Kimi K3 by Moonshot AI scores 90.6 out of 100 on the Neura Intelligence Index, ranking #6 among tracked AI models. This composite score is computed from 8 individual benchmarks across coding, math, reasoning, and language categories.

Kimi K3 costs $3/1M input tokens and $15/1M output tokens via API. At a typical 3:1 input-to-output ratio with 1M tokens/day usage, the estimated monthly cost is approximately $180.

Yes, Kimi K3 has open weights available under the unknown license. You can download and self-host the model.

Kimi K3 supports a context window of 1.0 million tokens, allowing it to process very long documents, codebases, and conversations in a single request.

Kimi K3 achieves its highest score on GPQA Diamond with a score of 93.5%. This benchmark evaluates 448 graduate-level science questions (biology, chemistry, physics) designed to be hard for non-experts.