Yenisei

Yenisei 100

The balanced everyday Yenisei model

Text

Images

Video

Tools

Type: Chat
Context: 1M tokens
Russian: high
Input price: 1,2 ₽ / 1M tokens
Output price: 5,2 ₽ / 1M tokens
Release date: August 2026

Start for free Try in the Playground

chat/completions

import OpenAI from "openai"
const client = new OpenAI({
  baseURL: "https://api.yenisei.ru/v1",
  apiKey: process.env.YENISEI_API_KEY,
})
const stream = await client.chat.completions.create({
  model: "yenisei-100",
  messages: [{ role: "user", content: "Hi!" }],
  stream: true,
})
for await (const chunk of stream) {
  process.stdout.write(chunk.choices[0]?.delta?.content ?? "")
}

About the model

Yenisei 100 is our everyday working model for cases where Max is more than you need but you still don't want to give up quality. It keeps a steady conversation, understands images and video, calls tools, and with a context of up to a million tokens there is no need to split long documents. It answers in Russian confidently and naturally. It is built for volume: chatbots, first-line support, content generation and agents, where consistency at scale matters more than maximum depth.