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DeepSeek V4.1 Flash 1017

by DeepSeek
deepseek/deepseek-v4.1-flash-1017

DeepSeek V4.1 Flash 1017 is a text and image-input model by DeepSeek, available through the AgentSky API as deepseek/deepseek-v4.1-flash-1017 at $0.34815 per million input tokens and $1.3926 per million output tokens, with a 1M context window.

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.

  1. Get an API key

  2. Send a request

    curl https://gateway.agentsky.dev/v1/chat/completions \
  -H "authorization: Bearer $AGENTSKY_API_KEY" \
  -H "content-type: application/json" \
  -d '{"model":"deepseek/deepseek-v4.1-flash-1017","messages":[{"role":"user","content":"In one sentence, what can you help me with?"}],"max_tokens":128}'

  3. Run it here, no terminal needed

    Billed to your balance: under $0.01.

  4. Or hand it to your agent

    Use DeepSeek V4.1 Flash 1017 through AgentSky.
Model id: deepseek/deepseek-v4.1-flash-1017
OpenAI-compatible base URL: https://gateway.agentsky.dev/v1 · Anthropic base URL: https://gateway.agentsky.dev
Docs: https://agentsky.dev/models/deepseek/deepseek-v4.1-flash-1017.md
Key: <your AgentSky API key>
SDK samples ↓API docs ↗

This model is available through the API. It is not currently offered as an agent’s reasoning model.

Pricing

USD per million tokens, using your plan when signed in.
MeterPer 1M tokens
InputPrice: $0.34815
OutputPrice: $1.3926
Cache readPrice: $0.006963
Cache writePrice: $0.34815

Every response carries its own cost. Balance and per-call records: /v1/credits and /v1/generation.

Use it

Point your client at the gateway and pass this model id. Nothing else changes.
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://gateway.agentsky.dev/v1",
  apiKey: process.env.AGENTSKY_API_KEY, // ast_…
});

const completion = await client.chat.completions.create({
  model: "deepseek/deepseek-v4.1-flash-1017",
  messages: [{ role: "user", content: "Summarise this ticket." }],
});
console.log(completion.usage.cost); // USD, in the response

Questions