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01.AIHosted on Luminet

Yi-Lightning 2

01-ai/yi-lightning-2

Try in Playground

Bilingual (EN/ZH) MoE optimised for low-latency chat. Refresh of Yi-Lightning with stronger reasoning.

Context window
32Ktokens
Input price
$0.08/ 1M tokens
Output price
$0.08/ 1M tokens
P50 latency
68ms

Quick start

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.luminet.ai/v1",
  apiKey: process.env.LUMINET_API_KEY,
});

const resp = await client.chat.completions.create({
  model: "01-ai/yi-lightning-2",
  messages: [{ role: "user", content: "Hello!" }],
});

Capabilities

text

Throughput: 620 tok/s · Released 2026-02