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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?'
})

Providers

Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.

Provider
Context
Latency
Throughput
Input
Output
Cache
Web Search
Per Query
Capabilities
ZDR
No Training
Release Date
Baseten
Legal:Terms
Privacy
131K
$0.60/M$2.50/M
09/05/2025
Fireworks
Legal:Terms
Privacy
256K
$0.60/M$2.50/M
09/05/2025
Groq
Legal:Terms
Privacy
262K
$1.00/M$3.00/M
Read:$0.5/M
Write:
09/05/2025
Moonshot AI
Legal:Terms
Privacy
256K
$0.60/M$2.50/M
09/05/2025