Developer Benchmarks DeepSeek, Qwen, Kimi and GLM Against Western AI Models

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A software developer conducted hands-on testing of four Chinese AI model families — DeepSeek, Qwen, Kimi, and GLM — across coding, reasoning, creative writing, and Chinese language tasks. All four models were accessed through a unified API endpoint, allowing direct comparison without rewriting code for each provider. Pricing emerged as a standout factor, with some models starting as low as $0.01 per million tokens, far below comparable Western alternatives. DeepSeek's V4 Flash was highlighted as a top performer for coding and English output, reportedly delivering quality close to GPT-4o at roughly 40 times lower cost. Qwen offered the widest range of model sizes, Kimi led on logical reasoning, and GLM and Kimi both outperformed the others on Mandarin language tasks.

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