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Kimi K2 0905

Kimi K2 0905 is Moonshot AI's September 2025 K2 checkpoint, a refined release focused on agentic coding workflows with a context window of 262.1K tokens, available through AI Gateway via baseten, fireworks, groq, moonshotai.

index.ts
import { streamText } from 'ai'
const result = streamText({
model: 'moonshotai/kimi-k2-0905',
prompt: 'Why is the sky blue?'
})