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What is Claude Opus 4.1?

Claude Opus 4.1 marks a significant iterative improvement over its earlier version, Claude Opus 4, with a focus on enhancing capabilities in coding, agentic reasoning, and data analysis while keeping deployment straightforward. This latest iteration achieves a remarkable coding accuracy of 74.5 percent on the SWE-bench Verified, alongside improved research depth and detailed tracking for agentic search operations. Additionally, GitHub has noted substantial progress in multi-file code refactoring, while Rakuten Group highlights its proficiency in pinpointing precise corrections in large codebases without introducing errors. Independent evaluations show that the performance of junior developers has seen an increase of about one standard deviation relative to Opus 4, indicating meaningful advancements that align with the trajectory of past Claude releases. Opus 4.1 is currently accessible to paid subscribers of Claude, seamlessly integrated into Claude Code, and available through the Anthropic API (model ID claude-opus-4-1-20250805), as well as through services like Amazon Bedrock and Google Cloud Vertex AI. Moreover, it can be effortlessly incorporated into existing workflows, needing only the selection of the updated model, which significantly enhances the user experience and boosts productivity. Such enhancements suggest a commitment to continuous improvement in user-centric design and operational efficiency.

What is AgentBench?

AgentBench is a dedicated evaluation platform designed to assess the performance and capabilities of autonomous AI agents. It offers a comprehensive set of benchmarks that examine various aspects of an agent's behavior, such as problem-solving abilities, decision-making strategies, adaptability, and interaction with simulated environments. Through the evaluation of agents across a range of tasks and scenarios, AgentBench allows developers to identify both the strengths and weaknesses in their agents' performance, including skills in planning, reasoning, and adapting in response to feedback. This framework not only provides critical insights into an agent's capacity to tackle complex situations that mirror real-world challenges but also serves as a valuable resource for both academic research and practical uses. Moreover, AgentBench significantly contributes to the ongoing improvement of autonomous agents, ensuring that they meet high standards of reliability and efficiency before being widely implemented, which ultimately fosters the progress of AI technology. As a result, the use of AgentBench can lead to more robust and capable AI systems that are better equipped to handle intricate tasks in diverse environments.

Media

Media

Integrations Supported

AiAssistWorks
Anything
C++
CSS
Claude Code
Devin
GitAuto
Go
Google Antigravity
IntelliJ IDEA
Java
Model Context Protocol (MCP)
PHP
PhpStorm
Python
Skymel
Snowflake Cortex AI
Twigg
Versuno
Windsurf Editor

Integrations Supported

AiAssistWorks
Anything
C++
CSS
Claude Code
Devin
GitAuto
Go
Google Antigravity
IntelliJ IDEA
Java
Model Context Protocol (MCP)
PHP
PhpStorm
Python
Skymel
Snowflake Cortex AI
Twigg
Versuno
Windsurf Editor

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Anthropic

Date Founded

2021

Company Location

United States

Company Website

www.anthropic.com/news/claude-opus-4-1

Company Facts

Organization Name

AgentBench

Company Location

China

Company Website

llmbench.ai/agent

Categories and Features

Categories and Features

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