When Anthropic unveiled Claude Sonnet 4.5, it wasn’t just another AI upgrade. The company called it their “most aligned frontier model” yet – one that doesn’t just generate text, but thinks, reasons, ...

In May, Anthropic announced two new AI systems, Opus 4 and Sonnet 4. Now, less than six months later, the company is introducing Sonnet 4.5, and calling it the best coding model in the world to date.

Anthropic (ANTHRO) introduced two new products on Tuesday, the agentic-focused Claude Sonnet 5 and Claude Science, a new app aimed at helping scientists automate research. Claude Sonnet 5 is capable ...

Anthropic’s Claude Sonnet 5 brings stronger agentic capabilities, lower pricing, and improved safety, positioning the model as a cheaper alternative to Opus, GPT-5.5, and Gemini Pro.

Anthropic has released a new version of its midsized Sonnet model, keeping pace with the company’s four-month update cycle. In a post announcing the new model, Anthropic emphasized improvements in ...

Anthropic rolls out Claude Sonnet 4.6 as its new default model, bringing stronger reasoning and coding power to free and paid users alike. OpenAI has ChatGPT. Google has Gemini. Anthropic is betting ...

Anthropic has officially launched Sonnet 5, a mid-tier AI model designed to bridge the gap between affordability and performance. With features like a 1-million-token context window and enhanced ...

In Anthropic’s universe, Sonnet is Claude’s medium-sized AI model that sits between the smaller Haiku model and the larger Opus model. “Claude Sonnet 5 is built to be the most agentic Sonnet model yet ...