Using Kimi K3.1 Pro on Moonshot AI Kimi

Implementation guide · Kimi · Moonshot AI

Serverless

Moonshot AI Kimi exposes Kimi K3.1 Pro through model ID kimi-k3.1-pro. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-10-23. Next refresh: weekly.

Quick Start

1
Create an account at Moonshot AI Kimi and generate an API key.
2
Use the Moonshot AI Kimi SDK or REST API to call kimi-k3.1-pro — see the documentation for request format.
3
You'll be billed $2.00/1M input, $10.00/1M output tokens. See full pricing.

API Portal Documentation Pricing Model Card

Code Examples

See Moonshot AI Kimi documentation for integration details.

Pricing on Moonshot AI Kimi

Type	Price (per 1M)
Input tokens	$2.00
Output tokens	$10.00

Capabilities

VisionMultimodalReasoningJSON / Tool useStructured OutputsPrompt Caching

About Kimi K3.1 Pro

Kimi K3.1 Pro is the first model in Moonshot AI's K3.1 series, a post-trained version of Kimi K3. It has a 1,048,576-token context window, always-on reasoning with low, high and max effort, image and video input, tool calling and strict JSON Schema structured output. Released 2026-10-23 on Kimi.ai, Kimi Work, Kimi Code and the Kimi API; Moonshot says full weights will follow by 2026-11-04.

Full model details →

Model Specs

Released2026-10-23

Parameters2800B total; 104B active

Context1M

ArchitectureMixture of Experts

Moonshot AI

New York City, New York, United States