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Install Kai

An open-source AI assistant with persistent memory

Install with winget
winget install --id SimonSchubert.Kai
Upgrade
winget upgrade --id SimonSchubert.Kai
Uninstall
winget uninstall --id SimonSchubert.Kai

About Kai

An open-source AI assistant with persistent memory

What's new in 2.6.2

Features - Parse inline tool calls Fixes - Fix multiple service deletes in a row - Fix DeepSeek thinking-mode tool calls returning reasoning_content error - Improve fallback error handling Improvements - Improve model sorting - Update model catalog - Upgrade SDKs and LiteRT - Compose performance improvements - Internal code cleanup

Read release notes

Version history

Version Updated Notes
2.6.2 Features - Parse inline tool calls Fixes - Fix multiple service deletes in a row - Fix DeepSeek thinking-mode tool calls returning reasoning_content error - Improve fallback error handling Improvements - Improve model so...
2.6.1 Unknown Features - Collapsable reasoning content UI with cleaned-up handling across services Improvements - Improve UI performance - Add missing localizations - Upgrade dependencies - Internal code cleanup
2.6.0 Unknown Features - Allow user-installed certificates - Desktop AVX2+ CPU compatibility check Fixes - Fix MCP tools serializing array and object arguments as strings - Fix settings crash on Android 8.0 - Fix potential terminal sh...
2.5.1 Unknown Fixes - Fix terminal auto-scroll crash Improvements - Update model catalog - Add dynamic model endpoint for LongCat service - Add Ollama Gemma4 to no-tool model list - Support .gsc files and increase upload size limit to...
2.5.0 Unknown Features - Theme switcher and native desktop UI scale settings - Linux sandbox icon flash on shell execution Fixes - Fix DeepSeek tool execution - Fix sponsors display Improvements - Improve Ollama error handling - Compo...
2.4.1 Unknown Features - Persistent terminal sessions in conversations - Notification read integration Fixes - Fix Linux sandbox initialization - Fix Linux sandbox cd command Improvements - Show detailed package upgrade info in Linux...
2.4.0 Unknown Features - Linux sandbox file browser with file and folder actions - Linux sandbox package manager - Open files from the Linux sandbox - Themed icon support - Section selection dialog for exports Fixes - Fix markdown reg...
2.3.4 Unknown Fixes - Fix calendar event time zone issue - Fix conversation restore ANR - Fix iOS quick toggle hidden behind soft keyboard - Fix escape character handling Improvements - Add scheduled task details - Simplify memory, sc...
2.3.3 Unknown Features - Add SMS read and send support to FOSS build - Add iOS and desktop notifications support - Add Z.AI Coding Plan service Fixes - Fix out-of-memory crash - Fix crash when deleting models - Fix crash when download...
2.3.2 Unknown Fixes - Fix kai-ui rendering and restore issues Improvements - Make OLED dark mode opt-in - Improve heartbeat, email polling, and task scheduling reliability - Prevent incompatible models from being used in interactive c...
2.3.1 Unknown Features - Add LaTeX code block rendering Improvements - Pure black backgrounds in dark mode for OLED power savings - Improve fallback status UI - Add Mistral 3.5 models to catalog - Update Kimi model catalog (add K2.6,...
2.3.0 Unknown Features - Custom math formula rendering - Expandable and editable memories - Zoom and pan for attached images Fixes - Hide thinking section on chat restart Improvements - Add Alpine Linux package download mirrors - Puls...
2.2.1 Unknown Features - Add local Qwen 3 0.6B model Improvements - Upgrade LiteRT - Defensive desktop ProGuard rules
2.2.0 Unknown Features - Add custom markdown parser - Preserve previous Kai UI output and allow editing Improvements - Pulse animation on stop button - Add missing localizations - Add missing model info
2.1.5 Unknown Features - Add copy-to-clipboard button for code blocks Fixes - Filter out Gemini API responses marked as internal thoughts - Add size safeguards for PDF and image compression failures Improvements - Highlight currently...
2.1.4 Unknown Features - Add fast and expert mode toggles for free services - Add Windows menu entry - Enrich model catalog with arena scores, release dates, and context windows - Support multi-file upload for attachments - Enable sim...
2.1.2 Unknown Features - Add local model context configuration Fixes - Fix undo snackbars not executing after leaving screen Improvements - Improve filetype checks for file attachments
2.1.0 Unknown Features - Add support for local Gemma 4 via LiteRT - Add PublicAI, Fireworks, DeepInfra, and OpenCode services Improvements - Add missing localizations
2.0.3 Unknown Fixes - Fix Bouncycastle and Coil proguard rules on desktop Improvements - Simplify and improve chat input UI - Extract reusable UI components - Improve heartbeat error messages
2.0.2 Unknown Fixes - Fix toolbar vertical padding - Fix removeLast crash Improvements - Add custom JSON parser for more flexible and resilient UI parsing - Improve desktop release performance and reduce app size - Simplify UI spacing...