Claude Sonnet 5.5 Reviews & Ratings

Claude Sonnet 5.5

5.0 out of 5 stars

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ease 0 out of 5 stars
features 0 out of 5 stars
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Total 5 out of 5 stars
ease 5 out of 5 stars
features 5 out of 5 stars

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What is Stableoutput?

Stableoutput offers a user-friendly AI chat platform that allows individuals to interact with advanced AI models, such as OpenAI's GPT-4o and Anthropic's Claude 3.5 Sonnet, all without requiring any coding expertise. Operating on a bring-your-own-key model, users can securely enter their API keys, which are stored locally in their browser to ensure that privacy is maintained, as these keys are never transmitted to Stableoutput's servers. The platform is enhanced with a variety of features, including cloud synchronization, an API usage tracker, and customizable system prompts that adjust model parameters such as temperature and token limits. Furthermore, users can upload diverse file formats—ranging from PDFs to images and code files—allowing for more in-depth AI analysis and enriching the conversational context. Users can also pin conversations for easy reference and share chats with customizable visibility options, along with managing message requests effectively to optimize API usage. By making a one-time payment, users gain lifetime access to these powerful features, positioning Stableoutput as an essential resource for those eager to leverage AI technologies in an accessible way. Additionally, the platform's focus on user experience ensures that everyone, regardless of technical background, can benefit from AI advancements seamlessly.

What is Claude Sonnet 5.5?

Claude Sonnet 5.5 is Anthropic’s faster, lower-cost Claude 5.5 model for well-scoped professional work, software development, agentic workflows, and content creation. Anthropic positions it below Claude Opus 5.5 for the most complex open-ended work, but says it can perform comparably on some benchmarks when run at higher effort settings. The model delivers a particularly large improvement in coding, including a 70.6% result on Terminal-Bench 4.0, 46.2% on FrontierCode at Max effort, and 55.5% on CursorBench 4.0. It also scores 1844 on GDPval-AA, 1811 on AA-Briefcase, 64.5% on Humanity’s Last Exam with tools, and 80.1% on OSWorld 2.1 partial. Anthropic reports that Sonnet 5.5 is better at long-horizon work, image understanding, collaboration, and codebase comprehension than Sonnet 5. The company also highlights design-oriented improvements, including the ability to produce polished documents, spreadsheets, slides, and user interfaces with less editing. Sonnet 5.5 generates output more than 30% faster than its predecessor and is Anthropic’s fastest Sonnet model to date. Although its listed token prices are unchanged from Sonnet 5, Anthropic says greater token efficiency can reduce per-task cost by up to 30%. Pricing is $2 per million input tokens, $10 per million output tokens, $2.50 per million cache-write tokens, and $0.20 per million cache-read tokens. The model includes cyber safeguards, biology safeguards, reasoning-extraction protections, and preserved-thinking controls, with some higher-risk cyber requests falling back to Sonnet 5. Claude Sonnet 5.5 is available with zero data retention across Claude products, the Claude Platform, AWS, Google Cloud, and Microsoft Azure under the model name claude-sonnet-5-5.

Media

Media

Integrations Supported

Claude
Claude Duet
Claude for Legal
GPT-4

Integrations Supported

Claude
Claude Duet
Claude for Legal
BLACKBOX AI
Bind AI
Claude Max
IntelliJ IDEA
Julia
Microsoft Foundry
OpenClaw
Oxen.ai
PrivatClaw
PyCharm
Replit
Scalestack
Shipper.now
Simtheory
Vellum
Visual Studio Code

API Availability

Has API

API Availability

Has API

Pricing Information

$29 one-time payment
Free Version

Pricing Information

$2 per 1M tokens (input)
$2 per million input tokens and $10 per million output tokens.

Cache reads, which account for most costs in agentic and coding workloads, are priced at just $0.10 per million tokens

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub
On-Site Training

Training Options

Documentation Hub

Company Facts

Organization Name

Stableoutput

Company Location

Indonesia

Company Website

stableoutput.com

Company Facts

Organization Name

Anthropic

Date Founded

2021

Company Location

United States

Company Website

claude.ai

Categories and Features

AI Tools

Not specified

Categories and Features

AI Coding Models

Not specified

AI Models

Not specified

AI Reasoning Models

Not specified

AI Vision Models

Not specified

Foundation Models

Not specified

Large Language Models

Not specified

Multimodal Models

Not specified

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