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Kimi K3.1 Pro

Chat with Kimi K3.1 Pro on Aymo AI

Chat with Kimi K3.1 Pro online for long coding projects, financial research, and document work. Try it free on Aymo alongside multiple AI models.

Overview

AI Model Overview

Everything you need to know about this AI model, including capabilities, performance, pricing, and technical details.

Kimi K3.1 Pro

Kimi / Kimi K3.1 Pro

pro

Description

Kimi K3.1 Pro is Moonshot AI's flagship model and the first in its K3.1 series, released on October 23, 2026. Moonshot calls it its most capable open-weight model in the 3-trillion-parameter class.

Chat with it for long coding projects, financial research, and work across long reports or codebases. It reads images, reasons through problems before it answers, and holds a very large amount of context in view as you work.

It has no built-in web search on Aymo. For tasks that need current information, switch mid-thread to a model with web search, such as Grok 4.7.

About

Provider
Kimi K3.1 Pro
Kimi
Speed
Quality
Cost

Capabilities

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Why Kimi K3.1 Pro

Why Use Kimi K3.1 Pro?

Aymo gives you more than access to Kimi K3.1 Pro—it provides a complete multi-model AI workspace designed for productivity.

Long Coding Projects

Build, debug, and refactor code across a whole project. Moonshot built K3.1 Pro for long coding jobs that run over many steps.

Careful Reasoning

It thinks problems through before it answers, which helps with multi-step math, code, and analysis where a quick reply would miss details.

Long Documents

Paste in long reports, filings, or codebases and ask questions across all of it. It keeps a very large amount of context in view.

Financial Research

Work through company reports, build financial models, and draft investment notes. Moonshot reports large gains over Kimi K3 on its finance tests.

Factual Answers

Get answers with fewer invented details. Moonshot reports K3.1 Pro makes far fewer factual errors than Kimi K3 on its hardest accuracy test.

Image Understanding

Share a screenshot, chart, or diagram and ask it to explain what it shows or pull out the details you need.

Why Aymo

Why chat with Kimi K3.1 Pro on Aymo AI?

Aymo gives you more than access to Kimi K3.1 Pro—it provides a complete multi-model AI workspace designed for productivity.

Compare Responses

See how Kimi K3.1 Pro performs alongside Claude, Gemini, Grok, and other leading AI models.

One Workspace

Keep all your AI conversations, files, and prompts in a single organized workspace.

Switch Models Instantly

Move between different AI models without restarting your conversation.

Upload Once

Use the same files across multiple AI models without uploading them again.

Save & Organize

Bookmark important chats, organize projects, and return anytime.

Work Together

Share conversations and collaborate with teammates in one place.

How to Use Kimi K3.1 Pro Online Easily

Get started with Kimi K3.1 Pro immediately in three simple steps.

1

Write Your Prompt

Enter instructions or query in the chatbox input area at the top.

2

Toggle Options

Enable Web Search or DeepThink reasoning mode using composer buttons.

3

Get Instant Output

Press Enter to create the chat thread and receive your response.

Competitor

Kimi K3.1 Pro vs Claude Fable 5.2, Gemini 2.5 Flash-Lite, GPT-5 Nano, Grok Build 0.1 Alternatives and Competitors

Kimi K3.1 Pro

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Claude Fable 5.2

Kimi K3.1 Pro vs Claude Fable 5.2

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Gemini 2.5 Flash-Lite

Kimi K3.1 Pro vs Gemini 2.5 Flash-Lite

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GPT-5 Nano

Kimi K3.1 Pro vs GPT-5 Nano

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Grok Build 0.1

Kimi K3.1 Pro vs Grok Build 0.1

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FAQ

Frequently Asked Questions

Everything you need to know about using Kimi K3.1 Pro on Aymo AI.

Long coding projects, financial research, and work across long documents, where you want a strong open model that thinks before answering.

Yes. You can try Kimi K3.1 Pro on Aymo, with your first conversation covered by free credits. Higher limits come with paid plans.

Yes. Moonshot built it for long coding jobs and reports 65.7% on Terminal-Bench 4.0, just behind Claude Opus 5.5 at 66.4%. It also beat Kimi K3 on Moonshot's long-horizon coding test.

Select it from the model selector in any chat and send your prompt, with text or an image attached. It has no web search, so switch models mid-thread when you need current information.

No. It runs on your Aymo plan with no separate Moonshot AI account or API key needed.

K3.1 Pro is Moonshot's flagship for coding, finance, and document work, and it reads images. K2.7 Code is a text-only model tuned for long software projects. Use K3.1 Pro for broader work and K2.7 Code for focused coding.