Moonshot AI Language

Kimi K2 Instruct

Open-source instruction model for coding and reasoning

Chat Context window

Text + Vision Modalities

General Specialty

Yes Streaming

Get API key — free View docs →

Model ID kimi-k2-instruct /v1/chat/completions

Our pricing

Input tokens per 1M tok

$0.400

Output tokens per 1M tok

$1.68

Pay-as-you-go · No minimums · Cancel anytime

OpenAI-compatible ( api.belugapi.com/v1)

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No credit card required to test

Capabilities

What Kimi K2 Instruct
can do for you.

Native API parity with the official provider — every feature surfaced one-to-one.

Streaming

Server-sent events out of the box

Vision

Analyze images, charts & documents

Reasoning

Deep chain-of-thought for hard tasks

Integration

2-line migration.
Zero friction.

BelugAPI is 100 % compatible with the OpenAI SDK. Point base_url to our endpoint and you're done — no refactoring, no learning curve.

Same request & response schema

Python · Node.js · REST · Go · Ruby

Streaming, tool-calling, structured output

Automatic failover & load balancing

Python

from openai import OpenAI

client = OpenAI(
  api_key=bel-your-key,
  base_url=https://api.belugapi.com/v1
)

response = client.chat.completions.create(
  model=kimi-k2-instruct,
  messages=[{"role": user, "content": Hello!}]
)
print(response.choices[0].message.content)

Node.js

import OpenAI from openai;

const client = new OpenAI({
  apiKey:  bel-your-key,
  baseURL: https://api.belugapi.com/v1,
});

const res = await client.chat.completions.create({
  model:    kimi-k2-instruct,
  messages: [{ role: user, content: Hello! }],
});
console.log(res.choices[0].message.content);

cURL

curl https://api.belugapi.com/v1/v1/chat/completions \
  -H Authorization: Bearer bel-your-key \
  -H Content-Type: application/json \
  -d {"model":"kimi-k2-instruct","messages":[{"role":"user","content":"Hello!"}]}

Highlights

Built for production.

Coding

Reasoning

Agents

Complete guide

Everything about
Kimi K2 Instruct.

Specifications, pricing, capabilities, and integration tips — kept up to date with every Moonshot AI release.

By Moonshot AI 2 min read Updated May 2026

Open-source instruction model for coding and reasoning

Overview

Kimi K2 Instruct is a cutting-edge large language model (llm) developed by Moonshot AI, designed to push the boundaries of artificial intelligence-powered content generation. Released as an open-source model, it empowers developers, researchers, and enterprises to build custom solutions without licensing restrictions.

This model excels in coding, reasoning, agents, making it a top choice for professionals seeking high-quality, scalable AI solutions. Whether you're building production applications, researching new AI capabilities, or creating stunning visual content, Kimi K2 Instruct delivers industry-leading performance and reliability.

Key Specifications

Specification	Details
Model Name	Kimi K2 Instruct
Provider	Moonshot AI
Category	Large Language Model (LLM)
Model Type	Chat
Context Window	256K

Pricing

Input: $0.4/M tokens
Output: $1.68/M tokens

Key Features & Capabilities

Coding: Advanced capability for professional-grade output.
Reasoning: Advanced capability for professional-grade output.
Agents: Advanced capability for professional-grade output.

Use Cases & Applications

Customer support chatbots
Content creation and writing assistants
Knowledge base Q&A systems
Educational tutoring platforms

Frequently asked questions

What is Kimi K2 Instruct best used for?

Kimi K2 Instruct excels at coding, reasoning, agents, making it ideal for professional and enterprise applications.

Who developed Kimi K2 Instruct?

Kimi K2 Instruct was developed by Moonshot AI, a leading AI research and development company.

How do I integrate Kimi K2 Instruct into my application?

You can integrate Kimi K2 Instruct via its official API endpoint using standard HTTP requests with your API key. SDKs are available for Python, JavaScript, and other languages.

What is the pricing model for Kimi K2 Instruct?

Pricing is based on input. Check the pricing section above for detailed rates.

Ready to ship? Start using Kimi K2 Instruct in under 30 seconds.

Get free API key