Developer Benchmarks DeepSeek, Qwen, Kimi, and GLM Against Each Other in Real Workloads

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A developer replaced OpenAI and Anthropic API calls in personal projects with Chinese open-weight AI models after growing frustrated with vendor lock-in, price hikes, and sudden model deprecations. The models tested were DeepSeek, Qwen, Kimi, and GLM, all accessed through a single OpenAI-compatible endpoint called Global API. Evaluation covered coding tasks, reasoning problems, multilingual prompts, inference speed, and cost per task. The developer highlighted that several Chinese labs, particularly DeepSeek and Qwen, release models under permissive open-source licenses such as Apache 2.0 and MIT. The experiment aimed to determine which Chinese open-weight model family offered the best balance of performance, openness, and affordability for production use.

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