MODELS / ALIBABA

Qwen 3.8 Flash

Qwen3.8-Flash is Qwen’s fast, cost-efficient multimodal model, combining advanced reasoning and generation with a native 1M-token context window. Built for coding, agentic workflows, and visual understanding, it handles large codebases, long documents, charts, videos, and…

TEXTREASONINGREASONINGTOOL-USEIMPLICIT-CACHINGFILE-INPUTVISION
991K
CONTEXT WINDOW
128K
MAX OUTPUT TOKENS
$0.16
INPUT PRICE / 1M TOKENS
$0.47
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-flash",
    "messages": [{ "role": "user", "content": "Hello!" }],
    "stream": true
  }'
SPECIFICATIONS

The full spec sheet.

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

MODEL ID
blackboxai/alibaba/qwen3.8-flash
DEVELOPED BY
Alibaba
MODEL TYPE
Text
RELEASED
Aug 26, 2026
CONTEXT WINDOW
991K
MAX OUTPUT TOKENS
128K
INPUT MODALITIES
text, image, pdf
OUTPUT MODALITIES
text
INPUT PRICE
$0.16 / 1M tokens
OUTPUT PRICE
$0.47 / 1M tokens
CACHE READ
$0.016 / 1M tokens
CACHE WRITE
$0.2 / 1M tokens
REASONING
Supported
DATA RETENTION
Standard retention
DEDICATED DEPLOYMENT
Enterprise · single-tenant
SUPPORTED PARAMETERS
max_tokenstemperaturestoptoolstool_choicereasoninginclude_reasoning