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Baidu delivers new LLMs ERNIE 4.5 and ERNIE X1 undercutting DeepSeek, OpenAI on cost — but they’re not open source (yet)
Baidu has also announced plans to integrate ERNIE 4.5 and ERNIE X1 into its broader ecosystem, including Baidu Search and the Wenxiaoyan app.
Unlike standard multimodal AI models, ERNIE X1 is specifically designed for complex reasoning and tool use, enabling it to perform tasks such as advanced search, document-based Q&A, AI-generated image interpretation, code execution, and web page analysis. Multimodal and Reasoning Capabilities – The ability to process and understand text, images, audio, and video could be valuable for businesses in industries such as customer support, content generation, legal tech, and finance. Licensing and Data Privacy – While Baidu has indicated that GPT-4.5 will be made open source later this summer, June 30, 2025, that’s still three months away, so enterprises should at least wait until that time to assess whether it’s worth deploying locally or on US-hosted cloud services.
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