Free in advance! Baidu Wenshin Megamodel 4.5 and Wenshin Megamodel X1 are online!

On March 16, Baidu officially releasedBunshin Big Model 4.5 up toBunshin Big Model X1The first version is available for free on the official website of Wenxin Yiyin. According to reports, Wenxin big model 4.5 is Baidu's first native multimodal big model, its multimodal understanding, text and logical reasoning ability to significantly improve the performance in a number of tests better than GPT4.5, API call price is only GPT4.5 1%; Wenxin big model X1 for the depth of the thinking model, the performance of the target DeepSeek-R1The call price is about half that of R1.

As a new generation of Baidu's base model, Wenshin Big Model 4.5 outperforms GPT4.5, DeepSeek-V3, etc., and its average score is 79.6, higher than that of GPT4.5 (79.14). According to the introduction, Wenshin Big Model 4.5 improves the multimodal comprehension ability significantly, and it not only has "high IQ" in graphical reasoning and chart analysis, but also has "high EQ" in comprehending multimodal content such as terse diagrams, comics, songs and movies. According to the introduction, Wenshin Big Model 4.5 has significantly improved its multimodal comprehension ability, which not only has the "high IQ" of graphical reasoning and chart analysis, but also has the "high EQ" of comprehending multimodal contents such as terrier diagrams, comics, songs and movies.

Wenxin Big Model X1 is a deep thinking model, which not only benchmarks DeepSeek-R1 in terms of performance, has a "long chain of thought", and is good at Chinese knowledge quiz, literary creation, logical reasoning, etc., but also adds multi-modal capabilities and multi-tools, which can comprehend and generate pictures, and also call tools to generate code, charts and other rich content. Content.

According to reports, Wenxin Big Model X1 utilizes key technologies such as progressive reinforcement learning, end-to-end training based on the chain of thought and action, and a multifaceted and unified reward system, and through the joint optimization of Flying Paddle and Wenxin, it achieves extreme tuning of the whole chain from compression, inference, and service deployment, and dramatically reduces the cost of inference.

At present, both models have been online in the Wenxin Yiyan official website, users can log in to experience for free. At the same time, enterprises and developers can call the new model in Baidu Intelligent Cloud Qianfan big model platform, Wenxin big model 4.5 has been synchronized on-line, the input price of 0.004 yuan / thousands of tokens, the output of 0.016 yuan / thousands of tokens, about the price of GPT4.5 of the 1%; Wenxin big model X1 pricing for the input of 0.002 yuan / thousands of tokens, the output of 0.008 yuan / thousands of tokens, will soon be on-line in Qianfan platform. The price of Wenshin Big Model X1 is 0.002 RMB/thousand tokens for input and 0.008 RMB/thousand tokens for output.

Previously, Baidu has announced that Wenxin Yiyin will be free on April 1, and this release not only brings two new big models, but also advances the free time to comprehensively improve the user experience. Recently, Baidu in the AI big model action frequently, according to the previous preview shows that Baidu will be officially on June 30th will WenxinLarge model open sourceand release Wenshin Big Model 5.0 later this year.