According to DeepSeek (@deepseek_ai), DeepSeek has updated its API with significant enhancements for enterprise AI development. The deepseek-chat API now supports 'non-thinking mode,' while deepseek-reasoner introduces 'thinking mode,' catering to different AI application needs. Both APIs now feature a 128K context window, enabling advanced large-context processing for complex tasks. Additionally, the APIs support the Anthropic API format, which increases compatibility for developers migrating from Claude or other Anthropic-based systems. The Beta API also offers strict function calling, streamlining workflow automation and task orchestration in business applications. These updates provide more robust API resources, smoother performance, and open new opportunities for building large-scale, reliable AI solutions across industries (Source: DeepSeek Twitter, August 21, 2025).