Perplexity Fine-Tuned a Chinese AI Model to Match Claude Opus 4.8 at One-Third the Cost

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Perplexity Fine-Tuned a Chinese AI Model to Match Claude Opus 4.8 at One-Third the Cost

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Perplexity has fine-tuned a Chinese AI model to match Claude Opus 4.8 at one-third the cost, leveraging an open-source base and a frontier advisor. This post-trained GLM 5.2 preview is already live in production, showcasing the company's ability to optimize AI performance while significantly reducing costs, a development that could disrupt the AI market and challenge established players.

The company's post-trained GLM 5.2 preview pairs a cheaper open-source base with a frontier advisor—and it's already live in production.