Language modelLiveFeatured
V4.1 FlashDeepSeek V4.1 Flash
DeepSeek V4.1 Flash API for multimodal reasoning, image input, and seven thinking-effort levels through a Responses-compatible endpoint.
Text · image input
Official token rates
LiveDeepSeek · language models3 models
DeepSeek API — V4 Flash, V4.1 Flash & V4 Pro
Access DeepSeek V4 Flash, V4.1 Flash, and V4 Pro through Muapi with one API key and a consistent request and result flow.Choose V4.1 Flash for multimodal reasoning, image understanding, streaming, and adjustable thinking effort. Compare the family in the playground and pay according to the selected model's token usage.
DeepSeek V4.1 Flash
Multimodal reasoning with image input and configurable thinking1 modelsTry Model
DeepSeek V4 Flash
Fast V4 generation for everyday tasks1 modelsLanguage modelLive
V4 FlashDeepSeek V4 Flash
DeepSeek V4 Flash API for fast text generation and image-aware prompts through Muapi's unified API.
Text generation
Pay per token
DeepSeek V4 Pro
The Pro model in the V4 family1 modelsLanguage modelLive
V4 ProDeepSeek V4 Pro
DeepSeek V4 Pro API for applications that prioritize model capability across the V4 family.
Text generation
Pay per token
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What is the DeepSeek API?
The DeepSeek API family on Muapi brings V4 Flash, V4.1 Flash, and V4 Pro into one model catalog. Submit a request with your Muapi API key, then retrieve its result through the shared prediction endpoint or use the available streaming endpoint.
DeepSeek V4.1 Flash supports text and image input, Responses-style function calling, structured JSON output, and reasoning effort from none through max. Omit reasoning_effort to use the provider's default. Built-in web search is not supported by this model.
DeepSeek API capabilities
Compare V4 models
Choose V4 Flash, V4.1 Flash, or V4 Pro from a single family catalog.
Multimodal V4.1 Flash
Send text prompts with an optional publicly accessible image URL.
Adjust thinking effort
Set reasoning_effort to none, minimal, low, medium, high, xhigh, or max; omit it to use the model default.
Stream or poll
Use the streaming route for live output or submit and poll for an asynchronous result.
DeepSeek API use cases
Reasoning and coding
Use a V4 model for analysis, coding assistance, and multi-step tasks.
Image understanding
Send a public image URL to V4.1 Flash alongside a text instruction.
Model evaluation
Compare Flash and Pro variants by changing the endpoint while keeping the same Muapi account.
Quick start — DeepSeek V4.1 Flash API
Submit a prompt to the V4.1 Flash endpoint, save the request ID, then poll for the generated text. The same endpoint supports optional image_url and reasoning_effort fields.
1. Submit a text request
curl -X POST https://api.muapi.ai/api/v1/deepseek-v4-1-flash \
-H "x-api-key: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"prompt":"Explain how a mixture-of-experts model routes tokens","reasoning_effort":"medium"}'
# Response: {"request_id":"REQUEST_ID"}Use reasoning_effort to choose a supported thinking level, or omit it for the model default.
2. Send an image
curl -X POST https://api.muapi.ai/api/v1/deepseek-v4-1-flash \
-H "x-api-key: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"prompt":"Describe the chart and summarize its trend","image_url":"https://example.com/chart.png"}'Provide a publicly reachable image URL with a question about its contents.
3. Poll for the result
curl https://api.muapi.ai/api/v1/predictions/REQUEST_ID/result \ -H "x-api-key: YOUR_API_KEY"
Read the generated response from the completed prediction.
DeepSeek API FAQ
Which DeepSeek models are available?
The family page lists DeepSeek V4 Flash, V4.1 Flash, and V4 Pro. Open a model card to see its parameters and try it in the playground.
Does DeepSeek V4.1 Flash accept images?
Yes. Include a publicly reachable image URL in image_url with a text prompt.
How do I turn off thinking?
Set reasoning_effort to none or minimal. The endpoint also accepts low, medium, high, xhigh, and max.
How is V4.1 Flash priced?
It uses DeepSeek's official token rates. Off-peak rates are $0.15 per million uncached input tokens, $0.003 per million cached input tokens, and $0.60 per million output tokens. Weekday peak periods in UTC are charged at twice those rates. Muapi applies a $0.0001 minimum charge per request.
Does V4.1 Flash support web search?
No. Built-in web_search tools are ignored by the provider.
Try DeepSeek V4.1 Flash →Open the multimodal model playground and inspect its accepted inputs.Compare LLM models →Browse language models across providers in the Muapi playground.View DeepSeek provider models →See DeepSeek model availability and endpoints.Read the API docs →Learn Muapi authentication and the request lifecycle.
Build with DeepSeek on Muapi
Use one API key to compare DeepSeek V4 models and connect them to your application.