Models / DeepSeek
DeepSeek

DeepSeek V3.1

deepseek/deepseek-chat-v3.1

DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...

Input
$0.273 / 1M tokens
Output
$1.027 / 1M tokens
Context
164K tokens

Capabilities

✓ Streaming✓ Tool / function calling✓ JSON / structured output○ Vision (image input)

Call this model

Pass deepseek/deepseek-chat-v3.1 as the model. Change only the base URL from your existing OpenAI SDK setup.

quickstart.sh
curl https://modeldatabase.com/v1/chat/completions \
  -H "Authorization: Bearer $MDB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek/deepseek-chat-v3.1",
    "messages": [{"role":"user","content":"Hello!"}]
  }'

Prices are final — the routing margin is already included. See the full pricing table or the API docs.