MoonshotAI: Kimi K3
moonshotai/kimi-k3Kimi K3 is Moonshot AI's flagship model, a 2.8-trillion-parameter open-weight mixture-of-experts model with native visual understanding and a 1M-token context. It is built on Kimi Delta Attention, a hybrid linear attention, plus Attention Residuals, and always runs in thinking mode with selectable effort. Moonshot positions it for long-horizon coding across large codebases and terminal tools, visual software tasks such as frontend and game work, and end-to-end knowledge work.
- Input price
- $2.70
$3.00USD / 1M tokens - Output price
- $13.50
$15.00USD / 1M tokens - Cache read
- $0.27
$0.30USD / 1M tokens - Cache write
- $2.70
$3.00USD / 1M tokens - Context window
- 1M
- Max output
- 131.1K
Specifications
- Input
- Text, image
- Output
- Text
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OpenAI-compatible endpoint with unified authentication and usage tracking.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/chat/completions" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "moonshotai/kimi-k3",
"messages": [
{
"role": "user",
"content": "Hello"
}
],
"max_tokens": 2048
}
SANDBASE_JSON
)
printf '%s\n' "$result"Questions
FAQ
How do I call Moonshot AI Kimi K3 through SandBase?
Create a SandBase API key, then send requests with the model ID "moonshotai/kimi-k3" to Chat Completions API (/v1/chat/completions) at https://api.sandbase.ai. The request examples on this page show the exact payload.
How much does Moonshot AI Kimi K3 cost?
$2.70 per 1M input tokens and $13.50 per 1M output tokens with the current 10% discount (list price $3 / $15), billed per request from your SandBase balance.
What is the context window of Moonshot AI Kimi K3?
1M tokens of context, with up to 131.1K output tokens per response.
Which features does Moonshot AI Kimi K3 support?
Moonshot AI Kimi K3 supports vision (image input), reasoning, function calling, structured output. See Specifications above for the full list.
Do I need a separate Moonshot AI account?
No. One SandBase API key and balance gives you access to Moonshot AI Kimi K3 and the other models in the catalog; you do not need to sign up with Moonshot AI separately.