01.AI's flagship large language model with enhanced Mixture-of-Experts architecture. Ranked 6th on Chatbot Arena with particularly strong results in Chinese, Math, Coding, and Hard Prompts categories. Features advanced expert segmentation and optimized KV-caching.
Sorted by total cost (input + output per 1M tokens). Select a row to view provider details.
| Provider | Pricing (per 1M) | Rate limits | Regions | Health | Latency |
|---|---|---|---|---|---|
In: $0.99Out: $0.99 | 200 RPM / 800K TPM | us-east-1global | Healthy | 0ms |
Use this model via 01.AI with an OpenAI-compatible SDK.
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.01-ai.com/v1",
apiKey: process.env.01_AI_API_KEY,
});
const response = await client.chat.completions.create({
model: "yi-lightning",
messages: [
{ role: "user", content: "Hello!" }
],
});
console.log(response.choices[0].message.content);Using 01.AI API · OpenAI-compatible SDK
Every price recorded for this model, per provider. Prices are per 1M tokens in USD.
No price changes recorded since May 25, 2026.
| Date | Provider | Input | Output |
|---|---|---|---|
| May 25, 2026Listed · Current | 01.AI | $0.99 | $0.99 |