Model Library/Kimi K3.1 Pro
Kimi

Kimi K3.1 Pro

moonshotai/kimi-k3.1-pro
Kimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model and a post-trained successor to Kimi K3, with a 1M-token context window. It is built for long-horizon coding, 3D creation, financial research, and end-to-end agentic knowledge work, with native image and video understanding.

Features

Serverless API

Docs

moonshotai/kimi-k3.1-pro is available via Novita's serverless API, where you pay per token. There are several ways to call the API, including OpenAI-compatible endpoints with exceptional reasoning performance.

Available Serverless

Run queries immediately, pay only for usage

Input$2 / M Tokens
Cache Read$0.2 / M Tokens
Output$10 / M Tokens

Use the following code examples to integrate with our API:

1from openai import OpenAI
2
3client = OpenAI(
4    api_key="<Your API Key>",
5    base_url="https://api.novita.ai/openai"
6)
7
8response = client.chat.completions.create(
9    model="moonshotai/kimi-k3.1-pro",
10    messages=[
11        {"role": "system", "content": "You are a helpful assistant."},
12        {"role": "user", "content": "Hello, how are you?"}
13    ],
14    max_tokens=1048576,
15    temperature=0.7
16)
17
18print(response.choices[0].message.content)

Info

Provider
Moonshot AI
Quantization
-

Supported Functionality

Context Length
1M
Max Output
1M
Serverless
Supported
Function Calling
Supported
Structured Output
Supported
Reasoning
Supported
Anthropic API
Supported
Input Capabilities
text, image, video
Output Capabilities
text

Everything you need to build production AI.

200+ models, on-demand GPUs, and secure agent runtimes — unified under one API. Free to start, scales as you grow.