Claude vs. Claude Opus 5.5 Comparison


Claude Anthropic	Claude Opus 5.5 Anthropic	+	+
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About Claude is a next-generation AI assistant developed by Anthropic to help individuals and teams solve complex problems with safety, accuracy, and reliability at its core. It is designed to support a wide range of tasks, including writing, editing, coding, data analysis, and research. Claude allows users to create and iterate on documents, websites, graphics, and code directly within chat using collaborative tools like Artifacts. The platform supports file uploads, image analysis, and data visualization to enhance productivity and understanding. Claude is available across web, iOS, and Android, making it accessible wherever work happens. With built-in web search and extended reasoning capabilities, Claude helps users find information and think through challenging problems more effectively. Anthropic emphasizes security, privacy, and responsible AI development to ensure Claude can be trusted in professional and personal workflows.	About Claude Opus 5.5 is Anthropic’s advanced AI model for agentic coding, complex knowledge work, computer use, research, and long-running professional tasks. It is designed to handle large codebases, multi-step workflows, financial analysis, document creation, software audits, and other demanding workloads with improved efficiency over Claude Opus 5. Anthropic reports that Opus 5.5 uses fewer tokens per task, produces output more than 30% faster, and costs less to run than its predecessor. The model also improves communication quality by putting important information first, reducing unnecessary jargon, and following writing instructions more consistently. Safety enhancements include stronger prompt-injection resistance, action screening, sandboxing support, code review, behavioral alignment testing, and safeguards for high-risk cybersecurity & biology. Claude Opus 5.5 is available through Claude, Claude Code, the Claude Platform API, Amazon Web Services, Google Cloud, and Microsoft Azure.
Platforms Supported Windows Mac Linux Cloud On-Premises iPhone iPad Android Chromebook	Platforms Supported Windows Mac Linux Cloud On-Premises iPhone iPad Android Chromebook
Audience Claude is best suited for individuals, professionals, developers, and teams who need a safe, reliable AI assistant for writing, coding, research, and complex problem-solving across personal and business use cases	Audience Software developers, AI engineers, researchers, analysts, legal and financial professionals, enterprises, and other organizations that need a high-capability model for coding, knowledge work, computer use, and long-running agentic workflows
Support Phone Support 24/7 Live Support Online	Support Phone Support 24/7 Live Support Online
API Offers API	API Offers API
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing Free Free Version Free Trial	Pricing $4 per 1M tokens (input) $4 per million input tokens and $20 per million output tokens. Cache reads, which account for most costs in agentic and coding workloads, are priced at just $0.20 per million tokens which is 60% cheaper than Opus 5. Opus 5.5 also delivers output over 30% faster than its predecessor. Free Version Free Trial
Reviews/Ratings Overall 4.5 / 5 ease 4.5 / 5 features 5.0 / 5 design 5.0 / 5 support 4.5 / 5 Read all reviews	Reviews/Ratings Overall 5.0 / 5 ease 5.0 / 5 features 5.0 / 5 design 5.0 / 5 Read all reviews
Pros & Cons from Real Users Pros One of the most natural-writing AIs Great for reports, coding, summaries handles long documents better than most AI tools Good for legal docs, research, financial analysis Claude is easy to use, has a good UI and buttons like "copy text" to make copying the output of the text easy. Writes a draft before writing the full output, when writing articles. AND, 100,000 token context windows make this the most unique AI chatbot and model currently available. Cons Heavy users hit limits fast Sometimes refuses tasks (over-safety mode) Struggles with multiple files at once in some cases Not reliable for final output Most pros use it only for drafts, not final work Sometimes Claude doesn't finish its output, like say, when writing an article. And it's not always clear why.	Pros & Cons from Real Users Pros After using it, the biggest thing I notice is how much better it is at sustained work. It stays organized across long coding sessions, multi-file changes, research tasks, and agent workflows without needing nearly as much babysitting. The coding performance is excellent. Anthropic reports 54.6% on FrontierCode 1.1 at default effort, ahead of GPT-6 Astra’s reported 53.3%, and I can see why. It is especially good at understanding a large task, making sensible changes, and avoiding unnecessary edits. I also really like the efficiency. At $4 per million input tokens and $20 per million output tokens, plus much cheaper cache reads, Opus 5.5 is easier to use heavily than Opus 5. Anthropic says typical workloads come out around 40% cheaper overall. Another improvement is the writing. It is noticeably less verbose and easier to follow, which matters a lot during long sessions when I need to quickly understand what the model changed and why. Cons The main downside is that it is still a premium model, so I would not waste it on every trivial task. And like any coding agent, I still review diffs, run tests, and keep permissions tight.
Training Documentation Webinars Live Online In Person	Training Documentation Webinars Live Online In Person
Company Information Anthropic Founded: 2021 United States claude.ai/	Company Information Anthropic Founded: 2021 United States claude.ai
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Claude Pro Anthropic	Claude Sonnet 5 Anthropic
Claude Max Anthropic View All	Claude Sonnet 4.6 Anthropic View All
Categories Agentic AI AI Agents AI Chatbots AI Code Generators AI Code Refactoring AI Coding Models AI Content Generators AI Copywriters AI Models AI Prompt Generators AI Script Generators AI Summarizers AI Tools AI Writing Artificial Intelligence Chatbot Conversational AI Embedding Models Foundation Models Generative AI Large Language Models LLM API Natural Language Generation Natural Language Processing	Categories AI Coding Models AI Models AI Reasoning Models AI Vision Models Foundation Models Large Language Models Multimodal Models

Integrations C C++ Claude Agent SDK Claude Max Claude Security Gemini Enterprise Agent Platform Java JavaScript Kotlin Microsoft Foundry Mimasa AI OpenClaw Perplexity Pro Pi Agent PrivatClaw Python Rust Snowflake Cortex AI StackAI TypeScript Show More Integrations View All 1243 Integrations	Integrations C C++ Claude Agent SDK Claude Max Claude Security Gemini Enterprise Agent Platform Java JavaScript Kotlin Microsoft Foundry Mimasa AI OpenClaw Perplexity Pro Pi Agent PrivatClaw Python Rust Snowflake Cortex AI StackAI TypeScript Show More Integrations View All 141 Integrations
Claim Claude and update features and information Claim Claude and update features and information	Claim Claude Opus 5.5 and update features and information Claim Claude Opus 5.5 and update features and information