KAT-Coder-Pro V2

KAT-Coder-Pro V2

StreamLake
Laguna XS.2

Laguna XS.2

Poolside
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About

KAT-Coder is an agentic AI coding system designed to go beyond traditional autocomplete tools by enabling end-to-end software development workflows driven by reasoning, planning, and execution. It is positioned as a flagship coding model within the KAT ecosystem, built specifically for “agentic coding,” where the model does not just generate snippets but can diagnose issues, propose fixes, run tests, and iterate across multiple files as part of a continuous development loop. It integrates directly with developer environments through API endpoints and proxy layers compatible with tools like Claude Code, allowing seamless use inside existing IDE workflows without changing the interface developers are already familiar with. KAT-Coder is trained using a multi-stage pipeline that includes supervised fine-tuning and large-scale reinforcement learning, enabling it to understand programming context, and reason over complex tasks.

About

Laguna XS.2 is Poolside’s open-weight agentic coding model, built as the lightest and fastest model in the Laguna family. It is a 33B total-parameter Mixture of Experts model with 3B activated parameters, trained completely in-house on 30T tokens. As Poolside’s newest generation model open to the community, Laguna XS.2 is a second-generation architecture and the company’s first open-weight model, built on the lessons learned from training Laguna M.1 across synthetic data and reinforcement learning. The model is designed for agentic coding workflows, where it can code, act, iterate quickly, and perform best inside Poolside’s coding agent. Laguna XS.2 is positioned as a strong model for rapid agentic iteration, especially for developers and teams that need a compact, efficient coding model rather than a heavier frontier system. It is released under an Apache 2.0 license, allowing the community to evaluate, fine-tune, quantize, serve, and build on the weights.

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

Software developers and engineering teams who need an AI agent capable of handling end-to-end coding tasks, from debugging and refactoring to multi-file implementation within real development environments

Audience

AI developers, coding-agent builders, and teams who need a fast model for agentic coding, rapid iteration, fine-tuning, quantization, and API-based development workflows

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

Pricing

$0.30 per month
Free Version
Free Trial

Pricing

Free
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

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

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

StreamLake
United States
www.streamlake.ai/product/kat-coder

Company Information

Poolside
Founded: 2023
United States
www.poolside.ai/models

Alternatives

Alternatives

DeepCoder

DeepCoder

Agentica Project
Devstral Small 2

Devstral Small 2

Mistral AI
DeepSWE

DeepSWE

Agentica Project
Laguna M.1

Laguna M.1

Poolside
Claude Opus 4.8

Claude Opus 4.8

Anthropic
Poolside

Poolside

Poolside.ai

Categories

Categories

Integrations

OpenClaw
Agent Client Protocol (ACP)
Claude
Claude Code
Cline
Hermes Agent
Hugging Face
IntelliJ IDEA
Kilo Code
MiniMax
Ollama
OpenAI
OpenAI Codex
OpenCode
OpenRouter
Poolside
Roo Code
Visual Studio
Visual Studio Code
Zed

Integrations

OpenClaw
Agent Client Protocol (ACP)
Claude
Claude Code
Cline
Hermes Agent
Hugging Face
IntelliJ IDEA
Kilo Code
MiniMax
Ollama
OpenAI
OpenAI Codex
OpenCode
OpenRouter
Poolside
Roo Code
Visual Studio
Visual Studio Code
Zed
Claim KAT-Coder-Pro V2 and update features and information
Claim KAT-Coder-Pro V2 and update features and information
Claim Laguna XS.2 and update features and information
Claim Laguna XS.2 and update features and information