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Benchmark of 15 AI Models Reveals Some Cost 99% Less Than Premium Options

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A developer running production apps for text generation, summarization, and chat conducted speed and cost benchmarks on 15 AI models on May 20, 2026, testing from US East and Asia-Pacific regions. The tests measured Time to First Token and sustained output speed across models from providers including Qwen, DeepSeek, StepFun, Tencent, and ByteDance. Results showed stark price differences, with Qwen3-8B priced at $0.01 per million output tokens while top-ranked Step-3.5-Flash delivered 80 tokens per second at $0.15 per million. By contrast, premium models such as Kimi K2.5 cost $3.00 per million output tokens while delivering significantly slower speeds. The findings suggest developers defaulting to well-known premium APIs may be overpaying substantially without a proportional gain in performance for common tasks.

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