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Opus 4.1

Paid

Upgraded Claude model for agentic tasks, coding, and reasoning

4.5
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Inputs: textOutputs: text
Type
Saas
Company
Anthropic
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About Opus 4.1

Opus 4.1 is a large language model developed by Anthropic, described as a new model with strong capabilities in coding, agentic tasks, and complex reasoning. The model appears designed for advanced problem-solving and autonomous task execution, positioning it as a competitor to other frontier models like GPT-5.5 and Gemini 3.1 Pro.

Key Features

Advanced coding capabilities for generating and debugging code
Agentic capabilities enabling autonomous task execution and workflow management
Complex reasoning abilities suitable for multi-step problem solving
Part of Anthropic's ecosystem of AI models, likely integrated with Claude platform features
New model iteration (Opus 4.1) indicating ongoing improvements over previous versions

Pros & Cons

Pros
  • Impressively strong performance in coding and complex reasoning tasks according to available description
  • Developed by Anthropic, a leading AI research company known for safety-focused language models
  • Agentic capabilities allow for autonomous execution of multi-step tasks
  • Rated highly (4.5/5) on the AIxploria directory based on user feedback
  • Part of a broader family of models, suggesting ongoing updates and community support
Cons
  • Pricing is not publicly listed; interested users must contact Anthropic for details
  • Free tier or trial availability is not mentioned – likely a paid-only model
  • May require internet access and integration with Anthropic's platform to use effectively
  • Specific model details (e.g., context window, token limits, multimodal support) are not provided and should be verified directly
  • As a proprietary model, it may not be open-source, limiting customization and transparency

Best For

Software development and code generation in multiple programming languagesAutomated reasoning and analysis for research, data processing, or decision-makingBuilding AI agents that interact with tools and APIs to complete complex workflowsAssisting with technical documentation, code review, and debuggingHandling large-scale reasoning tasks that require high accuracy and contextual understanding

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FAQ

What is Opus 4.1?
Based on the directory listing, Opus 4.1 is a new AI model from Anthropic with strong capabilities in coding, agentic tasks, and complex reasoning. It is categorized as a premium LLM.
How much does Opus 4.1 cost?
Pricing information is not publicly available on the listing; the model is marked as 'contact' for pricing. Potential users should reach out to Anthropic directly for current pricing details.
What are the main use cases for Opus 4.1?
The description highlights coding, agentic tasks, and advanced reasoning. This suggests use cases in software development, autonomous workflow execution, and complex problem-solving across technical domains.
Is Opus 4.1 available for free?
The listing indicates it is a paid tool ('Payant'). There is no mention of a free tier. Users should verify any free access options directly with Anthropic.
How does Opus 4.1 compare to other Anthropic models like Claude Opus 4.5?
Opus 4.1 is listed alongside other Claude Opus versions on the directory. The specific differences are not detailed, but it likely represents a newer iteration with improved performance in targeted areas like coding and reasoning. Exact comparisons should be confirmed with Anthropic's official documentation.