DeepSeek V4.1 Flash

Real-Time Prices

Unit: USD per 1 million tokens (USD per 1M tokens). Prices are provided in real time by the gateway and settled based on actual token usage; usage that has already occurred is recorded at the price at the time it occurred and is not retroactively adjusted for price changes.

Requests that fail and do not generate upstream output are not billed.View Plans and Pricing

Specifications and Capabilities

• Stream OutputSSE returns results token by token, making it suitable for conversational interactionsSupport
• Tool CallsFunction calls / tool usageSupport
• Visual InputThis model does not support this capability.Not supported
• Reasoning PatternsReasoning output that supports longer chains of thoughtSupport
• JSON OutputThis model does not support this capability.Not supported

How to Call

Base URL: https://api.admesh.ai/v1, model name: deepseek/deepseek-v4.1-flash. Compatible with the OpenAI SDK and any client that supports custom Base URLs.

curl https://api.admesh.ai/v1/chat/completions \
  -H "Authorization: Bearer $ADMESH_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek/deepseek-v4.1-flash",
    "messages": [{"role": "user", "content": "Hello"}],
    "stream": true
  }'

Note: The model name used in API calls is deepseek/deepseek-v4.1-flash (with a slash), not the hyphenated form found in this page's URL. View the developer documentation

Other models from DeepSeek

Models from the same company share the same access method; to switch between them, simply change the "model" field.

View All Plans and Rates