Kimi K3

Kimi K3 is Moonshot AI's flagship model for coding, reasoning and knowledge work, with a 1-million-token context window and native vision across Kimi.com, Kimi Work, Kimi Code and the Kimi API.

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Overview

Kimi K3 is Moonshot AI's flagship model for coding, reasoning, and knowledge work. The blog describes it as a 2.8T-parameter model with native vision capabilities and a 1-million-token context window, and calls it the world's first open 3T-class model.

The surrounding product pages show Kimi K3 deployed across Kimi.com, Kimi Work, Kimi Code, and the Kimi API. Kimi Work adds desktop automation for local files, browser tasks, and scheduled execution, while Kimi Code focuses on terminal and CLI-based development workflows.

Core capabilities

Large-context model with native vision

Kimi K3 is presented as a 2.8T-parameter model with native vision capabilities and a 1-million-token context window, aimed at long-horizon coding, knowledge work, and reasoning.

Long-horizon coding support

The blog says Kimi K3 can sustain long engineering sessions, navigate massive repositories, orchestrate terminal tools, and work with screenshots and visuals during software and game development tasks.

Desktop workflow automation

Kimi Work mounts local folders, runs Python code in the background, and operates as a desktop agent for workflows that involve files, browser automation, and scheduled tasks.

Browser automation with WebBridge

WebBridge lets Kimi browse across tabs, extract data, and execute multi-step web tasks while the user provides the goal and Kimi handles the interaction steps.

Multi-agent task coordination

The product describes an agent swarm approach that coordinates multiple specialized agents and can turn research output into PowerPoint decks or Excel sheets.

Cross-surface availability

The pricing page and blog indicate Kimi K3 is available across Kimi.com, Kimi Work, Kimi Code, and the Kimi API, with Kimi Code exposing CLI-based developer workflows.

Practical use cases

Agentic software development
Use Kimi K3 for large codebases, long engineering sessions, terminal orchestration, and tasks that benefit from reading screenshots or visuals while iterating on software.
Desktop knowledge work automation
Use Kimi Work when a task spans local folders, browser research, Python execution, and scheduled runs, such as collecting files, summarizing them, and producing a report.
Web research and data extraction
Use the browser automation workflow to collect information from websites, navigate tabs, and summarize or export the results without manually handling each page.
Research synthesis into office outputs
Use the multi-agent workflow to split complex research into parallel sub-tasks and convert the outcome into presentation or spreadsheet deliverables.
CLI-based developer workflows
Use the Kimi Code CLI for terminal-oriented development tasks where an agent needs to fit into an existing developer workflow and support code generation or debugging.

Pros and Cons

Pros

Supports very long context, with a 1-million-token window.
Includes native vision, which the blog ties to screenshot-based and visual workflows.
Covers both coding and knowledge-work scenarios across web, desktop, CLI, and API surfaces.
Kimi Work adds local-file access, browser automation, and scheduled tasks for hands-on workflows.
The product pages show built-in support for generating outputs such as PowerPoint decks and Excel sheets from research.

Cons

The blog notes that Kimi K3 still trails the most powerful proprietary models overall.
The page says low- and high-effort modes are planned for a later update, so launch behavior is limited to max thinking effort by default.
Some product details are incomplete on the reviewed pages, especially for pricing structure and integrations outside the surfaces shown.

FAQ

How is Kimi Work different from the web version?

Kimi Work is a desktop local agent for deeper workflows, while the web app is described as better for quick chat and queries. Kimi Work mounts local folders, navigates the web autonomously with WebBridge, runs Python code in the background, and executes scheduled tasks.

How does Kimi Work handle access to local files?

The product says it uses an Ask before acting safeguard. Kimi will prompt for explicit authorization before it modifies, overwrites, or runs code within local directories.

What can WebBridge do?

WebBridge is described as browser automation that can use a browser like a human: it can click, scroll, browse across tabs, extract data, and carry out multi-step web tasks from a prompt.

What can I do with Scheduled Tasks?

Scheduled Tasks are handled by a built-in Cron scheduler that supports LLM Agent calls, Python/Shell executions, and more. Tasks can run daily, hourly, or conditionally, and the product notes a Keep Computer Awake option for overnight execution.

Where can I use Kimi K3?

The page states that Kimi K3 is available today on Kimi.com, Kimi Work, Kimi Code, and the Kimi API. The browser-selected pages also show Windows and macOS download options for Kimi Work, with macOS labeled for Apple silicon.

Quick Facts

Product category: AI model and productivity platform
Primary surfaces: Kimi.com, Kimi Work, Kimi Code, Kimi API
Model context window: 1 million tokens
Model size: 2.8T parameters
Platform notes: Kimi Work downloads for Windows and macOS (Apple silicon)

Analysen zu Kimi K3

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Traffic & Rankings

Monatliche Besuche: 39,5 Mio.
Durchschn. Besuchsdauer: 08:08
Seiten pro Besuch: 3.97

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