---
title: "Kimi K3 — LLM-TEST.com"
url: /models/kimi-k3/
canonical_url: https://llm-test.com/models/kimi-k3/
language: en
type: model
summary: "Moonshot AI's agentic flagship, built for long-horizon tool use and very long context, with open weights under a Modified MIT license. A leading open model for autonomous, multi-step work."
last_updated: "2026-11-05"
---

# Kimi K3

_Moonshot AI · Flagship · open weights_

Moonshot AI's agentic flagship, built for long-horizon tool use and very long context, with open weights under a Modified MIT license. A leading open model for autonomous, multi-step work.

## At a glance

- Released: Sep 30, 2026
- Provider: Moonshot AI
- Context window: 512,000 tokens
- Max output: 64,000 tokens
- Modalities: Text + image → text
- Knowledge cutoff: June 2026
- API model ID: `kimi-k3`
- License: Modified MIT

## Pricing

- Standard: $2.50 input / $14 output per 1M tokens (aggregator estimate)
- Example: a 1,500-token prompt + 650-token answer ≈ $0.013 (standard)

## What's new vs Kimi K2.6 (July 2026)

- Stronger agentic planning and longer context than K2.6
- Higher price and heavier serving requirements

## Best use cases

- **Autonomous agents** — Executes long chains of tool calls while tracking goals and state.
- **Long-document work** — Reasons over very large codebases and document sets in one pass.
- **Open self-hosting** — Can be deployed privately under its permissive license.

## Strengths

- Strong agentic behavior
- Very long context
- Open weights

## Limitations

- Premium pricing for an open model
- Resource-intensive to self-host

## Where to get access

- Consumer app: Kimi (web, mobile) — https://kimi.com
- API: the Moonshot AI Platform — https://platform.moonshot.ai
- Also available: open weights on Hugging Face
- Docs: https://platform.moonshot.ai/docs

Full comparison and live pricing: https://llm-test.com/ · directory: https://llm-test.com/models/