MODELS / ALIBABA

Qwen 3.8 Flash Next

Qwen3.8-Flash-Next is Qwen’s experimental open-weight multimodal language model, pairing 125B parameters with just 6B activated for efficient reasoning and generation. With native 262K-token context extensible to 1M, vision support, and an architecture optimized for lower…

TEXTREASONINGREASONINGTOOL-USEIMPLICIT-CACHINGVISION
1.0M
CONTEXT WINDOW
-
MAX OUTPUT TOKENS
$0.12
INPUT PRICE / 1M TOKENS
$0.4
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-next",
    "messages": [{ "role": "user", "content": "Hello!" }],
    "stream": true
  }'
SPECIFICATIONS

The full spec sheet.

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

MODEL ID
blackboxai/alibaba/qwen3.8-flash-next
DEVELOPED BY
Alibaba
MODEL TYPE
Text
RELEASED
Aug 26, 2026
CONTEXT WINDOW
1.0M
MAX OUTPUT TOKENS
-
INPUT MODALITIES
text, image
OUTPUT MODALITIES
text
INPUT PRICE
$0.12 / 1M tokens
OUTPUT PRICE
$0.4 / 1M tokens
CACHE READ
$0.01 / 1M tokens
REASONING
Supported
DATA RETENTION
Standard retention
DEDICATED DEPLOYMENT
Enterprise · single-tenant
SUPPORTED PARAMETERS
max_tokenstemperaturestoptoolstool_choicereasoninginclude_reasoning