Kimi K3 Pricing
Moonshot AI · Moonshot's 2026 flagship, released July 16. A 2.8-trillion-parameter open-weight
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Other Moonshot AI Models
Kimi K2.6Kimi K2.5Kimi K3 Pricing Context
Pricing position within Moonshot AI
Kimi K3 is the most expensive active model from Moonshot AI at $3.00/1M input — the premium tier. The cheapest sibling costs $0.56/1M (81% less). Reserve Kimi K3 for tasks where its capabilities justify the premium; route bulk traffic to cheaper siblings.
When Kimi K3 is worth the cost
Kimi K3 is deployed for problems that need structured thinking — math derivations, logic puzzles, scientific analysis, and multi-step research synthesis. The reasoning chain adds latency, so reserve it for tasks where a standard chat model produces shallow or incorrect answers. For routine Q&A and summarization, a cheaper sibling model is more cost-effective.
Cost vs sibling models
What makes Kimi K3 different from sibling models: compared to Kimi K2.6 ($2.10/1M cheaper, 128K vs 1M context (smaller)); Kimi K2.5 ($2.44/1M cheaper, 128K vs 1M context (smaller)). Choose Kimi K3 when step-by-step reasoning matters more than speed.
Real-world cost scenarios
Real-world deployments: math problem solving, scientific research synthesis, multi-step logical analysis, and structured decision support systems. Kimi K3 excels where standard chat models produce shallow answers — the reasoning chain catches edge cases that faster models miss.