Kimi K3.1 vs Opus 5.5: 80% Cheaper and 4x Faster on Same Task
sven_ai · x · 2026-10-24
Blogger svenai ran the same rocket-scenario task on Kimi K3.1 and Opus 5.5: Kimi finished in 6 minutes for $1.95, while Opus 5.5 took 24 minutes and $10.35 — roughly 80% cheaper and 4x faster, with reviewers judging Kimi's output better. "Opus 5.5 must be trembling," the author quips.
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