of September 30, 2026, Claude Fable 5.1 remains the latest officially documented Fable model. Fable represents Anthropic's highest-end model tier for demanding reasoning and long-horizon agentic work, while the newer Opus 5.5 and Sonnet 5.5 occupy lower-cost positions in the Claude lineup. Anthropic's current documentation gives Fable 5.1 a 1-million-token context window and maximum output length of 128,000 tokens. It supports text and image inputs with text output and uses adaptive thinking that remains active throughout model operation. Fable 5.1 defaults to high reasoning effort and is listed as having a June 2026 reliable knowledge cutoff and training-data cutoff. API pricing is $10 per million input tokens and $50 per million output tokens, while prompt-cache reads cost $0.25 per million tokens and Batch API processing receives a 50% input and output discount. Anthropic's official documentation currently provides model identifiers for Fable 5.1 across the Claude API, Amazon Bedrock, Google Cloud, Microsoft Foundry, and Claude Platform on AWS. No equivalent model identifier, specifications, benchmark results, pricing, availability information, or release schedule has been published for Claude Fable 5.5.

Description

Mercury 3 is an innovative generative AI model offered by Inception, designed specifically for developers creating interactive applications. It employs a diffusion-based methodology to generate text concurrently, while also enabling streaming responses, tool utilization, structured outputs, and multimodal inputs that encompass text, images, and audio. By leveraging the Inception API, teams can implement it in various applications, such as conversational assistants, voice-driven platforms, search and browsing functionalities, tutoring solutions, and other responsive tasks that require dynamic generation. This powerful model is accessible through Inception's API and partnered inference providers, featuring compatibility with OpenAI's API for seamless integration into existing applications. Developers can assess the quality of the output and its latency before incorporating the model into their software, utilizing the comprehensive documentation provided with the API and SDK ecosystem. The service operates on a token-based usage system, offering a complimentary allocation along with paid rates for input and output tokens; enterprise-level options provide dedicated capacity and specialized support, ensuring flexibility and scalability for diverse projects. Ultimately, Mercury 3 empowers developers to harness advanced AI capabilities in their applications, streamlining the development process and enhancing user experiences.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

No images available

Screenshots View All

Integrations

Amazon Bedrock Yes 
Microsoft Foundry Yes 
Vercel AI Gateway Yes 
Biela.dev Yes 
C# Yes 
Claude Code Yes 
Claw Code Yes 
Devin Yes 
Java Yes 
Objective-C Yes 
OfoxAI Yes 
OpenClaw Yes 
Orchids Yes 
React Yes 
Snowflake Cortex AI Yes 
Springhub Yes 
Trinity-Large-Thinking Yes 
Versuno Yes 
Visual Basic Yes 
YAML Yes 

Integrations

Amazon Bedrock Yes 
Microsoft Foundry Yes 
Vercel AI Gateway Yes 
Biela.dev No 
C# No 
Claude Code No 
Claw Code No 
Devin No 
Java No 
Objective-C No 
OfoxAI No 
OpenClaw No 
Orchids No 
React No 
Snowflake Cortex AI No 
Springhub No 
Trinity-Large-Thinking No 
Versuno No 
Visual Basic No 
YAML No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

$0.10/1M input tokens
Launch pricing is $0.10 per million input tokens and $0.35 per million output tokens, 50% below standard rates of $0.20 and $0.70. A free allocation of 100 million tokens is available. Usage is token-metered; enterprise deployments offer dedicated capacity and priority support.
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Anthropic

Founded

2021

Country

United States

Website

claude.ai

Vendor Details

Company Name

Inception

Founded

2024

Country

United States

Website

www.inceptionlabs.ai/models

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