3.8 Flash hits the Pareto frontier: 5x cheaper, 2x faster than Opus 5 at similar intelligence

davidtsong · x · 2026-09-03

davidtsong calls 3.8 Flash a great model on the Pareto frontier, claiming it is roughly 5x cheaper and 2x faster than Opus 5 while offering similar intelligence — a strong pick for cost-sensitive workloads.

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