How do I call kimi-k3-fast from my code?
Use the OpenAI or Anthropic SDK and point baseURL at https://synapse.garden/api/v1. Set model: ‘moonshotai/kimi-k3-fast’ and supply your Synapse Garden API key. No code changes beyond the base URL.
Moonshot AI · MultimodalReleased 2026-07-27
kimi-k3-fast
moonshotai/kimi-k3-fast idFast version of Kimi’s flagship model for long-horizon coding and end-to-end knowledge work, with a 1M-token context window.
ReasoningTool useChat
Type
Use kimi-k3-fast
# Drop-in OpenAI-compatible client$ import { generateText } from 'ai'$$ const { text } = await generateText({$ model: 'moonshotai/kimi-k3-fast',$ baseURL: 'https://synapse.garden/api/v1',$ apiKey: process.env.MG_KEY,$ prompt: 'Why is the sky blue?',$ })
1M
CONTEXT WINDOW131.1K
MAX OUTPUT$4.95/M
INPUT · PER M$24.75/M
OUTPUT · PER MPRICING
List prices, every modality.
| Rate | Per million tokens · USD |
|---|---|
| Input | $4.95/M |
| Output | $24.75/M |
| Cache read | $0.495/M |
Honest list pricesHow we calculate prices
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- Input$3.30/MOutput$16.50/MContext1M
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- Input$0.517/MOutput$2.20/MContext216.1K
- Input$0.627/MOutput$2.53/MContext131.1K
FAQ · KIMI-K3-FAST
Frequently asked
How much does kimi-k3-fast cost?
Input: $4.95/M per million tokens. Output: $24.75/M per million tokens. The free tier includes a million tokens every month at no cost.
What's the context window for kimi-k3-fast?
kimi-k3-fast supports a context window of 1M tokens, with a maximum output of 131.1K tokens.
Do I need a separate Anthropic or OpenAI account?
No. Synapse Garden is the single API surface — one key gives you OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, xAI, Cohere, and more. Billing, rate limits, and audit logs are unified.
READY
Try kimi-k3-fast in three minutes.
Sign up, create a key, drop our base URL into your existing client. The free tier includes a million tokens every month — no credit card.