Anthropic Releases Claude Sonnet 4.5 with Cutting-Edge AI Capabilities

Artificial intelligence research company Anthropic has launched Claude Sonnet 4.5, a significant upgrade to its AI model series that demonstrates major advancements in coding proficiency and introduces experimental interface generation capabilities.

Technical Breakthroughs

The new model achieves a 77.2% score on the SWE-bench Verified benchmark test, outperforming Claude Opus 4.1's previous record of 74.5%. This makes it the current leader in coding performance among publicly available AI models according to Anthropic's testing.

Key technical improvements include:

• Enhanced logical reasoning capabilities
• Superior performance in advanced mathematics
• Ability to handle multi-step coding tasks autonomously for over 30 continuous hours
• Optimized model alignment for reduced undesirable behaviors
• Implementation of ASL-3 security framework for content filtering

The model maintains its predecessor's pricing structure at $3 per million tokens for input and $15 per million tokens for output processing.

Imagine with Claude: A Glimpse into AI-Native Interfaces

The most innovative aspect of this release is the experimental "Imagine with Claude" feature, currently available as a five-day trial for Max subscribers:

"This temporary feature provides an interactive desktop-like environment where users can describe applications in natural language, and the AI generates functional interfaces in real-time," explained an Anthropic spokesperson.

The system differs fundamentally from traditional development by:

• Dynamically generating UI elements without pre-set templates
• Creating complete applications from user intent descriptions (e.g., weather apps with working data integration)
• Allowing direct placement of generated apps in desktop environments ## Developer Tools and Ecosystem Integration Alongside the core model release, Anthropic introduced several supporting tools:
  1. Claude Agent SDK: Enables custom agent development with VM access and memory management
  2. Enhanced Claude Code: Adds checkpoint functionality for instant rollbacks
  3. Expanded IDE integrations with VS Code and JetBrains environments
  4. New Chrome extension for Max subscribers ## Industry Implications and Limitations The "Imagine" feature has sparked discussions about future operating systems where:
• Interfaces evolve dynamically rather than relying on static code
• Applications adapt continuously to user needs However, Anthropic cautions that this remains early-stage technology facing challenges including:
• Response delays in complex UI generation
• Stability requirements for production environments
• Security considerations for dynamically generated code # Key Points: Claude Sonnet 4.5 Release | Feature | Advancement | |---------|-------------| | Coding Performance | 77.2% on SWE-bench (industry-leading) | | Model Efficiency | Outperforms larger Opus 4.1 in most dimensions | | Imagine Feature | Generates functional interfaces from natural language | | Security | ASL-3 framework implementation | | Availability | Through API, Amazon Bedrock & Google Vertex AI |