DeepSeekAvailable

DeepSeek V4.1 Flash

DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the deepseek-flash API model name.

Try in ewpiredeepseek/deepseek-v4.1-flash-1017

Opens in the ewpire workspace. Creating an account is free; runs are paid from your credits.

DeepSeek V4.1 Flash in plain words

DeepSeek V4.1 Flash is a text model from DeepSeek. It takes text and images as input and returns text. Its context window is 1,048,576 tokens. It costs 0.372353 credits per 1M input tokens and 1.489412 credits per 1M output tokens.

It is good at reasoning through multi-step problems and calling tools. It reads images as well as text. A context window of 1,048,576 tokens holds about 4,200,000 characters of English text, at 4 characters a token.

For example, a question of 2,000 tokens (about 8,000 characters) with an answer of 1,000 tokens (about 4,000 characters) costs 0.002235 credits. The exact charge follows the usage the model reports for your request.

Details

Made by: DeepSeek
Good at: ReasoningVisionTool use
Reads: Text, Images
Produces: Text
Context window: 1,048,576 tokens

Price

Input, per 1M tokens: 0.372353 credits
Output, per 1M tokens: 1.489412 credits

Charged per request from your credit balance. No subscription. See pricing

In the API – coming soon

API keys are not open yet. The docs show how to call this model with the OpenAI SDK or plain HTTP once they are. Read the docs

curl https://ewpire.com/api/v1/chat/completions \
  -H "Authorization: Bearer $EWPIRE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"deepseek/deepseek-v4.1-flash-1017","messages":[{"role":"user","content":"Hello!"}]}'

The docs show how to list the models the API serves, with their capabilities and prices, once API keys are open. Models in the docs

DeepSeek V4.1 Flash in plain words

Details

Price

In the API – coming soon

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