Today marks a significant advancement in artificial intelligence with the release of Claude 4.5, now available to users everywhere. Utilizing the Claude API, developers can access this enhanced model under the identifier “claude-sonnet-4-5,” maintaining the same pricing as its predecessor, Claude Sonnet 4, at $3 per million input tokens and $15 per million output tokens.
New Features and Enhancements
In addition to the model upgrade, the Claude family of AI tools has also received some noteworthy ancillary features. Notably, Anthropic has introduced code execution and file creation capabilities directly within the chat interface for users accessing Claude’s web platform and dedicated applications. As a result, individuals can now generate spreadsheets, presentation slides, and documents without needing to exit the chat environment, streamlining workflows significantly.
A particularly exciting development is the release of a five-day research preview titled “Imagine with Claude” for Max subscribers. This feature demonstrates the model’s ability to generate software in real time, showcasing the impressive capabilities of Claude Sonnet 4.5 when paired with the right infrastructure. Anthropic describes it as “a fun demonstration” of the model’s potential, highlighting its application in practical scenarios.
A screenshot of the available Anthropic AI models for Claude Max users seen in the Claude web interface on September 29, 2025. Credit: Benj Edwards
Claude Code Enhancements
Alongside the Claude 4.5 model, the command-line development tool, Claude Code, has received a variety of updates. The introduction of checkpoints allows users to save their progress and roll back to previous states, thus enhancing overall user experience. Additionally, the terminal interface has been refreshed, and a native extension for Visual Studio Code has been launched, further broadening the tool’s compatibility and usability.
Addressing Challenges with AI Interaction
As AI companies continue to use software development benchmarks as indicators of capabilities, the release of Claude Sonnet 4.5 is particularly timely. The model reportedly demonstrates significant improvements in reducing issues such as “sycophancy, deception, power-seeking, and tendencies toward encouraging delusional thinking.” This is especially relevant in today’s AI landscape, where users often seek reliable and responsible assistance from chatbots.
Fostering an environment free from excessive praise for flawed ideas is crucial. Sycophancy can lead to misguided conclusions, contributing to potential dangers, especially when users depend on AI for guidance. While some may debate the framing of these behaviors in anthropomorphic terms, the focus on mitigating sycophancy is a positive step as AI becomes more integrated into everyday tasks beyond mere coding assistance.
In conclusion, the introduction of Claude 4.5 and its associated features not only highlights Anthropic’s commitment to enhancing user experience but also addresses some of the ethical and operational challenges faced in AI interactions. As the line between assistance and dependence continues to blur, tools like Claude must evolve to meet user expectations while maintaining a strong ethical framework.
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Image Credit: arstechnica.com
