Baidu reveals Ernie 4.5 and the argumentation model Ernie X1, Ernie Bot releases before the schedule

• With the introduction of Ernie 4.5 and Ernie X1, Ernie Bot is made free of charge for the public, and users can access both models free of charge.
• As a deep -thinking argumentation model with multimodal functions, Ernie X1 offers a performance with Deepseek R1 at only half of the price.
• Ernie 4.5 is the company's latest foundation model and the native multimodal model of the company, whereby input and starting prices begin so low RMB 0.004 per thousand tokens and RMB 0.016 per thousand tokens.

BeijingPresent March 16, 2025 / Prnewswire/ -baidu, Inc. (Nasdaq: Bidu and HKEX: 9888), a leading AI company with strong Internet Foundation, started its latest foundation models today, including the multimodal foundation model Ernie 4.5 and the Deep-Thinking-Argumente model Ernie X1. Both models are now freely accessible on the official website of Ernie Bot for individual users (

The start of Ernie 4.5 and Ernie X1 marks an important milestone in order to exceed the borders of multimodal and argumentation models and to offer advanced skills at a better price. It also underlines Baidu's commitment to the continuous investment in the development of intelligent and more powerful foundation models of the next generation.

Baidu also plans to have Ernie 4.5 and X1 integrated into its product ecosystem. This integration includes the Baidu search, the Wenxiaoyan app and other offers that offer a wider basis of individual users a more versatile and improvement experience.

With the addition of Ernie 4.5 and Ernie X1, Ernie Bot is freed from the public. At the beginning of this year, the company announced a plan that Ernie offered for individual users, April 1st. For companies and developers, Ernie 4.5 is now accessible via APIS on the Maas platform Qianfan from Baidu Ai Cloud, while Ernie X1 will soon be available on the platform.

Ernie 4.5: Baidu's New Generation Native Multimodal Foundation Model

Ernie 4.5 is Baidu's New Generation Native Multimodal Foundation Model, which was independently developed by the company. It achieves the collaborative optimization through the joint modeling of several modalities and shows extraordinary multimodal understanding functions. With refined language skills, it has extensive improvements in relation to understanding, generation, argument and memory as well as remarkable improvements in hallucination prevention, logical thinking and coding skills.

The multimodal functions of Ernie 4.5 are shown in the ability to integrate and understand text, images, audio and video content.

Ernie 4.5 also has a strong intelligence and context -related awareness, with effortless internet memes, satirical cartoons and much more.

As the latest foundation model and native multimodal model from Baidu, Ernie exceeds 4.5 GPT-4.5 in several benchmarks, while rating only 1% of GPT-4.5.

The significant improvements of the skills of Ernie 4.5 are attributed to several key technologies, including “flashmask” dynamic attention masking, heterogeneous multimodal mixture of experts, spatial -time presentation, knowledge -oriented training data construction, self -speed improves after training.

Ernie X1: Baidus new deep -thinking argumentation model

Ernie X1 has improved skills for understanding, planning, reflection and evolution. As Baidus fiRST Multimodal, deep-thinking argumentation model, which is able to use X1 in tool use, is also characterized in Chinese knowledge and answers, literature, writing of manuscript, dialogue, logical thinking and complex calculations.

Especially for the use of tools, X1 supports various tools, including expanded search, questions and answers to the given document, image understanding, AI image generation, code interpreting, website reading, treemind -mapping, academic search for baidu, business information and franchise information.

The extensive increase in the skills of Ernie X1 is underpinned by key technologies such as the progressive reinforcement method, the end-to-end training approach to integrate thinking and action chains and a uniform, diverse reward system.

Enterprise users and operations can access the API of Ernie 4.5 via the Qianfan Foundation Model Platform of the Qianfan Foundation by Baidu ai Ai Cloud RMB 0.004 per thousand tokens and output prices RMB 0.016 per thousand tokens. Ernie X1 will soon be available on the Qianfan platform, whereby the input prices are as low as RMB 0.002 per thousand tokens and starting prices as low as RMB 0.008 per thousand tokens.

2025 is said to be an important year for the development and iteration of large language models and technologies. With the introduction of Ernie 4.5 and Ernie X1, Baidu will continue to invest in artificial intelligence, data centers and cloud infrastructure to advance our AI functions and to develop more intelligent and powerful models of the next generation.

About baidu

Baidus Mission was founded in 2000 and it is to simplify the complicated world through technology. Baidu is a leading AI company with a strong Internet Foundation, which deals with “Bidu” and HKEX under “9888” on the Nasdaq. A Baidu ads represent eight class A.

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Source Baidu, Inc.