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Description

Claude Haiku 3.5 is a game-changing, high-speed model that enhances coding, reasoning, and tool usage, offering the best balance between performance and affordability. This latest version takes the speed of Claude Haiku 3 and improves upon every skill set, surpassing Claude Opus 3 in several intelligence benchmarks. Perfect for developers looking for rapid and effective AI assistance, Haiku 3.5 excels in high-demand environments, processing tasks efficiently while maintaining top-tier performance.

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.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

No images available

Integrations

AiAssistWorks Yes 
Amazon Bedrock Yes 
Amp Yes 
BLACKBOX AI Yes 
Bind AI Yes 
Claude Yes 
Claude Max Yes 
Claude Pro Yes 
Gemini Enterprise Agent Platform Yes 
Model Context Protocol (MCP) Yes 
Scalestack Yes 
StackAI Yes 
C# No 
Duck.ai Yes 
GoLand No 
Jenova Yes 
Kotlin No 
Mimasa AI No 
Muses No 
XXAI Yes 

Integrations

AiAssistWorks Yes 
Amazon Bedrock Yes 
Amp Yes 
BLACKBOX AI Yes 
Bind AI Yes 
Claude Yes 
Claude Max Yes 
Claude Pro Yes 
Gemini Enterprise Agent Platform Yes 
Model Context Protocol (MCP) Yes 
Scalestack Yes 
StackAI Yes 
C# Yes 
Duck.ai No 
GoLand Yes 
Jenova No 
Kotlin Yes 
Mimasa AI Yes 
Muses Yes 
XXAI No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Deployment

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

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

www.anthropic.com/claude/haiku

Vendor Details

Company Name

Anthropic

Founded

2021

Country

United States

Website

claude.ai

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