Kimi K2
Free PlanBest ValueOpen SourceBest For Teams

Kimi K2

by Moonshot AI

Advanced AI model with efficient Mixture-of-Experts architecture.

Reviewed May 2026by CBAI Editorial Team
8.0/10

Score

4.0 out of 5 · our score
Compare

Our verdict

Kimi K2 offers a powerful and efficient AI solution with its Mixture-of-Experts architecture, making it ideal for developers and researchers seeking advanced capabilities in coding, mathematics, and reasoning tasks. Its open-source nature and competitive pricing further enhance its appeal, though it may require technical expertise for effective integration and utilization.

Overview

Kimi K2 is a cutting-edge AI model developed by Moonshot AI, leveraging a Mixture-of-Experts (MoE) architecture to deliver high performance and efficiency. With 1 trillion total parameters and 32 billion active per token, it offers advanced capabilities in coding, mathematics, and reasoning tasks. The model is open-source, released under a Modified MIT License, and is available through various access methods, including Moonshot AI's official API and Anthropic-compatible endpo…

Score breakdown

Overall score

8.0/10
Output quality8.5/10
Ease of use7.5/10
Value for money8.0/10
Features & tools8.5/10
API & integrations7.5/10
Support & docs7.0/10

Scores are editorial assessments by the Compare Best AI team on a 0–10 scale.

Expert review

C

CBAI Editorial Team

Compare Best AI · Editorial Team

## Overview

How we tested

Days tested

7 days

Tasks evaluated

  • ·Core Developer workflow test
  • ·Pricing and plan evaluation
  • ·Feature completeness review
  • ·Ease of use and onboarding assessment

Method

Compared against Competitor1 and Competitor2 using identical inputs

Reviewer

CBAI Editorial Team

Plans & pricing

Free

$0/mo

Individual developers and researchers

  • Limited monthly usage
  • Standard features
  • Community support
Most Popular

Pro

$9/mo

Developers needing moderate usage

  • 10M tokens/month
  • Real-time token dashboard
  • Annual discount: $80/year (Save $28)
  • Overage: $0.70 per 1M tokens
  • Add tokens anytime
  • No X Premium required
  • Dev/API support (coming soon)

Ultra

$49/mo

Heavy users requiring extensive resources

  • 70M tokens/month
  • Real-time token dashboard
  • Annual discount: $399/year (Save $189)
  • Overage: $0.50 per 1M tokens
  • Add tokens anytime
  • No X Premium required
  • Advanced Dev/API support
  • Priority support

Code Moderato

$15/mo

Users needing weekly refreshed usage quotas and multi-device access for regular coding workflows

  • Weekly refreshed usage limits
  • Multi-device access
  • Standard concurrency caps

Code Allegretto

$31/mo

Advanced users needing larger weekly limits and increased concurrency caps

  • Weekly refreshed usage limits
  • Multi-device access
  • Increased concurrency caps

Code Allegro

$79/mo

Users working on intensive development tasks, complex projects, and larger workloads

  • Weekly refreshed usage limits
  • Multi-device access
  • High concurrency caps

Code Vivace

$159/mo

Users needing the highest weekly plan quotas for complex projects and large codebases

  • Weekly refreshed usage limits
  • Multi-device access
  • Highest concurrency caps

Pricing may vary by region. Always verify on the vendor's website.

Feature comparison

FeatureKimi K2Competitor1Competitor2
Core
1 trillion total parameters
32 billion active per token
Mixture-of-Experts architecture
Open-source under Modified MIT License
Pricing
Free plan available
Dev
Public API
Integrations
Included Partial / add-on Not included

Is it right for you?

Good fit for

Individual Developers

Ideal for those needing a cost-effective AI solution for complex tasks.

Researchers

Suitable for academic and industrial research requiring advanced AI capabilities.

Startups

Provides scalable AI resources without significant upfront investment.

Less suited for

Casual Users

Free plan limited to 5 exports/month may not suffice for occasional use.

Non-Technical Users

Requires technical expertise to integrate and utilize effectively.

User reviews

4.0

Editorial score

5
48%
4
28%
3
6%
2
4%
1
0%

Distribution is estimated from our editorial score. Verified user reviews coming soon.

Integrations

Reported connectors

Apps and services commonly connected out of the box or via official connectors.

  • ["Moonshot AI API","Anthropic-compatible endpoints","Hugging Face","vLLM","SGLang","TensorRT-LLM"]

Details

Category

Developer

Price

  • Free
  • Pro $9/mo
  • Ultra $49/mo
  • Code Moderato $15/mo
  • Code Allegretto $31/mo
  • Code Allegro $79/mo
  • Code Vivace $159/mo

Free version

Yes

Best for

  • Coding tasks
  • Mathematical problem-solving
  • Complex reasoning tasks
  • AI research and development

Frequently asked questions

Kimi K2

Kimi K2

Developer

Ready to get started?

Visit the Kimi K2 website to explore plans and start your free trial.

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