Availability as of 2 Nov 2026
DeepSeek
DeepSeek V4.1 Flash
DeepSeek V4.1 Flash is an open-weight vision and language model for application builders. Writing and explaining code for development workflows.
deepseek-v4.1-flash- Input / output per 1M
- ₹7.50 / ₹52
- Hosting
- India‑hosted
- Context
- 262K
- Modalities
- text, image
What can I build with DeepSeek V4.1 Flash?
- Writing and explaining code for development workflows.
- Agent workflows that use model-supported tools.
- Working through questions that need multi-step reasoning.
- Understanding images alongside text prompts.
Plan the integration with the API quickstart, compare rupee pricing and explore applications for your team.
How do I make a request?
Use deepseek-v4.1-flash as the model ID with your IndicStack API key.
from openai import OpenAI
import os
client = OpenAI(
base_url="https://api.indicstack.ai/v1",
api_key=os.environ["INDICSTACK_API_KEY"],
)
response = client.chat.completions.create(
model="deepseek-v4.1-flash",
messages=[{"role": "user", "content": "Explain what an API is."}],
)
print(response.choices[0].message.content)
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.indicstack.ai/v1",
apiKey: process.env.INDICSTACK_API_KEY,
});
const response = await client.chat.completions.create({
model: "deepseek-v4.1-flash",
messages: [{ role: "user", content: "Explain what an API is." }],
});
console.log(response.choices[0].message.content);
curl https://api.indicstack.ai/v1/chat/completions \
-H "Authorization: Bearer $INDICSTACK_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek-v4.1-flash",
"messages": [{"role": "user", "content": "Explain what an API is."}]
}'
Questions about DeepSeek V4.1 Flash
Inputs, hosting and access for this model.
Discuss your requirementsWhich modalities does DeepSeek V4.1 Flash support?
DeepSeek V4.1 Flash supports text, image. Choose the request format appropriate to these inputs when planning your application.
Where is DeepSeek V4.1 Flash hosted?
DeepSeek V4.1 Flash is labelled India‑hosted, with inference on GPUs in India.
What is DeepSeek V4.1 Flash best suited for?
DeepSeek V4.1 Flash: Writing and explaining code for development workflows. Agent workflows that use model-supported tools. Working through questions that need multi-step reasoning. Understanding images alongside text prompts.
How much does DeepSeek V4.1 Flash cost?
DeepSeek V4.1 Flash costs ₹7.50 per 1M input tokens and ₹52 per 1M output tokens, before GST.
What is the served context for DeepSeek V4.1 Flash?
DeepSeek V4.1 Flash has a confirmed served 262K context window. Size requests to fit this served limit.
How do I call DeepSeek V4.1 Flash from my application?
Set the model field to deepseek-v4.1-flash with the IndicStack base URL and your API key. The code tabs on this page show requests for DeepSeek V4.1 Flash.
Build with DeepSeek V4.1 Flash.
Review the model capabilities and API integration before your first request.