MODELS / MINIMAX

MiniMax M2.1

MiniMax 2.1 is MiniMax's latest model, optimized specifically for robustness in coding, tool use, instruction following, and long-horizon planning.

TEXTREASONINGREASONINGTOOL-USEIMPLICIT-CACHING
204.8K
CONTEXT WINDOW
131.1K
MAX OUTPUT TOKENS
$0.3
INPUT PRICE / 1M TOKENS
$1.20
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/minimax/minimax-m2.1",
    "messages": [{ "role": "user", "content": "Hello!" }],
    "stream": true
  }'
SPECIFICATIONS

The full spec sheet.

Context, pricing, modalities, routing, and deployment: everything MiniMax M2.1 supports, in one table.

MODEL ID
blackboxai/minimax/minimax-m2.1
DEVELOPED BY
MiniMax
MODEL TYPE
Text
RELEASED
Dec 23, 2025
CONTEXT WINDOW
204.8K
MAX OUTPUT TOKENS
131.1K
INPUT MODALITIES
text
OUTPUT MODALITIES
text
INPUT PRICE
$0.3 / 1M tokens
OUTPUT PRICE
$1.20 / 1M tokens
CACHE READ
$0.03 / 1M tokens
CACHE WRITE
$0.375 / 1M tokens
REASONING
Supported
DATA RETENTION
Standard retention
DEDICATED DEPLOYMENT
Not available (closed-weight model)
SUPPORTED PARAMETERS
max_tokenstemperaturestoptoolstool_choicereasoninginclude_reasoning