MODELS / ALIBABA

Qwen 3.8 Max

Qwen 3.8 Max is a 2.4-trillion-parameter MoE model delivering a comprehensive leap in coding and professional work. Autonomously codes and delivers complete projects spanning 10+ days. Handles hundreds of specialized tasks across legal, financial, design, and other professional…

TEXTREASONINGREASONINGTOOL-USEIMPLICIT-CACHINGVISION
1M
CONTEXT WINDOW
128K
MAX OUTPUT TOKENS
$2
INPUT PRICE / 1M TOKENS
$6
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/alibaba/qwen3.8-max",
    "messages": [{ "role": "user", "content": "Hello!" }],
    "stream": true
  }'
SPECIFICATIONS

The full spec sheet.

Context, pricing, modalities, routing, and deployment: everything Qwen 3.8 Max supports, in one table.

MODEL ID
blackboxai/alibaba/qwen3.8-max
DEVELOPED BY
Alibaba
MODEL TYPE
Text
RELEASED
Aug 2, 2026
CONTEXT WINDOW
1M
MAX OUTPUT TOKENS
128K
INPUT MODALITIES
text, image
OUTPUT MODALITIES
text
INPUT PRICE
$2 / 1M tokens
OUTPUT PRICE
$6 / 1M tokens
CACHE READ
$0.25 / 1M tokens
CACHE WRITE
$2.50 / 1M tokens
REASONING
Supported
DATA RETENTION
Standard retention
DEDICATED DEPLOYMENT
Not available (closed-weight model)
SUPPORTED PARAMETERS
max_tokenstemperaturestoptoolstool_choicereasoninginclude_reasoning