Claude Opus 4.1
Last Updated on: Sep 12, 2025
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What is Claude Opus 4.1?
Claude Opus 4.1 is the latest upgrade of Anthropic’s AI model Claude Opus 4, enhancing agentic tasks, coding, and reasoning capabilities. This version improves state-of-the-art coding performance, achieving 74.5% on SWE-bench Verified and excels in detailed research, data analysis, and multi-file code refactoring. It is optimized for precise bug fixes without unnecessary changes and is designed to boost productivity for developers and researchers. Claude Opus 4.1 is available via API and integrated into platforms like Amazon Bedrock and Google Cloud’s Vertex AI, offering advanced AI solutions with consistent pricing from the previous model.
Who can use Claude Opus 4.1 & how?
Who Can Use It?
How to Use Claude Opus 4.1?
- Software Developers: Debug, refactor, and write complex code efficiently with precise suggestions.
- Data Analysts & Researchers: Conduct in-depth research and data analysis with enhanced AI support.
- DevOps & Engineers: Automate and optimize multi-file project workflows smoothly.
- Businesses & Enterprises: Integrate powerful AI capabilities via cloud platforms like Amazon Bedrock.
- API Users & AI Enthusiasts: Access through API for custom AI applications and experimentation.
How to Use Claude Opus 4.1?
- Upgrade Your Model: Use `claude-opus-4-1-20250805` in your API calls for best results.
- Explore Documentation: Review system cards, model pages, and pricing documents for guidance.
- Leverage Multi-File Refactoring: Utilize new improvements for managing complex codebases.
- Provide Feedback: Share your experience to help improve future releases and capabilities.
What's so unique or special about Claude Opus 4.1?
- Advanced Coding Accuracy: Leading the industry with 74.5% on SWE-bench Verified.
- Improved Agentic Reasoning: Enhanced capacity for search and detailed context tracking.
- Multi-File Code Refactoring: Excels at making focused corrections without bugs.
- Wide Platform Availability: Accessible via API, Amazon Bedrock, and Google Cloud Vertex AI.
- Consistent Pricing & Support: Same pricing as Opus 4 with ongoing improvements based on user feedback.
Things We Like
- Precise bug fixing and code refactoring for cleaner codebases.
- Strong improvements in research and data analysis capabilities.
- Easy integration with major cloud platforms for enterprise use.
- Continuous updates with user-centered enhancements.
Things We Don't Like
- May require some learning curve for optimal agentic search use.
- Performance gains primarily geared towards paid users and API clients.
- Less publicly documented examples compared to some competitors.
- Still evolving with larger model upgrades promised in coming weeks.
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Pricing
FreemiumFree
$ 0.00
Chat on web, iOS, Android, and on your desktop
Generate code and visualize data
Write, edit, and create content
Analyze text and images
Ability to search the web
Unlock more from Claude with desktop extensions
Generate code and visualize data
Write, edit, and create content
Analyze text and images
Ability to search the web
Unlock more from Claude with desktop extensions
Pro
$ 17.00
Everything in Free, plus:
More usage
Access Claude Code directly in your terminal
Access to unlimited Projects to organize chats and documents
Access to Research
Connect Google Workspace: email, calendar, and docs
Connect your everyday tools in just a few clicks (with remote MCP servers)
Extended thinking for complex work
Ability to use more Claude models
More usage
Access Claude Code directly in your terminal
Access to unlimited Projects to organize chats and documents
Access to Research
Connect Google Workspace: email, calendar, and docs
Connect your everyday tools in just a few clicks (with remote MCP servers)
Extended thinking for complex work
Ability to use more Claude models
Max
$ 100.00
Everything in Pro, plus:
Choose 5x or 20x more usage per session than Pro
Higher output limits for all tasks
Early access to advanced Claude features
Priority access at high traffic times
Choose 5x or 20x more usage per session than Pro
Higher output limits for all tasks
Early access to advanced Claude features
Priority access at high traffic times
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FAQs
Claude Opus 4.1 is an enhanced AI model from Anthropic improving coding, agentic tasks, and reasoning performance.
It offers precise multi-file code refactoring and debugging with minimal unnecessary changes.
Available through Anthropic’s API, Amazon Bedrock, and Google Cloud’s Vertex AI.
No, it maintains the same pricing structure as the previous version.
Yes, it shows improved capabilities in agentic search and detailed data tracking.
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Editorial Note
This page was researched and written by the ATB Editorial Team. Our team researches each AI tool by reviewing its official website, testing features, exploring real use cases, and considering user feedback. Every page is fact-checked and regularly updated to ensure the information stays accurate, neutral, and useful for our readers.
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