Anthropic launches Claude Sonnet 4.5, claims it’s the world’s best coding model September 29, 2025 by admin Tweet Anthropic has released Claude Sonnet 4.5, a new large language model that excels at coding tasks and outperforms competitors' coding benchmarks. Read more… Neowin Related Posts:Anthropic unveils Claude 3.5 Sonnet, claiming it…Anthropic launches updated Claude 3.5 Sonnet model…Anthropic releases Claude 3.7 Sonnet, its new AI…Anthropic reveals Claude 3 AI LLMs, claims it beats…Anthropic launches Claude 2, can write longer…