Google today announced the launch of the newly upgraded Gemini model series, which includes Gemini-1.5-Pro-002 and Gemini-1.5-Flash-002. This update not only significantly enhances performance but also brings surprising price discounts, undoubtedly creating a buzz in the AI development community. Firstly, the most eye-catching aspect is the substantial price reduction. The usage cost of the new models has been halved, with a drop of over 50%. At the same time, performance has seen remarkable improvements.

Google announced a price cut for its fast AI model, Gemini 1.5 Flash, reducing input token costs to $0.075 per million tokens and output token costs to $0.30 per million tokens, representing a decrease of up to 78%. This move is highly beneficial for developers, particularly for scenarios such as summarization, classification, and multimodal understanding. The new API and AI studio from Google have enhanced PDF analysis capabilities, supporting the understanding of PDFs that include graphical and image content, and expanded language support to cover over 100 languages.

Google Gemini 1.5 has been released, featuring a context window of up to 1 million tokens, capable of handling entire books or even movies. In the 'needle in a haystack' test, Gemini 1.5's average accuracy ranged from 60% to 70%. In testing with 'Les Misérables', 80% of the answers evaluated by humans could be traced back to the source document, while machine evaluation showed 91%. The large context window of Gemini 1.5 may pose challenges in practical applications, particularly regarding the reliability of information retrieval.

Google Gemini 1.5 Pro has raised concerns about the authenticity of videos generated by OpenAI's Sora, labeling them as forgeries and pointing out significant inconsistencies. The Gemini 1.5 Pro analyzes a scene featuring cherry blossoms in Japan, questioning the authenticity of the video. OpenAI's Sora is a text-to-video tool that generates highly detailed videos, garnering attention and being referred to as the ChatGPT moment in the field of video generation. Google Gemini 1.5 Pro boasts an impressive 1 million markers.