Kimi K2

Kimi K2

Moonshot AI
Open R1

Open R1

Open R1
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+

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About

Kimi K2 is a state-of-the-art open source large language model series built on a mixture-of-experts (MoE) architecture, featuring 1 trillion total parameters and 32 billion activated parameters for task-specific efficiency. Trained with the Muon optimizer on over 15.5 trillion tokens and stabilized by MuonClip’s attention-logit clamping, it delivers exceptional performance in frontier knowledge, reasoning, mathematics, coding, and general agentic workflows. Moonshot AI provides two variants, Kimi-K2-Base for research-level fine-tuning and Kimi-K2-Instruct pre-trained for immediate chat and tool-driven interactions, enabling both custom development and drop-in agentic capabilities. Benchmarks show it outperforms leading open source peers and rivals top proprietary models in coding tasks and complex task breakdowns, while its 128 K-token context length, tool-calling API compatibility, and support for industry-standard inference engines.

About

Open R1 is a community-driven, open-source initiative aimed at replicating the advanced AI capabilities of DeepSeek-R1 through transparent methodologies. You can try Open R1 AI model or DeepSeek R1 free online chat on Open R1. The project offers a comprehensive implementation of DeepSeek-R1's reasoning-optimized training pipeline, including tools for GRPO training, SFT fine-tuning, and synthetic data generation, all under the MIT license. While the original training data remains proprietary, Open R1 provides the complete toolchain for users to develop and fine-tune their own models.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

AI researchers, developers and organizations seeking an open source, high-performance agentic intelligence model for advanced reasoning, coding and autonomous task execution

Audience

Developers, teams, researchers, general users

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

Free
Open source
Free Version
Free Trial

Pricing

Free
Open source
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Moonshot AI
Founded: 2023
China
moonshotai.github.io/Kimi-K2/

Company Information

Open R1
Founded: 2025
United Kingdom
open-r1.com

Alternatives

Claude Code

Claude Code

Anthropic

Alternatives

Phi-4-reasoning

Phi-4-reasoning

Microsoft
DeepSeek R1

DeepSeek R1

DeepSeek
Claude Opus 4.5

Claude Opus 4.5

Anthropic
Kimi K2 Thinking

Kimi K2 Thinking

Moonshot AI
DeepScaleR

DeepScaleR

Agentica Project
Kimi K3

Kimi K3

Moonshot AI
DeepCoder

DeepCoder

Agentica Project

Categories

Categories

Integrations

AiAssistWorks
Brokk
EaseMate AI
Kimi
NVIDIA TensorRT
Nebius Token Factory
Okara
OpenClaw
OpenCode
PenguinBot
PrivatClaw
Shiori
SiliconFlow
Simtheory
Use AI

Integrations

AiAssistWorks
Brokk
EaseMate AI
Kimi
NVIDIA TensorRT
Nebius Token Factory
Okara
OpenClaw
OpenCode
PenguinBot
PrivatClaw
Shiori
SiliconFlow
Simtheory
Use AI
Claim Kimi K2 and update features and information
Claim Kimi K2 and update features and information
Claim Open R1 and update features and information
Claim Open R1 and update features and information