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Source-backed analysis9

Review basis

Research-based review: the AppDuo Editorial Team compiled it from official pages, documentation, app stores, press and user feedback, without hands-on testing. Every claim links to a source with the date it was checked.

9 reference sources

Information updated Nov 10, 2026

How we review
Kimi logo

Kimi Review

Moonshot AI's chatbot and agent, built around long context, coding and multi-step tasks

Editorial Team6.6/10Write the first review

By Official AppDuo editorial team · Updated

  • Web
  • iOS
  • Android
  • API
Freemium · $19.00/mo
Visit Kimi
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Decide at a glance

Our verdict

Kimi suits people who want an AI assistant with agents, Deep Research and slide or website generation, especially for long documents or coding. The trade-offs are data stored on servers in mainland China, a training opt-out that requires emailing support, and a 1.6/5 Trustpilot score with complaints about limits and billing.

Best for: People working with long documents, coding or research who want multi-step agents

Skip it if: Anyone unwilling to have data stored in mainland China or who needs a no-training switch in the app itself

Pros

  • Web, iOS and Android apps plus an API and Kimi Code for developers
  • A broad agent toolset: Deep Research, slides, docs, sheets, 3D, scheduled tasks and Swarm
  • Public prices and per-plan limits from Free to Ultra

Cons

  • Data stored on servers in mainland China and usable for training unless you request an opt-out
  • Trustpilot score is 1.6/5 from 41 reviews, citing limits, cancellation and refunds (Trustpilot does not verify reviews)
All pros and cons · Who is it for?

Pros

  • Rapid model cadence: K2 (July 2025), K2.5 (January 2026), K3 (July 2026) and K3.1 Pro (October 2026)

Cons

  • Top tiers are costly: Max is $99 and Ultra $199 per month
  • The full privacy agreement is available mainly in Chinese

Best for

  • People who want to use the Free plan for a while before deciding whether to pay

Skip it if

  • Heavy users who need predictable limits and responsive support, since Trustpilot reviewers complain about both

Problems it solves

Experience & key features

What Kimi is

Kimi is the AI assistant from Moonshot AI, a Chinese company founded in March 2023. According to Wikipedia it opened a closed beta in October 2023 and went public on 16 November 2023. It is available on the web (kimi.com), iOS and Android, and the App Store listing shows 16 interface languages, including Vietnamese.

Key features

The homepage lists chat, projects, scheduled tasks, Deep Research, slides, docs, sheets, 3D Make and plugins. The pricing page adds Swarm (parallel agents), a Goal mode where agents work until the job is done, Kimi Code and Kimi Claw. Per TestingCatalog, K2.5 launched on 27 January 2026 with up to 100 sub-agents in Swarm; Wikipedia lists K3 in July 2026 and K3.1 Pro in October 2026.

Pricing and value

The pricing page lists five plans: Free, Plus ($19/month, or $15 billed yearly), Pro ($39 and $31), Max ($99 and $79) and Ultra ($199 and $159). Higher tiers add agent credits (2x to 10x), more project storage and 1M-token conversations from Max upward. Many Trustpilot reviews complain that quotas run out quickly and cancelling is hard, though these are user claims Trustpilot does not verify.

More analysis

Privacy and alternatives

Data is stored on servers in mainland China and may be used for training unless users email an opt-out request. Those wanting a general assistant can compare ChatGPT, Claude or DeepSeek; Qwen Chat and Z.ai are also from Chinese companies. They differ in price, data policy and agent tooling, so compare directly before choosing.

Plans & pricing

Prices last verified Nov 10, 2026

Free

Personal

Free

1 concurrent agent task, 2 scheduled tasks and 2 projects with 500 MB storage. No Swarm, Kimi Code or premium plugins.

Plus

Personal

$19/mo/user

$15/mo billed yearly

$19/month billed monthly or $15/month billed annually ($180/year). More agent credits, Deep Research, 3D modeling, website deployment and Kimi Code; 2 concurrent agent tasks, 10 scheduled tasks, 20 projects with 20 GB and up to 2 Swarm subtasks.

Pro

Personal

$39/mo/user

$31/mo billed yearly

$39/month, or $31/month billed annually ($372/year). 2x agent credits, K3.1 Pro Highspeed, Goal mode and Kimi Claw; 15 scheduled tasks and up to 4 Swarm subtasks.

Max

Personal

$99/mo/user

$79/mo billed yearly

$99/month, or $79/month billed annually ($948/year). 5x agent credits, conversations up to 1M tokens, 4 concurrent agent tasks, 20 scheduled tasks and 100 projects with 50 GB.

Ultra

Personal

$199/mo/user

$159/mo billed yearly

$199/month, or $159/month billed annually ($1,908/year). 10x agent credits and 25 scheduled tasks; other limits match Max.

Free plan limits
Per the plan comparison on the pricing page, Free allows 1 concurrent agent task, 2 scheduled tasks and 2 projects with 500 MB.
Free trial
No free trial
Cancellation & refunds

The help center has a Membership section on plans, billing and invoices, but this research found no specific refund terms. The pricing page lists [email protected] for questions about plan benefits.

Privacy

Kimi's Data Usage and Sharing page says data is stored on servers in mainland China. The company may use your input, instructions and generated responses for model training once encrypted and de-identified. Opting out means emailing customer support; the page says this is done within 5–7 working days after identity verification and applies to the whole account, not per conversation. Enterprise data on Kimi Business is excluded from training. The page gives no retention period. The Chinese-language privacy agreement (updated 19 December 2024) says the app collects device information through third-party SDKs. These are the vendor's own statements; this research found no independent audit.

Official pricing page

Kimi alternatives

ChatGPT logo7.5/10

ChatGPT

OpenAI's flagship AI assistant for writing, research, coding, images and voice

Freemium
Claude logo7.4/10

Claude

Anthropic's AI assistant, strong for coding and writing, with tight usage limits

Freemium
All alternatives

Frequently asked questions

Is Kimi free?

Yes, there is a Free plan: 1 concurrent agent task, 2 scheduled tasks and 2 projects with 500 MB. Paid plans start at Plus, $19/month or $15/month billed yearly.

Where does Kimi store my data?

The Data Usage and Sharing page says data is stored on servers located within mainland China.

How do I stop Kimi training on my data?

Email customer support. The vendor says it completes the request within 5–7 working days after identity verification, applied account-wide rather than per conversation.

Does Kimi have a mobile app?

Yes. The App Store lists a Kimi app from Moonshot AI rated 4.7/5 from about 5,400 ratings, and the vendor also offers an Android app.

Review evidence & sources9

Scores

Ease of use
7.4
Why this score

A familiar chat interface with a language selector and shortcuts for slides, docs and Deep Research. The number of agent features and bespoke names (Swarm, Goal, Claw) can overwhelm newcomers.

Features
8.0
Why this score

Agents, Deep Research, slides, docs, sheets, 3D, websites, scheduled tasks, Kimi Code and an API, with a steady model cadence per Wikipedia and tech press.

Value for money
6.8
Why this score

A Free plan and Plus from $15/month billed yearly, but upper tiers jump to $79–$159/month and Trustpilot reviewers say quotas run out quickly.

Performance
7.2
Why this score

The vendor lists 1M-token context for K3 and priority queues on paid plans. However, the pricing page itself warns K3.1 Pro requests may queue or fail at launch, and some Trustpilot reviewers report API failures. No independent benchmark was found.

Support
5.2
Why this score

A multi-section help center, [email protected] for plan issues and a support email for training opt-outs. No chat or phone was found, and Trustpilot reviewers describe support as slow and unhelpful.

Privacy & security
4.8
Why this score

Data sits in mainland China and may be used for training unless you email an opt-out request; there is no in-app toggle, no retention period, and the app collects device data through third-party SDKs. A documented opt-out and a training exclusion for Kimi Business are positives.

What users say

Sources

Specs & compatibility
Developer
Moonshot AI
Headquarters
China
Launched
2023
Category
AI

Capabilities

  • AI features
  • Public API
  • Mobile app
  • Integrations

Platforms

  • Web
  • iOS
  • Android
  • API

Interface languages

  • Chinese
  • English
  • Vietnamese
  • Japanese
  • Korean
  • French
  • German
  • Spanish
  • Portuguese
  • Russian
  • Thai
  • Indonesian

Integrations

  • Kimi Code
  • Kimi API
  • Plugins

Support

  • Help center
  • Email

Change history

  1. Feature.K3.1 Pro launched with upgrades to coding and agentic tasks.
  2. Feature.Wikipedia lists K3 (1M-token context) in July 2026, with weights released on 27 July under a custom license.
  3. Feature.Kimi K2.5 launched with Agent Swarm, up to 100 parallel sub-agents.
Full change history (5)
  1. Feature.Moonshot AI announced Kimi K2, an open-source model with 1 trillion parameters (32B active).
  2. Launch.Kimi opened to the public after a closed beta that began in October 2023.
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