DeepSeek is an AI LLM company founded in 2023 in Hangzhou, China; the V3/R1 series drew global attention with near-GPT-4-class performance and a training cost around $6M, with fully open model weights.
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1 results shownOpenAI releases GPT-5.4 as developer platform capabilities continue to improve
OpenAI's GPT-5.4 update expands the model options available to developers working on complex reasoning, tool use, and multimodal AI applications.