DeepSeek V4.1 Flash
POST
/openai/v1/responses
DeepSeek V4.1 Flash API is an OpenAI Responses–compatible endpoint that accepts a plain string or a structured input array, thinks deeply by default, and supports function calling, image understanding, and structured JSON output.
Thinking
reasoning.effort and thinking.type do the same job, so you only need one of them.CAUTION
max_output_tokens, temperature and top_p are not supported on this model and have no effect.Tools & input
Request
Body Params application/jsonRequired
Responses
Request Request Example
Shell
JavaScript
Java
Swift
curl --location 'https://api.kie.ai/openai/v1/responses' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"model": "deepseek-v4-1-flash",
"stream": false,
"input": [
{
"role": "user",
"content": [
{
"type": "input_text",
"text": "What is in this image?"
},
{
"type": "input_image",
"image_url": "https://example.com/demo.png"
}
]
}
]
}'Response Response Example
200 - Success
{
"id": "resp_xxx",
"object": "response",
"created_at": 1790128600,
"model": "deepseek-v4-1-flash-260910",
"status": "completed",
"output": [
{
"type": "reasoning",
"id": "rs_xxx",
"status": "completed",
"summary": [
{
"type": "summary_text",
"text": "The user is asking what is in the image. It shows a cat sitting on a windowsill."
}
]
},
{
"type": "message",
"id": "msg_xxx",
"role": "assistant",
"status": "completed",
"content": [
{
"type": "output_text",
"text": "The image shows a cat sitting on a windowsill.",
"annotations": []
}
]
}
],
"usage": {
"input_tokens": 38,
"input_tokens_details": {
"cached_tokens": 0
},
"output_tokens": 36,
"output_tokens_details": {
"reasoning_tokens": 35
},
"total_tokens": 74
},
"credits_consumed": 0.01
}