MODELS / MINIMAX

MiniMax-M3.1-Flash

MiniMax-M3.1-Flash is MiniMax’s multimodal M-series model for agent reasoning, tool use, coding, and long-context tasks. Fireworks serves the final weights with hybrid MXFP8 and NVFP4 expert precision, text and image inputs, structured outputs, and implicit prompt caching.

TEXTREASONINGIMPLICIT-CACHINGSTRUCTURED-OUTPUTTOOL-USEVISIONOPEN-WEIGHTS
1.0M
CONTEXT WINDOW
-
MAX OUTPUT TOKENS
$0.15
INPUT PRICE / 1M TOKENS
$0.6
OUTPUT PRICE / 1M TOKENS
QUICKSTART
PROTOCOL:
OPENAI COMPATIBLE
STREAMING:
SUPPORTED

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-m3.1-flash",
    "messages": [{ "role": "user", "content": "Hello!" }],
    "stream": true
  }'
SPECIFICATIONS
CONTEXT:
1.0M
PROVIDER:
MINIMAX
TYPE:
TEXT

The full spec sheet.

Context, pricing, modalities, routing, and deployment: everything MiniMax-M3.1-Flash supports, in one table.

MODEL ID
blackboxai/minimax/minimax-m3.1-flash
DEVELOPED BY
MiniMax
MODEL TYPE
Text
RELEASED
Oct 19, 2026
CONTEXT WINDOW
1.0M
MAX OUTPUT TOKENS
-
INPUT MODALITIES
text, image
OUTPUT MODALITIES
text
INPUT PRICE
$0.15 / 1M tokens
OUTPUT PRICE
$0.6 / 1M tokens
CACHE READ
$0.015 / 1M tokens
REASONING
Supported
DATA RETENTION
Standard retention
DEDICATED DEPLOYMENT
Enterprise · single-tenant
SUPPORTED PARAMETERS
max_tokenstemperaturestoptoolstool_choicereasoninginclude_reasoningresponse_formatstructured_outputs