Tongyi Tingwu provides technical support. Based on the video transcript and summary from the OpenAI Developer Conference, it introduces the achievements of OpenAI over the past year, including the release of ChatGPT, gpt4, voice and visual capabilities, and the launch of ChatGPT Enterprise. The speaker also discussed the improvements and new features of GPT-4 Turbo, as well as the development of new modes and custom models. Additionally, the speaker emphasized the potential of artificial intelligence in application and developer experiences.