
choose Grok 4.6 for a cost-efficient hosted agent API; choose Kimi K3 for 1M context, open weights and infrastructure control.

Kimi K3 self-hosting needs 8+ GB300 or MI350X/MI355X GPUs and about 1.56 TB of weights. Compare API pricing, license terms, and break-even costs.

Learn how to use the Kimi K3 API through CometAPI. Includes setup, pricing, streaming, thinking effort, vision input etc.