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DeepSeek V4.1 Flash

by DeepSeek
deepseek/deepseek-flash
30% off

DeepSeek V4.1 Flash is a text and image-input model by DeepSeek, available through the AgentSky API as deepseek/deepseek-flash at $0.21 per million input tokens and $0.84 per million output tokens, with a 1M context window.

DeepSeek V4.1 Flash, available through the canonical deepseek-flash model id.

Repo

Run DeepSeek V4.1 Flash with an agent

Each guide pairs this model with a compatible agent and opens the composer with both selected.

Pricing

USD per million tokens, using your plan when signed in.
MeterPer 1M tokens
InputOfficial price: $0.3Sale price: $0.21
OutputOfficial price: $1.20Sale price: $0.84
Cache readOfficial price: $0.006Sale price: $0.0042
Cache writeOfficial price: $0.3Sale price: $0.21

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-flash",
  messages: [{ role: "user", content: "Summarise this ticket." }],
});
console.log(completion.usage.cost); // USD, in the response

Questions