200K
15.75
78.75
Chat
Active

Claude Opus 4.1

Advanced AI model Claude Opus 4.1 delivers superior multi-file code refactoring, hybrid reasoning, and scalable agentic workflows, optimized for developers and enterprises handling complex software and data tasks.
Try it now

AI Playground

Test all API models in the sandbox environment before you integrate. We provide more than 200 models to integrate into your app.
AI Playground image
Ai models list in playground
Testimonials

Our Clients' Voices

Claude Opus 4.1Techflow Logo - Techflow X Webflow Template

Claude Opus 4.1

Claude Opus 4.1 from Anthropic is a powerful AI model optimized for coding, reasoning, and autonomous workflows.

Claude Opus 4.1 by Anthropic is an advanced upgrade to the flagship Claude Opus 4 model, designed for coding, reasoning, and agentic tasks with outstanding precision and a 200,000-token context window. It supports up to 32,000 tokens in responses, achieving a leading 74.5% on the SWE-bench Verified benchmark, demonstrating superior performance in complex multi-file code refactoring and debugging large codebases.

Technical Specifications and Features:

  • 200,000-token context window allowing deep, large-scale data analysis.
  • Up to 32,000 tokens output per response, enabling complex multi-step tasks.
  • Improved SWE-bench coding performance: 74.5% Verified (up from 72.5% in Opus 4).
  • Hybrid reasoning mode for instant answers or extended detailed step-by-step analysis.
  • Enhanced advanced coding capabilities for autonomous planning and execution of large-scale code projects.
  • Superior reasoning and data synthesis across structured and unstructured datasets, including patent and research documents.
  • Rich, natural language content generation with improved prose and tone.

Performance Metrics

Claude Opus 4.1 demonstrates improvements across a broad range of capabilities compared to Opus 4, with especially strong gains in handling complex multi-file code refactoring.

API Pricing

  • Input: $15.75 / MTok
  • Output: $78.75 / MTok

Key Use Cases:

  • Large-scale code refactoring and precise bug fixing in expansive software projects.
  • Autonomous multi-step reasoning tasks and long-horizon AI agent workflows.
  • Comprehensive data analysis and insight extraction from complex data sources.
  • High-quality content creation with sophisticated, human-like text output.

Comparison with Other Models

vs. Claude Opus 4:Claude Opus 4.1 offers improved precision and excels in multi-file refactoring with hybrid reasoning capabilities, marking a clear advancement over the already strong coding and reasoning performance of Opus 4.

vs. Gemini 2.5 Flash:Claude Opus 4.1 significantly outperforms Gemini 2.5 Flash by delivering superior coding accuracy, making it much better suited for complex software engineering tasks.

vs. OpenAI o3-mini:Compared to OpenAI o3-mini, Claude Opus 4.1 provides enhanced support for autonomous coding workflows and achieves higher benchmark scores, reflecting greater effectiveness in multi-step programming and reasoning.

Limitations

  • No multimodal or vision capabilities.
  • Fine-tuning is not supported.
  • Focused exclusively on text-based tasks.
```html ```
Try it now

400+ AI Models

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.

The Best Growth Choice
for Enterprise

Get API Key