MODELS / MOONSHOT

Kimi K2 Instruct

Kimi K2 is a state-of-the-art mixture-of-experts (MoE) language model with 32 billion activated parameters and 1 trillion total parameters. Trained with the Muon optimizer, Kimi K2 achieves exceptional performance across frontier knowledge, reasoning, and coding tasks while…

TEXTTOOL-USE
131.1K
CONTEXT WINDOW
-
MAX OUTPUT TOKENS
$0.57
INPUT PRICE / 1M TOKENS
$2.30
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-k2",
    "messages": [{ "role": "user", "content": "Hello!" }],
    "stream": true
  }'
SPECIFICATIONS

The full spec sheet.

Context, pricing, modalities, routing, and deployment: everything Kimi K2 Instruct supports, in one table.

MODEL ID
blackboxai/moonshotai/kimi-k2
DEVELOPED BY
Moonshot
MODEL TYPE
Text
RELEASED
Jul 11, 2025
CONTEXT WINDOW
131.1K
MAX OUTPUT TOKENS
-
INPUT MODALITIES
text
OUTPUT MODALITIES
text
INPUT PRICE
$0.57 / 1M tokens
OUTPUT PRICE
$2.30 / 1M tokens
REASONING
Not supported
DATA RETENTION
Standard retention
DEDICATED DEPLOYMENT
Enterprise · single-tenant
SUPPORTED PARAMETERS
max_tokenstemperaturestoptoolstool_choice