Anthropic has introduced its newest artificial intelligence model, Claude Sonnet 4.5. This powerful release is designed to code longer and smarter than any of its predecessors. The model can work independently for up to 30 hours straight, offering developers unmatched reliability and precision.
Smarter Coding and Instruction Following
Compared to earlier versions, Sonnet 4.5 not only handles longer tasks but also follows instructions with greater accuracy. The company highlighted that the model can even use a person’s computer to take actions on their behalf, refining a feature first introduced last year. This capability makes it especially appealing for programmers who want to streamline their workflow.
Targeting Key Sectors
Anthropic emphasized that the model excels in high-demand industries like cybersecurity and financial services. Businesses in these areas often require extended coding sessions, and Sonnet 4.5 meets that need effectively. The company said this version makes notable progress in addressing practical business demands, which has become a pressing concern for many enterprises.
Racing Ahead of Rivals
The release comes as competition among AI leaders intensifies. OpenAI, Google, and others are pushing to attract developers with similar tools. Anthropic, valued at $183 billion, has already gained momentum with its coding products, generating $5 billion in run-rate revenue as of August. By unveiling Sonnet 4.5 just before OpenAI’s annual developer event, Anthropic is positioning itself as a serious front-runner in the AI race.
Leaders Share Their Vision
Jared Kaplan, co-founder and chief science officer, called Sonnet 4.5 “stronger in almost every way” than previous high-end models. He confirmed that work is underway on an improved Opus model, expected later this year. Chief Product Officer Mike Krieger added that while the model’s capabilities are advancing quickly, businesses still need time to adapt workflows and build deeper partnerships with AI developers.
The Bottom Line
Anthropic’s Claude Sonnet 4.5 represents a leap forward in coding automation, with long work sessions and smarter task handling. For industries under pressure to innovate, this model could prove transformative.
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