MODELS / MOONSHOT

Kimi K3

Kimi’s flagship model for long-horizon coding and end-to-end knowledge work, with a 1M-token context window.

TEXTREASONINGREASONINGTOOL-USEIMPLICIT-CACHINGFILE-INPUTVISIONVIDEO-INPUT
1M
CONTEXT WINDOW
131.1K
MAX OUTPUT TOKENS
$3
INPUT PRICE / 1M TOKENS
$15
OUTPUT PRICE / 1M TOKENS
QUICKSTART

Call it in one request.

OpenAI-compatible: change the base URL, and the setup is complete.

curl https://enterprise.blackbox.ai/v1/chat/completions \
  -H "Authorization: Bearer $BLACKBOX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "blackboxai/moonshotai/kimi-k3",
    "messages": [{ "role": "user", "content": "Hello!" }],
    "stream": true
  }'
SPECIFICATIONS

The full spec sheet.

Context, pricing, modalities, routing, and deployment: everything Kimi K3 supports, in one table.

MODEL ID
blackboxai/moonshotai/kimi-k3
DEVELOPED BY
Moonshot
MODEL TYPE
Text
RELEASED
Jul 16, 2026
CONTEXT WINDOW
1M
MAX OUTPUT TOKENS
131.1K
INPUT MODALITIES
text, image, pdf, video
OUTPUT MODALITIES
text
INPUT PRICE
$3 / 1M tokens
OUTPUT PRICE
$15 / 1M tokens
CACHE READ
$0.3 / 1M tokens
REASONING
Supported
DATA RETENTION
Standard retention
DEDICATED DEPLOYMENT
Enterprise · single-tenant
SUPPORTED PARAMETERS
max_tokensstoptoolstool_choicereasoninginclude_reasoning