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Particle-1

by Particle Ai
particle-ai/particle-1

Particle-1 is a text and image-input model by Particle Ai, available through the AgentSky API as particle-ai/particle-1 at $0.290125 per million input tokens and $1.1605 per million output tokens, with a 1M context window.

Particle-1 is a token-efficient agentic coding model from Particle AI, post-trained on DeepSeek V4.1 Flash.

Repo

Pricing

USD per million tokens, using your plan when signed in.
MeterPer 1M tokens
InputPrice: $0.290125
OutputPrice: $1.1605
Cache readPrice: $0.034815
Cache writePrice: $0.290125

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: "particle-ai/particle-1",
  messages: [{ role: "user", content: "Summarise this ticket." }],
});
console.log(completion.usage.cost); // USD, in the response

Questions