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Kimi K3 API: 2.8T Parameters at 1/3 the Cost of GPT-5

This story is from 2026-09-30. It is preserved in the archive; the latest stories are on the live feed.

Kimi K3 API: 2.8T Parameters at 1/3 the Cost of GPT-5 Moonshot AI's Kimi K3 landed in July 2026, and it's the first model this year that made me re-run my cost-per-task benchmarks. A 2.8T-parameter Mixture-of-Experts model with a 1M-token context window, priced at roughly a third of GPT-5.6 Sol on…

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  1. 2026-09-30 02:00 · DEV Community — AI
    Kimi K3 API: 2.8T Parameters at 1/3 the Cost of GPT-5

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