Anthropic launched Claude 4 Sonnet and Claude 4 Opus AI models, significantly improving coding competencies. Claude Sonnet 4 outperforms Sonnet 3.7, while Claude Opus 4 surpasses large language models such as OpenAI’s o3, GPT-4.1, and Google’s Gemini 2.5 Pro. The models showed enhanced abilities in multilingual proficiency, autonomous coding, and graduate-level reasoning among other benchmarks. These models are accessible via Anthropic's API and partners like Amazon Bedrock and Google Cloud’s Vertex AI.