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DeepSeek

Deepseek V4.1 Flash

Popular
inworld/models/deepseek-v4.1-flash

Deepseek V4.1 Flash is a reasoning model by DeepSeek with function calling, structured output — designed for complex, multi-step problem solving where accuracy matters more than speed. It supports a 131K token context window with up to 131K tokens of output. Priced at $0.16 per million input tokens and $1.2 per million output tokens, it is one of the most cost-efficient options in its class. Access Deepseek V4.1 Flash through Inworld LLM Inference with OpenAI SDK compatibility, built-in failover, and intelligent routing across providers.

Input
$0.16
Output
$1.20
Cache read
$0.006
Context
131.1K
Max output
131.1K
TextImage→Text
Function CallingReasoningStructured output
Run on your server. Set INWORLD_API_KEY to your API key. Python requires pip install openai; JavaScript requires Node.js 18+; save it as example.mjs.
curl --fail-with-body https://api.inworld.ai/v1/chat/completions \
  -H "Authorization: Basic $INWORLD_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "inworld/models/deepseek-v4.1-flash",
    "messages": [{"role": "user", "content": "Hello"}],
    "stream": true
  }'
Model Deepseek V4.1 FlashOpenAI SDK compatible

Pricing and providers

Access Deepseek V4.1 Flash through Inworld LLM Inference or speech to speech via Inworld. By using the providers below you agree to their terms, listed under each provider's name in the Legal section.

Modalities
InworldThis pageinworld/models/deepseek-v4.1-flash
$0.16$1.20$0.006—131.1K131.1K
TextImage→Text
Prices in USD per 1M tokens.

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