# Kimi K3

> Kimi K3——月之暗面旗艦開源權重推理模型,100 萬 token 上下文。

Canonical: https://routemux.com/zh-Hant/moonshot/kimi-k3
Provider: Moonshot

## Key facts

| Field | Value |
| --- | --- |
| Model ID | moonshot/kimi-k3 |
| Official model ID | kimi-k3 |
| Context window | 1M |
| Max output | 131K |
| Input modalities | text, image |
| Output modalities | text |
| Capabilities | Vision, Reasoning, Tool Calling, Coding, Cache, Paid Cache Write, Normalize Openai Envelope |
| Upstream release | 2026-07-16 |
| Availability | available |

## Pricing

- RouteMux input: $0.9 per 1M tokens
- RouteMux output: $4.5 per 1M tokens
- Official input: $3 per 1M tokens
- Official output: $15 per 1M tokens
- Cache read: $0.09 per 1M tokens
- Cache write: $0.9 per 1M tokens
- Saving vs official: 70%
- Official price source: official_x0.3, verified 2026-09-23

Billing is prepaid wallet, charged per successful request only.

## API access

Base URL: https://api.routemux.com

Supported protocols:

- openai_chat
- openai_responses
- anthropic_messages