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Compare DeepSeek V4.1 Flash and V4 Pro across architecture, official benchmarks, API pricing, vision, concurrency, and migration choices.

Compare current DeepSeek V4 Pro and V4.1 Flash API rates, model IDs, peak and off-peak prices, cache savings, and real workload costs.

Learn how to install and deploy DeepSeek Harness locally in 2026. This guide covers prerequisites, official install methods, advanced options